AZMET Hourly Weather Data : TUCSON : Dec 31 2025 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 51.8 41.2 67.0 0.4 0.0 0.00 56.3 59.2 0.7 2.5 0.4 300 2 52.5 40.3 63.0 0.5 0.0 0.00 55.9 59.2 1.1 3.4 0.9 78 3 50.5 40.3 68.0 0.4 0.0 0.00 55.6 59.2 0.9 3.6 0.4 26 4 48.6 39.7 72.0 0.3 0.0 0.00 55.0 59.4 0.7 2.9 0.4 315 5 47.8 39.7 73.0 0.3 0.0 0.00 54.7 59.4 0.0 1.6 0.0 206 6 47.5 39.4 74.0 0.3 0.0 0.00 54.1 59.4 1.1 4.3 0.9 86 7 47.3 39.7 75.0 0.3 0.0 0.00 53.8 59.2 0.7 3.8 0.7 56 8 48.9 40.6 73.0 0.3 0.5 0.00 53.4 59.2 0.7 3.1 0.4 78 9 51.4 41.5 68.0 0.4 1.9 0.00 53.4 59.2 1.3 4.7 1.3 64 10 55.6 41.8 60.0 0.6 5.3 0.00 53.6 59.2 0.9 3.4 0.7 133 11 59.0 41.2 52.0 0.8 8.8 0.00 54.0 59.2 1.3 3.6 1.1 80 12 62.6 42.1 47.0 1.0 16.0 0.00 54.5 59.2 1.8 5.4 1.6 60 13 65.8 40.6 39.0 1.3 17.9 0.00 55.4 59.0 3.4 6.0 3.1 102 14 66.2 40.9 40.0 1.3 6.9 0.00 56.3 59.0 1.3 5.4 1.1 112 15 64.6 43.2 46.0 1.1 3.6 0.00 56.7 59.0 0.7 2.7 0.4 12 16 63.0 46.1 54.0 0.9 3.1 0.00 57.0 59.0 0.2 2.2 0.2 221 17 62.8 44.0 50.0 1.0 1.4 0.00 57.0 59.0 2.5 5.1 2.2 76 18 64.4 38.1 38.0 1.3 0.0 0.00 57.0 58.8 3.4 5.6 3.1 116 19 62.6 41.5 46.0 1.0 0.0 0.00 56.8 58.8 2.7 5.4 2.2 89 20 61.0 45.1 56.0 0.8 0.0 0.00 56.8 58.8 3.6 6.5 3.4 104 21 58.3 50.3 74.0 0.4 0.0 0.01 56.7 58.8 2.2 5.1 1.3 125 22 57.0 52.5 85.0 0.2 0.0 0.02 56.7 58.8 2.5 5.1 1.3 90 23 57.7 52.3 83.0 0.3 0.0 0.00 56.5 58.8 4.7 9.2 4.3 88 24 58.3 52.1 80.0 0.3 0.0 0.00 56.5 58.8 4.5 7.6 4.5 107 AZMET Daily Weather Data : TUCSON : Dec 31 2025 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 66.6 46.2 56.8 DegF RELATIVE HUMIDITY 89.0 36.0 62.0 % DEWPOINT 43.5 DegF ACTUAL VAPOR PRESS. 1.0 KPas VAPOR PRESS. DEF. 0.7 KPas SOIL TEMP. 4 in 57.0 53.4 55.6 DegF SOIL TEMP. 20 in 59.4 58.8 59.0 DegF WIND SPEED 9.2 1.8 MPH WIND VECTOR MAG. 1.3 MPH WIND VECTOR DIR. 93 Degrees SOLAR RADIATION 65.3 Langleys PRECIPITATION 0.03 Inches AZMET REF. EVAPOTRANSPIRATION 0.01 Inches STD. REF. EVAPOTRANSPIRATION 0.04 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 4.0 6098 7.0 7612 11.4 9241 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2025 AZMET Hourly Weather Data : TUCSON : Jan 1 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 59.2 52.3 78.0 0.4 0.0 0.00 56.5 58.8 3.6 6.9 3.4 119 2 58.8 52.9 81.0 0.3 0.0 0.00 56.5 58.8 2.7 5.6 2.0 103 3 58.8 52.7 80.0 0.3 0.0 0.00 56.5 58.8 2.7 5.6 2.5 92 4 59.7 52.1 76.0 0.4 0.0 0.00 56.5 58.8 1.8 3.6 1.8 106 5 59.4 52.9 80.0 0.4 0.0 0.00 56.7 58.8 2.2 4.5 2.2 85 6 58.5 53.9 85.0 0.3 0.0 0.03 56.7 58.8 1.3 3.8 1.3 91 7 57.2 55.2 93.0 0.1 0.0 0.01 56.7 58.8 2.5 4.9 2.5 100 8 57.4 55.6 94.0 0.1 0.7 0.01 56.7 58.8 1.8 4.5 1.6 92 9 58.3 56.3 93.0 0.1 4.8 0.00 56.8 58.8 2.7 4.5 2.5 100 10 60.3 57.9 92.0 0.2 9.6 0.00 57.0 58.8 2.2 4.5 2.0 102 11 62.4 58.7 88.0 0.2 11.2 0.00 57.6 58.8 2.0 4.5 1.8 91 12 65.7 57.7 76.0 0.5 25.1 0.00 58.3 58.8 3.4 8.1 2.9 89 13 69.4 56.5 64.0 0.9 36.3 0.00 59.7 58.8 1.8 6.3 1.1 84 14 67.1 57.6 71.0 0.7 11.2 0.04 61.0 58.8 3.1 6.0 2.7 264 15 63.0 60.3 91.0 0.2 11.7 0.05 61.5 58.8 3.6 8.3 3.1 309 16 64.2 60.7 89.0 0.2 9.1 0.00 61.9 59.0 1.6 4.9 1.6 332 17 64.2 60.0 86.0 0.3 6.5 0.00 62.1 59.0 2.2 7.2 1.6 298 18 63.0 59.5 89.0 0.2 1.4 0.00 61.9 59.0 0.7 3.4 0.7 205 19 59.5 58.4 96.0 0.1 0.0 0.00 61.3 59.0 0.7 3.1 0.7 60 20 57.9 56.9 97.0 0.1 0.0 0.00 60.4 59.0 0.9 3.4 0.7 91 21 56.8 56.2 98.0 0.0 0.0 0.00 59.7 59.0 1.1 4.9 0.2 29 22 55.9 55.2 98.0 0.0 0.0 0.00 59.0 59.2 1.1 3.6 0.7 69 23 54.5 53.9 98.0 0.0 0.0 0.00 58.3 59.2 0.7 2.9 0.7 68 24 54.0 53.3 98.0 0.0 0.0 0.01 57.7 59.2 1.8 3.6 1.8 99 AZMET Daily Weather Data : TUCSON : Jan 1 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 70.7 53.6 60.3 DegF RELATIVE HUMIDITY 98.0 59.0 87.0 % DEWPOINT 56.3 DegF ACTUAL VAPOR PRESS. 1.6 KPas VAPOR PRESS. DEF. 0.3 KPas SOIL TEMP. 4 in 62.1 56.5 58.6 DegF SOIL TEMP. 20 in 59.2 58.8 59.0 DegF WIND SPEED 8.3 2.0 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 90 Degrees SOLAR RADIATION 127.9 Langleys PRECIPITATION 0.15 Inches AZMET REF. EVAPOTRANSPIRATION 0.02 Inches STD. REF. EVAPOTRANSPIRATION 0.04 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.3 7 12.2 12 17.2 17 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 2 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 53.8 53.3 98.0 0.0 0.0 0.00 57.2 59.4 1.8 4.5 1.8 79 2 53.8 53.1 98.0 0.0 0.0 0.00 56.8 59.4 0.4 2.2 0.4 62 3 54.1 53.7 98.0 0.0 0.0 0.00 56.7 59.4 1.3 3.6 1.1 83 4 52.3 51.7 98.0 0.0 0.0 0.00 56.3 59.4 0.0 2.0 0.0 205 5 50.9 50.3 98.0 0.0 0.0 0.00 55.9 59.4 0.9 3.6 0.9 76 6 49.6 49.1 98.0 0.0 0.0 0.00 55.4 59.4 0.2 2.5 0.2 173 7 50.5 50.3 98.0 0.0 0.0 0.00 54.9 59.4 1.6 3.4 1.3 90 8 51.1 50.7 98.0 0.0 2.9 0.00 54.7 59.4 2.0 4.0 2.0 98 9 54.0 52.1 94.0 0.1 10.8 0.00 54.5 59.4 2.2 5.8 2.2 102 10 56.3 52.1 86.0 0.2 15.1 0.00 54.9 59.4 3.1 6.3 2.9 100 11 62.4 53.5 73.0 0.5 37.8 0.00 55.8 59.4 2.2 5.8 1.6 124 12 66.0 53.3 64.0 0.8 46.9 0.00 57.6 59.4 2.5 6.7 0.7 131 13 67.8 51.9 57.0 1.0 48.8 0.00 59.7 59.4 2.5 7.8 2.0 253 14 68.9 51.1 53.0 1.1 46.1 0.00 61.7 59.2 4.7 9.8 4.0 285 15 69.4 50.5 51.0 1.2 38.2 0.00 63.1 59.2 5.4 10.1 4.7 286 16 70.0 49.8 49.0 1.3 26.1 0.00 64.0 59.2 4.7 8.5 4.5 301 17 68.4 50.5 53.0 1.1 9.8 0.00 64.2 59.2 4.3 7.6 4.3 287 18 64.8 51.3 62.0 0.8 1.7 0.00 63.5 59.2 3.6 7.4 3.4 280 19 61.0 51.5 71.0 0.5 0.0 0.00 62.6 59.2 0.9 3.6 0.9 304 20 57.6 51.7 81.0 0.3 0.0 0.00 61.5 59.4 0.9 2.9 0.7 73 21 55.0 51.3 87.0 0.2 0.0 0.00 60.4 59.4 0.7 3.4 0.7 72 22 53.1 50.0 90.0 0.2 0.0 0.00 59.4 59.4 1.3 3.6 1.3 76 23 51.1 48.7 92.0 0.1 0.0 0.00 58.5 59.4 0.2 2.9 0.2 40 24 49.6 47.5 93.0 0.1 0.0 0.00 57.6 59.5 1.1 3.8 1.1 87 AZMET Daily Weather Data : TUCSON : Jan 2 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 71.1 48.7 57.9 DegF RELATIVE HUMIDITY 99.0 45.0 81.0 % DEWPOINT 51.3 DegF ACTUAL VAPOR PRESS. 1.3 KPas VAPOR PRESS. DEF. 0.4 KPas SOIL TEMP. 4 in 64.2 54.5 58.6 DegF SOIL TEMP. 20 in 59.5 59.2 59.4 DegF WIND SPEED 10.1 2.0 MPH WIND VECTOR MAG. 0.2 MPH WIND VECTOR DIR. 320 Degrees SOLAR RADIATION 283.9 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.08 Inches STD. REF. EVAPOTRANSPIRATION 0.06 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 6.4 14 10.0 22 14.9 32 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 3 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 49.5 46.8 91.0 0.1 0.0 0.00 56.8 59.5 2.5 3.8 2.5 88 2 48.9 46.6 91.0 0.1 0.0 0.00 56.1 59.5 0.7 2.9 0.7 99 3 46.6 45.3 95.0 0.1 0.0 0.00 55.6 59.5 0.4 2.2 0.4 50 4 45.9 44.5 96.0 0.1 0.0 0.00 54.9 59.7 0.9 2.9 0.9 73 5 44.4 43.5 96.0 0.0 0.0 0.00 54.1 59.7 0.7 2.7 0.7 67 6 43.5 42.6 96.0 0.0 0.0 0.00 53.6 59.7 1.1 3.6 1.1 64 7 42.3 41.2 96.0 0.0 0.0 0.00 53.1 59.5 0.2 2.0 0.2 211 8 42.4 41.5 97.0 0.0 2.9 0.00 52.5 59.5 1.1 3.1 0.9 89 9 48.4 44.8 87.0 0.2 16.7 0.00 52.0 59.5 2.0 3.6 2.0 95 10 56.8 47.3 70.0 0.5 28.4 0.00 52.3 59.5 2.5 7.6 2.0 97 11 61.2 46.8 59.0 0.8 39.0 0.00 53.4 59.5 3.8 7.8 3.4 100 12 66.2 46.8 49.0 1.1 46.6 0.00 55.4 59.4 4.7 8.5 4.3 122 13 69.3 44.0 40.0 1.5 49.2 0.00 57.4 59.4 4.7 10.3 4.3 103 14 72.9 42.4 34.0 1.8 46.1 0.00 59.4 59.4 3.6 10.1 2.5 100 15 73.4 42.4 33.0 1.9 28.2 0.00 61.0 59.2 2.0 5.6 0.4 97 16 71.4 43.5 37.0 1.7 15.1 0.00 61.7 59.2 2.9 5.1 2.7 307 17 68.7 45.3 43.0 1.4 7.4 0.00 61.7 59.2 4.9 9.8 4.9 312 18 65.1 47.3 53.0 1.0 1.7 0.00 61.3 59.2 6.7 11.4 6.5 296 19 62.2 49.1 62.0 0.7 0.0 0.00 60.6 59.2 4.9 8.9 4.7 296 20 60.8 49.1 65.0 0.6 0.0 0.00 59.9 59.2 5.1 8.9 4.9 281 21 58.8 49.4 71.0 0.5 0.0 0.00 59.4 59.2 0.7 3.6 0.2 349 22 56.3 50.3 81.0 0.3 0.0 0.00 58.8 59.2 1.3 4.3 1.1 71 23 55.4 50.3 83.0 0.3 0.0 0.00 58.3 59.2 0.4 2.2 0.4 83 24 55.9 49.8 80.0 0.3 0.0 0.00 57.7 59.2 1.6 4.5 1.6 100 AZMET Daily Weather Data : TUCSON : Jan 3 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 75.0 41.4 57.0 DegF RELATIVE HUMIDITY 97.0 30.0 71.0 % DEWPOINT 46.1 DegF ACTUAL VAPOR PRESS. 1.1 KPas VAPOR PRESS. DEF. 0.6 KPas SOIL TEMP. 4 in 61.7 52.0 57.0 DegF SOIL TEMP. 20 in 59.7 59.2 59.4 DegF WIND SPEED 11.4 2.5 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 41 Degrees SOLAR RADIATION 281.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.09 Inches STD. REF. EVAPOTRANSPIRATION 0.07 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.0 21 10.0 32 13.6 46 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 4 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 55.2 49.6 81.0 0.3 0.0 0.00 57.4 59.4 1.8 4.3 1.6 91 2 53.4 49.1 86.0 0.2 0.0 0.00 57.0 59.4 1.6 3.8 1.6 74 3 53.1 48.9 86.0 0.2 0.0 0.00 56.5 59.4 2.9 4.3 2.7 94 4 52.7 48.7 86.0 0.2 0.0 0.00 56.1 59.4 2.0 3.6 1.3 95 5 51.4 48.5 90.0 0.1 0.0 0.00 55.8 59.4 0.7 3.1 0.4 312 6 50.5 48.2 92.0 0.1 0.0 0.00 55.4 59.4 1.6 3.6 1.3 82 7 50.0 47.8 92.0 0.1 0.0 0.00 55.0 59.4 0.9 2.9 0.7 87 8 49.6 47.8 93.0 0.1 0.7 0.00 54.9 59.4 0.4 2.2 0.4 70 9 50.7 48.2 91.0 0.1 6.2 0.00 54.5 59.4 1.3 4.3 1.3 81 10 54.9 49.1 81.0 0.3 16.7 0.00 54.7 59.4 2.5 5.6 2.5 100 11 59.2 48.0 67.0 0.6 22.5 0.00 55.4 59.4 2.5 4.9 2.2 106 12 60.6 48.5 64.0 0.6 26.1 0.00 56.3 59.4 3.6 6.5 3.4 113 13 63.3 48.0 58.0 0.8 33.7 0.00 57.4 59.2 3.8 7.2 3.6 119 14 66.2 47.3 50.0 1.1 33.7 0.00 58.6 59.2 2.7 7.2 2.0 164 15 68.4 47.3 47.0 1.3 26.3 0.00 59.7 59.2 0.9 6.0 0.7 247 16 71.6 47.3 42.0 1.5 21.8 0.00 60.6 59.2 0.7 2.9 0.4 352 17 72.3 45.3 38.0 1.7 11.5 0.00 61.0 59.2 0.0 1.8 0.0 67 18 65.8 48.5 54.0 1.0 1.4 0.00 60.8 59.2 0.0 0.0 0.0 0 19 57.9 50.3 76.0 0.4 0.0 0.00 59.9 59.2 0.7 2.9 0.4 84 20 55.0 49.6 82.0 0.3 0.0 0.00 59.2 59.2 1.3 3.8 1.3 60 21 53.1 48.9 86.0 0.2 0.0 0.00 58.3 59.2 1.8 5.6 1.8 78 22 52.2 47.8 86.0 0.2 0.0 0.00 57.6 59.2 2.0 4.7 2.0 84 23 51.3 47.1 85.0 0.2 0.0 0.00 56.8 59.2 2.5 4.3 2.5 92 24 50.0 46.3 88.0 0.2 0.0 0.00 56.3 59.4 1.3 3.8 1.3 79 AZMET Daily Weather Data : TUCSON : Jan 4 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 74.1 48.9 57.0 DegF RELATIVE HUMIDITY 94.0 34.0 75.0 % DEWPOINT 48.2 DegF ACTUAL VAPOR PRESS. 1.2 KPas VAPOR PRESS. DEF. 0.5 KPas SOIL TEMP. 4 in 61.0 54.5 57.4 DegF SOIL TEMP. 20 in 59.4 59.2 59.4 DegF WIND SPEED 7.2 1.6 MPH WIND VECTOR MAG. 1.3 MPH WIND VECTOR DIR. 96 Degrees SOLAR RADIATION 200.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.05 Inches STD. REF. EVAPOTRANSPIRATION 0.06 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.8 29 11.7 44 16.5 62 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 5 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 48.6 46.1 91.0 0.1 0.0 0.00 55.6 59.4 1.8 4.0 1.8 88 2 48.0 45.3 91.0 0.1 0.0 0.00 55.0 59.4 2.0 5.8 1.8 82 3 46.4 44.3 93.0 0.1 0.0 0.00 54.3 59.4 2.0 4.3 1.8 74 4 45.1 43.5 94.0 0.1 0.0 0.00 53.8 59.4 2.0 3.4 2.0 82 5 43.7 42.1 95.0 0.1 0.0 0.00 53.2 59.4 1.6 4.9 1.6 69 6 43.5 42.1 95.0 0.1 0.0 0.00 52.7 59.4 0.4 4.0 0.4 88 7 43.5 42.1 95.0 0.1 0.0 0.00 52.3 59.4 2.0 4.0 1.8 95 8 43.3 41.8 94.0 0.1 1.4 0.00 51.8 59.2 0.7 3.8 0.7 71 9 45.1 42.6 90.0 0.1 7.2 0.00 51.6 59.2 1.8 4.3 1.8 87 10 51.8 45.1 78.0 0.3 25.6 0.00 51.6 59.2 4.3 8.9 4.0 113 11 59.0 45.6 61.0 0.7 40.2 0.00 52.7 59.2 3.8 8.1 3.4 128 12 63.5 47.5 56.0 0.9 44.5 0.00 54.7 59.0 2.2 5.6 1.3 178 13 65.7 46.6 50.0 1.1 48.3 0.00 56.7 59.0 2.5 7.6 1.6 273 14 66.9 43.7 43.0 1.3 46.6 0.00 58.6 59.0 4.0 8.3 3.1 269 15 67.6 43.2 41.0 1.4 40.6 0.00 60.3 58.8 4.3 10.5 3.6 289 16 67.5 44.0 43.0 1.3 27.7 0.00 61.3 58.8 4.5 10.3 3.8 297 17 65.1 44.8 48.0 1.1 9.6 0.00 61.5 58.8 4.0 7.4 4.0 303 18 61.9 43.5 51.0 0.9 1.0 0.00 61.0 58.8 3.4 7.4 3.4 305 19 59.5 44.3 57.0 0.8 0.0 0.00 60.1 58.8 2.9 6.5 2.9 298 20 56.8 45.6 66.0 0.5 0.0 0.00 59.2 58.8 3.8 6.7 3.6 246 21 54.5 45.6 72.0 0.4 0.0 0.00 58.3 58.8 2.2 5.8 0.4 2 22 50.9 44.5 79.0 0.3 0.0 0.00 57.4 58.8 1.6 4.3 1.3 47 23 48.7 43.7 83.0 0.2 0.0 0.00 56.7 58.8 1.8 3.4 1.8 82 24 47.7 42.9 83.0 0.2 0.0 0.00 55.8 59.0 1.3 3.1 1.3 65 AZMET Daily Weather Data : TUCSON : Jan 5 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 70.0 42.8 54.0 DegF RELATIVE HUMIDITY 96.0 35.0 73.0 % DEWPOINT 44.3 DegF ACTUAL VAPOR PRESS. 1.0 KPas VAPOR PRESS. DEF. 0.5 KPas SOIL TEMP. 4 in 61.5 51.6 56.1 DegF SOIL TEMP. 20 in 59.4 58.8 59.0 DegF WIND SPEED 10.5 2.5 MPH WIND VECTOR MAG. 0.2 MPH WIND VECTOR DIR. 6 Degrees SOLAR RADIATION 292.5 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.08 Inches STD. REF. EVAPOTRANSPIRATION 0.07 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 5.0 34 8.1 52 11.7 74 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 6 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 46.2 42.6 87.0 0.1 0.0 0.00 55.0 59.0 2.0 4.3 2.0 92 2 45.3 42.4 89.0 0.1 0.0 0.00 54.3 59.0 2.7 4.3 2.5 72 3 45.0 42.1 90.0 0.1 0.0 0.00 53.8 59.0 2.2 4.7 2.0 90 4 43.0 40.9 92.0 0.1 0.0 0.00 53.2 59.0 0.7 2.9 0.7 60 5 42.3 40.6 94.0 0.1 0.0 0.00 52.7 59.0 0.7 2.9 0.7 78 6 42.1 40.3 94.0 0.1 0.0 0.00 52.2 59.0 1.3 3.6 1.3 76 7 41.0 39.4 94.0 0.1 0.0 0.00 51.6 59.0 0.0 1.6 0.0 66 8 40.6 39.1 94.0 0.1 1.0 0.00 51.1 59.0 0.9 3.6 0.9 80 9 44.1 40.9 88.0 0.1 11.2 0.00 50.7 59.0 2.0 4.7 2.0 87 10 52.2 42.4 70.0 0.4 25.6 0.00 50.9 58.8 2.7 6.9 2.5 117 11 56.8 42.6 59.0 0.6 32.7 0.00 51.8 58.8 3.8 6.3 3.6 118 12 63.7 42.9 47.0 1.1 52.1 0.00 53.4 58.8 2.5 5.8 1.8 151 13 67.3 41.2 39.0 1.4 46.6 0.00 55.8 58.6 2.7 6.3 2.0 127 14 69.8 38.1 31.0 1.7 42.3 0.00 57.7 58.6 2.2 9.6 1.3 222 15 69.6 31.1 24.0 1.9 28.4 0.00 59.2 58.6 2.7 6.9 2.2 209 16 68.7 32.4 26.0 1.8 18.4 0.00 59.9 58.5 2.9 5.6 2.7 273 17 66.0 38.5 36.0 1.4 7.4 0.00 59.9 58.5 3.1 6.3 2.9 310 18 62.2 41.2 46.0 1.0 1.2 0.00 59.5 58.5 2.9 5.1 2.7 308 19 58.3 42.6 56.0 0.7 0.0 0.00 58.8 58.5 1.1 4.3 1.1 313 20 54.0 43.2 67.0 0.5 0.0 0.00 57.7 58.5 0.2 1.8 0.0 6 21 53.6 43.7 69.0 0.4 0.0 0.00 57.0 58.5 0.4 2.7 0.2 185 22 52.9 44.3 72.0 0.4 0.0 0.00 56.5 58.5 2.0 4.5 1.8 82 23 50.4 42.6 75.0 0.3 0.0 0.00 55.8 58.5 0.9 4.3 0.9 78 24 47.7 42.9 83.0 0.2 0.0 0.00 55.0 58.6 0.9 3.6 0.9 63 AZMET Daily Weather Data : TUCSON : Jan 6 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 71.2 39.9 53.4 DegF RELATIVE HUMIDITY 95.0 21.0 68.0 % DEWPOINT 40.9 DegF ACTUAL VAPOR PRESS. 0.9 KPas VAPOR PRESS. DEF. 0.6 KPas SOIL TEMP. 4 in 59.9 50.7 55.2 DegF SOIL TEMP. 20 in 59.0 58.5 58.8 DegF WIND SPEED 9.6 1.8 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 97 Degrees SOLAR RADIATION 267.0 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.07 Inches STD. REF. EVAPOTRANSPIRATION 0.06 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 5.3 39 8.1 60 11.5 85 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 7 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 47.3 42.6 83.0 0.2 0.0 0.00 54.5 58.6 2.7 4.5 2.5 87 2 47.5 42.1 82.0 0.2 0.0 0.00 54.0 58.6 3.4 5.4 3.4 85 3 48.4 42.1 78.0 0.3 0.0 0.00 53.6 58.6 2.7 4.9 2.5 111 4 48.7 42.4 78.0 0.3 0.0 0.00 53.4 58.6 1.3 3.8 1.3 84 5 48.6 42.6 80.0 0.2 0.0 0.00 53.2 58.6 1.3 3.4 1.3 90 6 48.9 43.2 80.0 0.2 0.0 0.00 53.1 58.6 1.6 3.6 1.6 96 7 49.3 43.2 80.0 0.2 0.0 0.00 53.1 58.6 2.2 4.9 2.2 91 8 50.2 42.4 75.0 0.3 0.2 0.00 52.9 58.6 2.2 9.6 0.9 112 9 50.4 43.7 78.0 0.3 1.4 0.00 52.9 58.5 1.8 4.7 0.4 276 10 50.4 46.3 86.0 0.2 4.1 0.02 53.1 58.5 1.6 4.3 1.3 76 11 50.4 46.8 88.0 0.2 5.5 0.03 53.2 58.5 3.4 5.4 3.1 87 12 50.7 47.5 89.0 0.2 4.8 0.04 53.4 58.5 1.8 4.3 0.4 191 13 50.2 48.2 93.0 0.1 4.1 0.09 53.6 58.5 1.6 4.3 1.6 327 14 50.0 48.2 94.0 0.1 4.1 0.10 53.8 58.3 1.1 3.6 1.1 291 15 50.2 48.9 95.0 0.1 3.8 0.09 53.8 58.3 1.3 4.9 0.2 272 16 50.4 48.7 94.0 0.1 2.6 0.04 54.0 58.3 3.1 8.1 2.9 122 17 50.2 48.7 94.0 0.1 1.2 0.05 54.0 58.3 2.5 5.6 1.3 259 18 50.0 48.7 96.0 0.1 0.2 0.10 53.8 58.3 2.7 5.8 2.5 290 19 50.0 48.9 96.0 0.1 0.0 0.05 53.6 58.1 1.8 5.6 1.8 308 20 50.0 49.1 96.0 0.0 0.0 0.00 53.6 58.1 0.4 2.5 0.4 73 21 49.6 48.7 96.0 0.1 0.0 0.00 53.4 58.1 1.1 4.0 1.1 96 22 49.3 48.2 97.0 0.0 0.0 0.00 53.2 58.1 1.6 4.9 1.1 276 23 49.6 48.7 97.0 0.0 0.0 0.00 53.1 58.1 0.4 2.7 0.2 91 24 49.6 48.7 97.0 0.0 0.0 0.00 53.1 58.1 0.0 1.6 0.0 144 AZMET Daily Weather Data : TUCSON : Jan 7 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 51.1 46.4 49.6 DegF RELATIVE HUMIDITY 97.0 72.0 89.0 % DEWPOINT 46.3 DegF ACTUAL VAPOR PRESS. 1.1 KPas VAPOR PRESS. DEF. 0.1 KPas SOIL TEMP. 4 in 55.0 52.9 53.4 DegF SOIL TEMP. 20 in 58.6 58.1 58.5 DegF WIND SPEED 9.6 1.8 MPH WIND VECTOR MAG. 0.7 MPH WIND VECTOR DIR. 86 Degrees SOLAR RADIATION 32.0 Langleys PRECIPITATION 0.61 Inches AZMET REF. EVAPOTRANSPIRATION 0.00 Inches STD. REF. EVAPOTRANSPIRATION 0.01 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 0.0 39 0.2 60 3.7 89 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 8 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 49.8 48.9 97.0 0.0 0.0 0.06 53.1 58.1 0.4 2.2 0.4 52 2 49.5 48.5 97.0 0.0 0.0 0.00 53.1 58.1 1.8 3.6 1.8 75 3 49.3 48.2 96.0 0.1 0.0 0.00 52.9 57.9 0.4 4.3 0.2 286 4 49.3 48.2 96.0 0.1 0.0 0.01 52.9 57.9 0.2 2.2 0.2 290 5 48.9 47.5 96.0 0.1 0.0 0.00 52.9 57.9 0.0 1.8 0.0 319 6 48.7 47.3 95.0 0.1 0.0 0.00 52.9 57.9 1.1 4.3 0.9 98 7 48.9 47.3 94.0 0.1 0.0 0.00 52.7 57.9 1.1 3.1 1.1 95 8 49.1 47.3 94.0 0.1 0.5 0.00 52.7 57.9 0.9 3.6 0.9 89 9 49.8 48.2 94.0 0.1 6.5 0.00 52.7 57.9 1.6 4.5 1.6 90 10 51.6 47.5 86.0 0.2 15.1 0.00 52.9 57.7 4.9 8.3 4.9 100 11 53.8 46.8 77.0 0.3 20.6 0.00 53.4 57.7 3.8 6.9 3.6 87 12 56.3 47.1 71.0 0.5 26.5 0.00 54.1 57.7 3.6 9.6 2.9 74 13 58.6 43.7 57.0 0.7 22.5 0.00 55.4 57.7 6.3 14.8 3.6 261 14 58.8 41.8 53.0 0.8 23.7 0.00 56.1 57.7 8.5 15.0 7.8 248 15 59.0 39.7 49.0 0.9 18.4 0.00 56.5 57.7 11.2 19.0 10.7 245 16 59.2 40.0 49.0 0.9 26.3 0.00 56.8 57.7 11.9 21.5 11.4 257 17 57.7 39.4 51.0 0.8 6.9 0.00 56.8 57.7 12.8 23.7 12.3 261 18 50.4 43.5 78.0 0.3 1.2 0.04 56.7 57.7 10.5 21.9 9.6 313 19 48.4 45.3 90.0 0.1 0.0 0.01 55.9 57.7 4.7 12.5 4.5 300 20 48.6 44.0 84.0 0.2 0.0 0.00 55.4 57.7 3.6 7.6 3.4 299 21 48.6 44.0 84.0 0.2 0.0 0.00 54.9 57.7 4.5 7.2 4.3 276 22 48.6 43.5 83.0 0.2 0.0 0.00 54.3 57.7 4.3 7.4 4.3 248 23 48.4 42.9 81.0 0.2 0.0 0.00 54.0 57.7 2.5 4.5 2.2 275 24 46.0 41.5 85.0 0.2 0.0 0.00 53.6 57.7 0.4 2.0 0.4 259 AZMET Daily Weather Data : TUCSON : Jan 8 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 61.0 43.7 51.6 DegF RELATIVE HUMIDITY 97.0 42.0 81.0 % DEWPOINT 45.3 DegF ACTUAL VAPOR PRESS. 1.0 KPas VAPOR PRESS. DEF. 0.3 KPas SOIL TEMP. 4 in 57.0 52.7 54.3 DegF SOIL TEMP. 20 in 58.1 57.7 57.7 DegF WIND SPEED 23.7 4.3 MPH WIND VECTOR MAG. 2.2 MPH WIND VECTOR DIR. 267 Degrees SOLAR RADIATION 168.0 Langleys PRECIPITATION 0.12 Inches AZMET REF. EVAPOTRANSPIRATION 0.05 Inches STD. REF. EVAPOTRANSPIRATION 0.05 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 1.6 40 4.1 64 7.4 97 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 9 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 43.0 40.9 93.0 0.1 0.0 0.00 53.1 57.7 0.2 2.2 0.2 204 2 41.7 40.0 93.0 0.1 0.0 0.00 52.2 57.7 0.4 3.1 0.4 27 3 39.7 38.5 95.0 0.0 0.0 0.00 51.4 57.7 0.7 3.1 0.7 69 4 38.3 37.1 95.0 0.0 0.0 0.00 50.7 57.7 0.4 2.9 0.4 81 5 36.3 35.4 96.0 0.0 0.0 0.00 50.0 57.7 0.0 0.0 0.0 0 6 35.4 34.7 96.0 0.0 0.0 0.00 49.5 57.7 0.0 1.8 0.0 62 7 35.2 34.3 96.0 0.0 0.0 0.00 48.7 57.7 0.9 3.4 0.4 136 8 35.2 33.5 94.0 0.0 2.6 0.00 48.0 57.7 1.3 4.3 1.1 72 9 40.8 35.0 80.0 0.2 17.0 0.00 47.7 57.6 0.7 4.7 0.2 337 10 44.8 32.0 61.0 0.4 29.2 0.00 47.7 57.6 4.7 7.8 4.5 295 11 47.1 30.3 52.0 0.5 39.7 0.00 48.7 57.6 6.0 11.0 5.6 297 12 48.4 30.7 51.0 0.6 47.6 0.00 50.4 57.4 7.2 13.4 6.7 279 13 49.8 31.6 50.0 0.6 50.4 0.00 52.2 57.4 8.3 13.9 7.8 283 14 51.1 31.6 47.0 0.7 48.5 0.00 54.0 57.4 7.8 12.8 7.4 281 15 51.6 31.6 46.0 0.7 37.3 0.00 55.4 57.2 6.0 11.2 5.6 285 16 52.5 32.0 45.0 0.7 28.9 0.00 56.1 57.2 5.6 10.7 5.4 264 17 52.5 32.0 46.0 0.7 14.8 0.00 56.5 57.0 8.1 15.7 7.6 276 18 51.1 25.6 37.0 0.8 2.4 0.00 55.8 57.0 5.1 11.0 4.5 327 19 48.9 22.4 34.0 0.8 0.0 0.00 54.7 57.0 4.3 9.4 3.8 342 20 43.7 29.4 57.0 0.4 0.0 0.00 53.6 57.0 1.3 4.7 0.9 59 21 40.1 32.4 74.0 0.2 0.0 0.00 52.5 57.0 1.1 3.1 0.9 71 22 38.1 32.4 80.0 0.2 0.0 0.00 51.4 57.0 1.1 4.0 0.9 84 23 35.4 32.0 86.0 0.1 0.0 0.00 50.5 57.0 0.0 2.2 0.0 59 24 34.2 31.1 89.0 0.1 0.0 0.00 49.6 57.0 0.9 3.6 0.9 77 AZMET Daily Weather Data : TUCSON : Jan 9 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 53.2 33.4 43.2 DegF RELATIVE HUMIDITY 97.0 31.0 71.0 % DEWPOINT 33.2 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 0.3 KPas SOIL TEMP. 4 in 56.5 47.5 51.8 DegF SOIL TEMP. 20 in 57.7 57.0 57.4 DegF WIND SPEED 15.7 2.9 MPH WIND VECTOR MAG. 2.0 MPH WIND VECTOR DIR. 293 Degrees SOLAR RADIATION 318.6 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.09 Inches STD. REF. EVAPOTRANSPIRATION 0.05 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 0.0 40 0.5 65 2.4 99 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 10 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 33.3 30.3 90.0 0.1 0.0 0.00 48.7 57.0 0.7 3.4 0.7 88 2 32.0 29.9 91.0 0.1 0.0 0.00 48.0 57.0 0.7 2.9 0.4 73 3 30.9 29.0 92.0 0.1 0.0 0.00 47.5 57.0 0.2 2.7 0.2 64 4 30.4 28.0 92.0 0.1 0.0 0.00 46.8 57.0 0.4 2.9 0.4 94 5 29.7 27.6 92.0 0.1 0.0 0.00 46.2 57.0 0.9 3.6 0.7 82 6 29.3 27.1 91.0 0.1 0.0 0.00 45.7 56.8 1.6 6.3 0.2 291 7 31.5 26.1 80.0 0.1 0.0 0.00 45.1 56.8 2.5 7.2 2.0 275 8 34.5 24.6 66.0 0.2 2.2 0.00 44.6 56.8 3.1 9.6 1.6 290 9 39.6 24.0 53.0 0.4 16.0 0.00 44.2 56.7 4.5 9.8 3.6 281 10 45.3 24.6 43.0 0.6 28.7 0.00 44.2 56.7 5.1 13.6 3.1 309 11 51.1 22.4 33.0 0.9 40.6 0.00 45.5 56.5 7.2 24.2 4.5 27 12 55.8 19.3 24.0 1.2 49.0 0.00 47.1 56.5 13.0 25.5 12.1 72 13 56.8 21.8 25.0 1.2 51.9 0.00 48.9 56.3 6.7 16.8 3.8 22 14 58.3 21.8 24.0 1.3 49.2 0.00 50.7 56.3 6.9 21.9 3.8 329 15 58.8 21.8 24.0 1.3 41.6 0.00 52.5 56.1 5.1 16.8 1.6 334 16 59.5 18.0 20.0 1.4 30.4 0.00 53.6 56.1 10.5 18.3 9.8 87 17 58.6 20.6 23.0 1.3 15.3 0.00 53.8 55.9 6.9 14.8 6.5 87 18 56.1 21.8 26.0 1.1 2.4 0.00 53.2 55.9 4.0 17.2 3.4 97 19 53.2 18.7 26.0 1.0 0.0 0.00 52.5 55.9 10.1 16.3 9.6 80 20 52.9 17.3 24.0 1.0 0.0 0.00 51.4 55.8 4.7 12.1 4.0 86 21 52.7 17.3 24.0 1.0 0.0 0.00 50.5 55.8 4.7 13.4 4.0 87 22 54.0 15.1 21.0 1.1 0.0 0.00 49.8 55.8 9.8 21.0 8.9 95 23 55.9 11.9 17.0 1.3 0.0 0.00 49.3 55.8 12.3 24.2 11.4 84 24 55.9 7.1 14.0 1.3 0.0 0.00 48.7 55.8 8.5 23.0 7.8 99 AZMET Daily Weather Data : TUCSON : Jan 10 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 60.8 28.6 46.6 DegF RELATIVE HUMIDITY 93.0 11.0 46.0 % DEWPOINT 22.4 DegF ACTUAL VAPOR PRESS. 0.4 KPas VAPOR PRESS. DEF. 0.8 KPas SOIL TEMP. 4 in 53.8 44.2 48.7 DegF SOIL TEMP. 20 in 57.0 55.8 56.5 DegF WIND SPEED 25.5 5.4 MPH WIND VECTOR MAG. 3.1 MPH WIND VECTOR DIR. 73 Degrees SOLAR RADIATION 327.4 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 1.1 42 2.8 68 5.0 104 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 11 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 54.5 6.1 14.0 1.3 0.0 0.00 48.4 55.8 11.4 23.5 10.5 103 2 52.3 8.2 17.0 1.1 0.0 0.00 47.8 55.8 16.6 28.2 15.9 120 3 52.3 8.2 16.0 1.1 0.0 0.00 47.5 55.8 15.4 26.4 14.8 105 4 52.5 7.1 15.0 1.1 0.0 0.00 46.9 55.8 13.0 21.7 12.5 106 5 52.5 7.1 15.0 1.1 0.0 0.00 46.6 55.8 11.9 20.8 11.4 102 6 52.0 7.1 16.0 1.1 0.0 0.00 46.4 55.8 14.3 24.8 13.9 103 7 51.4 8.2 17.0 1.1 0.0 0.00 46.0 55.8 13.9 24.4 13.4 107 8 51.8 8.2 17.0 1.1 1.2 0.00 45.7 55.6 11.6 21.0 11.2 102 9 54.0 8.2 16.0 1.2 14.3 0.00 45.5 55.6 13.0 24.6 12.5 99 10 56.8 9.1 15.0 1.4 28.9 0.00 45.9 55.6 13.2 26.6 12.8 105 11 58.5 11.0 15.0 1.4 40.6 0.00 46.6 55.4 14.5 26.4 13.9 104 12 60.8 12.7 15.0 1.6 48.5 0.00 47.8 55.4 13.4 21.3 12.8 104 13 62.1 15.1 16.0 1.6 52.1 0.00 49.5 55.4 13.6 22.6 13.2 106 14 63.3 16.6 16.0 1.7 49.2 0.00 51.1 55.2 13.0 19.7 12.3 103 15 63.9 18.0 17.0 1.7 41.6 0.00 52.3 55.2 12.1 20.8 11.6 100 16 63.3 17.3 16.0 1.7 30.1 0.00 53.2 55.2 12.5 23.7 12.1 96 17 61.9 15.9 17.0 1.6 15.8 0.00 53.6 55.2 13.4 21.0 12.8 98 18 59.5 15.1 17.0 1.4 2.9 0.00 53.2 55.0 13.6 23.7 13.0 101 19 58.6 13.5 16.0 1.4 0.0 0.00 52.5 55.0 13.2 22.6 12.8 101 20 57.9 12.7 16.0 1.4 0.0 0.00 51.8 55.0 11.6 21.7 11.2 101 21 57.0 14.3 18.0 1.3 0.0 0.00 51.1 55.0 7.8 14.8 7.6 105 22 56.5 14.3 18.0 1.3 0.0 0.00 50.5 55.0 9.4 16.8 9.2 108 23 56.8 13.5 18.0 1.3 0.0 0.00 50.0 55.0 11.2 17.2 10.7 108 24 56.5 12.7 18.0 1.3 0.0 0.00 49.6 55.2 11.6 20.4 11.4 112 AZMET Daily Weather Data : TUCSON : Jan 11 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 64.6 50.7 57.0 DegF RELATIVE HUMIDITY 20.0 10.0 16.0 % DEWPOINT 11.9 DegF ACTUAL VAPOR PRESS. 0.3 KPas VAPOR PRESS. DEF. 1.3 KPas SOIL TEMP. 4 in 53.6 45.5 49.1 DegF SOIL TEMP. 20 in 55.8 55.0 55.4 DegF WIND SPEED 28.2 12.8 MPH WIND VECTOR MAG. 12.1 MPH WIND VECTOR DIR. 104 Degrees SOLAR RADIATION 325.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.21 Inches STD. REF. EVAPOTRANSPIRATION 0.22 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 3.7 45 7.7 75 12.7 117 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 12 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 55.6 11.9 17.0 1.3 0.0 0.00 49.1 55.2 11.0 20.8 10.5 118 2 55.2 10.1 16.0 1.3 0.0 0.00 48.7 55.2 10.3 18.8 10.1 123 3 55.6 10.1 16.0 1.3 0.0 0.00 48.4 55.2 11.9 21.3 11.4 112 4 55.2 10.1 16.0 1.3 0.0 0.00 48.2 55.2 9.2 18.6 8.9 126 5 54.5 11.9 18.0 1.2 0.0 0.00 47.8 55.2 7.2 19.0 5.6 118 6 46.0 20.6 36.0 0.7 0.0 0.00 47.5 55.2 2.7 6.0 1.8 294 7 41.2 24.0 50.0 0.4 0.0 0.00 47.1 55.2 1.1 6.9 0.7 312 8 40.5 24.0 52.0 0.4 1.7 0.00 46.6 55.0 0.7 2.9 0.4 278 9 48.4 24.6 39.0 0.7 13.9 0.00 46.0 55.0 1.3 11.0 0.4 357 10 58.8 15.1 18.0 1.4 28.4 0.00 46.2 55.0 12.1 21.7 11.6 116 11 62.1 16.6 17.0 1.6 40.4 0.00 47.3 55.0 13.0 19.5 12.5 114 12 64.6 18.7 17.0 1.7 48.3 0.00 48.7 55.0 11.4 18.8 10.7 127 13 66.4 19.9 17.0 1.8 51.2 0.00 50.5 54.9 9.8 15.9 9.4 132 14 68.4 21.2 16.0 2.0 49.0 0.00 52.5 54.9 6.9 13.0 6.3 125 15 69.6 21.8 16.0 2.1 41.8 0.00 54.3 54.9 5.6 11.4 4.9 118 16 70.2 21.8 16.0 2.1 30.1 0.00 55.8 54.9 5.4 11.0 4.9 96 17 68.5 22.4 17.0 2.0 15.5 0.00 56.3 54.7 6.3 11.0 6.0 108 18 64.8 21.8 19.0 1.7 2.4 0.00 56.1 54.7 4.7 9.2 4.5 129 19 59.7 25.1 27.0 1.3 0.0 0.00 55.2 54.7 2.9 7.2 1.8 82 20 55.0 29.4 37.0 0.9 0.0 0.00 54.3 54.9 2.0 4.9 1.8 68 21 50.7 31.1 47.0 0.7 0.0 0.00 53.2 54.9 0.7 4.3 0.4 69 22 60.1 24.6 25.0 1.3 0.0 0.00 52.3 54.9 7.8 14.1 7.2 111 23 56.1 28.0 35.0 1.0 0.0 0.00 51.8 54.9 3.1 10.1 1.8 129 24 48.0 30.3 50.0 0.6 0.0 0.00 51.3 54.9 1.3 7.4 0.9 291 AZMET Daily Weather Data : TUCSON : Jan 12 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 70.9 39.6 57.4 DegF RELATIVE HUMIDITY 57.0 15.0 26.0 % DEWPOINT 21.2 DegF ACTUAL VAPOR PRESS. 0.4 KPas VAPOR PRESS. DEF. 1.3 KPas SOIL TEMP. 4 in 56.3 46.0 50.5 DegF SOIL TEMP. 20 in 55.2 54.7 55.0 DegF WIND SPEED 21.7 6.3 MPH WIND VECTOR MAG. 5.1 MPH WIND VECTOR DIR. 117 Degrees SOLAR RADIATION 322.7 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.15 Inches STD. REF. EVAPOTRANSPIRATION 0.14 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 5.1 50 7.9 83 11.3 128 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 13 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 45.0 30.7 58.0 0.4 0.0 0.00 50.5 55.0 1.1 4.0 0.4 67 2 45.5 29.0 52.0 0.5 0.0 0.00 49.8 55.0 1.1 6.7 0.0 92 3 46.0 25.6 45.0 0.6 0.0 0.00 49.3 55.0 2.2 4.7 1.8 53 4 42.1 28.0 57.0 0.4 0.0 0.00 48.7 55.0 0.7 2.9 0.4 72 5 39.7 28.5 64.0 0.3 0.0 0.00 48.0 55.0 1.1 3.6 0.4 66 6 39.0 28.5 66.0 0.3 0.0 0.00 47.5 55.0 1.1 4.9 0.7 89 7 38.1 28.5 68.0 0.3 0.0 0.00 46.9 55.0 2.2 5.6 2.0 76 8 38.5 28.0 66.0 0.3 1.9 0.00 46.6 55.0 1.8 5.4 1.6 90 9 46.4 29.4 51.0 0.5 13.9 0.00 46.2 55.0 0.2 1.8 0.2 282 10 55.0 27.6 35.0 1.0 28.2 0.00 46.4 55.0 0.4 3.1 0.2 158 11 61.0 28.0 28.0 1.3 40.4 0.00 47.7 55.0 0.9 3.8 0.2 20 12 64.8 27.6 24.0 1.6 48.5 0.00 49.6 54.9 1.6 4.3 0.4 291 13 67.8 27.6 22.0 1.8 51.4 0.00 51.8 54.9 3.8 7.8 3.4 309 14 71.1 25.6 18.0 2.1 49.5 0.00 54.1 54.9 4.5 9.2 4.0 321 15 72.0 26.6 18.0 2.2 42.1 0.00 56.1 54.7 5.4 9.2 4.9 318 16 71.4 29.4 21.0 2.1 30.1 0.00 57.4 54.7 6.7 10.5 6.3 313 17 69.4 30.3 23.0 1.9 15.8 0.00 57.9 54.7 6.3 11.0 6.0 303 18 64.9 30.7 28.0 1.5 2.9 0.00 57.6 54.7 6.5 12.1 6.5 296 19 60.6 32.4 34.0 1.2 0.0 0.00 56.7 54.7 5.6 11.4 5.4 288 20 56.3 32.8 41.0 0.9 0.0 0.00 55.6 54.7 1.3 5.6 1.1 335 21 50.0 35.4 57.0 0.5 0.0 0.00 54.7 54.7 1.3 4.3 1.3 69 22 47.3 36.1 65.0 0.4 0.0 0.00 53.6 54.9 2.0 4.3 1.6 77 23 45.9 35.0 66.0 0.4 0.0 0.00 52.5 54.9 2.7 5.1 2.5 95 24 45.5 33.9 64.0 0.4 0.0 0.00 51.8 54.9 2.0 4.3 2.0 84 AZMET Daily Weather Data : TUCSON : Jan 13 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 73.8 37.6 53.4 DegF RELATIVE HUMIDITY 71.0 15.0 45.0 % DEWPOINT 29.9 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.0 KPas SOIL TEMP. 4 in 57.9 46.2 51.6 DegF SOIL TEMP. 20 in 55.0 54.7 54.9 DegF WIND SPEED 12.1 2.7 MPH WIND VECTOR MAG. 1.3 MPH WIND VECTOR DIR. 328 Degrees SOLAR RADIATION 324.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.12 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 6.1 56 9.0 92 12.0 140 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 14 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 43.2 34.3 71.0 0.3 0.0 0.00 51.1 55.0 2.5 4.9 2.2 78 2 42.3 33.9 72.0 0.3 0.0 0.00 50.4 55.0 1.3 4.7 1.3 97 3 40.6 33.9 77.0 0.2 0.0 0.00 49.6 55.0 2.0 4.0 1.8 79 4 38.8 33.5 81.0 0.2 0.0 0.00 48.9 55.0 1.6 4.9 1.3 83 5 37.8 33.2 83.0 0.1 0.0 0.00 48.4 55.0 1.3 3.6 1.3 95 6 37.9 32.4 80.0 0.2 0.0 0.00 47.8 55.0 1.8 3.8 1.6 87 7 37.4 32.0 81.0 0.1 0.0 0.00 47.3 55.0 1.3 3.6 1.1 65 8 36.9 32.0 82.0 0.1 1.9 0.00 46.9 55.0 1.6 3.6 1.3 84 9 42.8 32.8 68.0 0.3 13.6 0.00 46.4 55.0 2.0 4.9 2.0 73 10 53.2 31.6 44.0 0.8 28.0 0.00 46.8 55.0 1.1 4.3 0.7 19 11 58.5 32.0 37.0 1.1 40.2 0.00 48.0 55.0 1.3 4.3 1.1 227 12 63.3 32.0 31.0 1.4 48.0 0.00 49.8 54.9 2.2 5.1 2.0 294 13 68.9 30.3 23.0 1.9 51.6 0.00 52.2 54.9 2.9 6.3 2.5 279 14 71.6 30.7 22.0 2.1 49.5 0.00 54.5 54.9 5.4 8.9 4.9 287 15 73.9 30.7 20.0 2.3 42.3 0.00 56.7 54.7 3.8 8.5 3.6 293 16 77.4 29.0 17.0 2.7 28.9 0.00 58.1 54.7 2.7 8.3 0.4 327 17 76.6 26.1 15.0 2.7 17.0 0.00 58.8 54.7 3.8 8.7 3.6 88 18 71.2 30.3 23.0 2.0 3.1 0.00 58.6 54.7 2.9 7.8 1.6 55 19 65.3 32.0 29.0 1.5 0.0 0.00 57.7 54.7 3.1 8.7 0.9 117 20 64.8 25.1 22.0 1.6 0.0 0.00 56.7 54.7 4.5 6.9 4.3 107 21 64.0 23.5 21.0 1.6 0.0 0.00 55.8 54.7 4.9 8.9 4.7 112 22 62.1 24.0 23.0 1.5 0.0 0.00 54.9 54.9 2.9 8.1 2.5 120 23 62.2 23.5 23.0 1.5 0.0 0.00 54.1 54.9 5.1 10.5 4.7 140 24 56.8 26.1 31.0 1.1 0.0 0.00 53.4 54.9 2.5 6.9 0.7 87 AZMET Daily Weather Data : TUCSON : Jan 14 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 80.6 36.0 56.1 DegF RELATIVE HUMIDITY 86.0 13.0 45.0 % DEWPOINT 30.3 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.1 KPas SOIL TEMP. 4 in 58.8 46.4 52.2 DegF SOIL TEMP. 20 in 55.0 54.7 54.9 DegF WIND SPEED 10.5 2.7 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 93 Degrees SOLAR RADIATION 324.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.12 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 8.7 65 11.9 104 15.1 155 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 15 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 51.3 29.0 42.0 0.8 0.0 0.00 52.7 55.0 0.9 3.4 0.7 103 2 45.7 30.7 56.0 0.5 0.0 0.00 52.0 55.0 1.1 3.6 0.2 19 3 49.3 28.0 45.0 0.7 0.0 0.00 51.3 55.0 3.4 9.6 1.3 141 4 53.2 26.1 35.0 0.9 0.0 0.00 50.5 55.0 2.7 8.5 0.7 66 5 48.0 27.6 45.0 0.6 0.0 0.00 50.0 55.2 1.8 4.3 0.9 328 6 43.7 29.4 57.0 0.4 0.0 0.00 49.5 55.2 1.3 3.6 0.7 332 7 42.1 29.9 62.0 0.4 0.0 0.00 48.9 55.2 0.9 2.9 0.4 81 8 41.4 30.7 65.0 0.3 1.9 0.00 48.4 55.2 1.3 4.3 1.1 77 9 49.5 31.1 50.0 0.6 14.1 0.00 47.8 55.2 2.0 5.6 1.8 80 10 59.4 30.3 33.0 1.2 28.7 0.00 48.2 55.0 3.4 7.6 3.1 85 11 66.6 28.0 23.0 1.7 40.9 0.00 49.3 55.0 5.1 8.9 4.9 121 12 70.5 27.1 20.0 2.0 49.0 0.00 51.3 55.0 4.9 9.6 4.7 106 13 73.4 26.6 17.0 2.3 52.1 0.00 53.6 55.0 4.7 9.2 4.3 92 14 75.9 25.1 15.0 2.6 50.0 0.00 55.9 55.0 3.8 8.1 3.4 121 15 78.4 23.5 13.0 2.9 43.0 0.00 57.9 54.9 2.5 6.3 0.4 124 16 78.8 21.2 11.0 3.0 31.1 0.00 59.4 54.9 2.5 6.3 2.0 277 17 76.8 22.9 13.0 2.7 16.3 0.00 60.1 54.9 3.6 5.6 3.4 299 18 71.2 26.6 19.0 2.1 3.1 0.00 59.7 54.9 2.9 6.7 2.9 296 19 64.6 33.5 32.0 1.4 0.0 0.00 58.6 54.9 3.6 5.4 3.1 290 20 59.4 36.1 42.0 1.0 0.0 0.00 57.6 54.9 1.8 4.3 1.3 293 21 53.4 37.5 54.0 0.6 0.0 0.00 56.3 55.0 0.7 2.9 0.7 64 22 49.5 36.8 61.0 0.5 0.0 0.00 55.2 55.0 1.8 4.3 1.8 82 23 48.2 35.0 60.0 0.5 0.0 0.00 54.1 55.0 2.5 5.1 2.2 82 24 47.7 34.3 59.0 0.5 0.0 0.00 53.2 55.2 2.7 4.3 2.5 75 AZMET Daily Weather Data : TUCSON : Jan 15 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 82.4 40.5 58.3 DegF RELATIVE HUMIDITY 68.0 9.0 39.0 % DEWPOINT 29.9 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.3 KPas SOIL TEMP. 4 in 60.1 47.8 53.4 DegF SOIL TEMP. 20 in 55.2 54.9 55.0 DegF WIND SPEED 9.6 2.5 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 85 Degrees SOLAR RADIATION 330.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.12 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 10.1 75 13.3 118 17.0 172 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 16 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 45.0 33.9 66.0 0.4 0.0 0.00 52.5 55.2 1.6 4.7 1.6 65 2 43.3 33.9 69.0 0.3 0.0 0.00 51.6 55.2 1.8 4.3 1.6 94 3 42.3 33.5 71.0 0.3 0.0 0.00 50.9 55.4 2.2 4.7 1.6 105 4 40.6 33.5 75.0 0.2 0.0 0.00 50.2 55.4 2.5 5.6 2.5 78 5 39.4 33.2 78.0 0.2 0.0 0.00 49.6 55.4 2.9 4.9 2.7 93 6 39.6 32.4 75.0 0.2 0.0 0.00 49.1 55.4 1.1 4.7 1.1 86 7 37.6 32.4 81.0 0.2 0.0 0.00 48.4 55.4 0.7 3.8 0.7 61 8 38.3 32.0 78.0 0.2 1.9 0.00 47.8 55.4 2.9 4.9 2.9 92 9 44.8 33.2 64.0 0.4 14.3 0.00 47.5 55.4 1.8 4.5 1.6 104 10 53.4 32.0 44.0 0.8 28.9 0.00 47.7 55.2 2.2 4.3 2.0 112 11 61.0 32.0 34.0 1.2 41.4 0.00 48.9 55.2 0.9 4.3 0.7 243 12 66.6 31.6 27.0 1.6 49.5 0.00 50.9 55.2 1.8 4.9 1.3 199 13 69.8 29.0 22.0 1.9 52.8 0.00 53.2 55.2 2.5 7.6 1.3 124 14 72.7 26.6 18.0 2.3 50.9 0.00 55.6 55.0 2.5 6.9 1.8 206 15 74.5 24.6 15.0 2.5 43.5 0.00 57.7 55.0 2.7 6.9 1.8 265 16 73.8 27.6 18.0 2.3 31.3 0.00 59.2 55.0 4.5 8.9 3.8 279 17 72.1 31.1 22.0 2.1 16.7 0.00 59.7 55.0 6.0 10.3 5.8 305 18 67.6 30.7 25.0 1.7 3.4 0.00 59.4 54.9 5.1 10.7 4.9 289 19 61.9 30.3 30.0 1.3 0.0 0.00 58.3 54.9 3.4 7.2 3.4 271 20 56.1 32.0 40.0 0.9 0.0 0.00 57.2 55.0 0.9 3.6 0.7 10 21 52.0 34.7 51.0 0.6 0.0 0.00 55.9 55.0 0.7 2.7 0.7 71 22 49.1 35.4 59.0 0.5 0.0 0.00 54.9 55.0 2.7 4.5 2.2 86 23 48.4 34.3 58.0 0.5 0.0 0.00 53.8 55.0 3.6 5.6 3.4 84 24 47.8 33.2 56.0 0.5 0.0 0.00 53.1 55.2 2.5 6.0 2.2 97 AZMET Daily Weather Data : TUCSON : Jan 16 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 76.3 37.0 54.1 DegF RELATIVE HUMIDITY 83.0 13.0 49.0 % DEWPOINT 32.0 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.0 KPas SOIL TEMP. 4 in 59.7 47.5 53.1 DegF SOIL TEMP. 20 in 55.4 54.9 55.2 DegF WIND SPEED 10.7 2.5 MPH WIND VECTOR MAG. 0.2 MPH WIND VECTOR DIR. 71 Degrees SOLAR RADIATION 334.9 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.0 82 9.9 127 13.3 185 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 17 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 44.6 33.5 65.0 0.4 0.0 0.00 52.2 55.2 1.3 4.0 0.9 79 2 41.5 33.5 73.0 0.2 0.0 0.00 51.3 55.2 1.3 3.1 0.9 74 3 40.1 33.2 76.0 0.2 0.0 0.00 50.5 55.4 2.5 4.3 2.5 91 4 39.0 32.8 77.0 0.2 0.0 0.00 49.8 55.4 2.7 4.3 2.5 89 5 38.3 32.0 78.0 0.2 0.0 0.00 49.3 55.4 2.2 3.8 2.0 87 6 37.4 31.6 79.0 0.2 0.0 0.00 48.6 55.4 2.0 4.7 2.0 88 7 36.0 31.1 82.0 0.1 0.0 0.00 48.0 55.4 2.5 4.9 2.2 82 8 35.6 30.7 82.0 0.1 1.9 0.00 47.5 55.2 1.3 3.8 1.1 83 9 42.8 31.6 65.0 0.3 14.6 0.00 46.9 55.2 1.8 4.3 1.8 84 10 50.4 32.0 50.0 0.6 29.2 0.00 47.1 55.2 2.7 4.9 2.5 88 11 59.5 32.4 36.0 1.1 41.4 0.00 48.4 55.2 1.6 5.4 1.3 118 12 65.8 30.3 26.0 1.6 49.7 0.00 50.4 55.2 1.6 4.9 1.1 116 13 69.8 28.0 21.0 2.0 53.1 0.00 52.7 55.0 1.8 4.9 0.7 226 14 71.8 24.6 17.0 2.2 50.7 0.00 55.2 55.0 2.7 6.9 1.3 228 15 74.1 20.6 13.0 2.5 43.5 0.00 57.4 55.0 3.6 7.6 2.9 163 16 76.6 14.3 9.0 2.8 31.8 0.00 58.8 54.9 1.8 5.6 0.4 124 17 75.7 15.9 10.0 2.7 17.2 0.00 59.5 54.9 3.6 10.5 3.4 317 18 69.6 18.7 14.0 2.1 3.6 0.00 59.2 54.9 4.0 8.9 3.4 292 19 62.2 27.6 27.0 1.4 0.0 0.00 58.1 54.9 3.4 9.6 2.2 279 20 54.7 29.4 38.0 0.9 0.0 0.00 57.0 54.9 2.0 4.3 1.8 81 21 50.0 30.7 47.0 0.7 0.0 0.00 55.8 54.9 2.0 4.3 2.0 69 22 47.8 30.3 50.0 0.6 0.0 0.00 54.5 55.0 2.0 3.6 1.8 80 23 45.7 29.9 53.0 0.5 0.0 0.00 53.6 55.0 1.1 3.6 1.1 81 24 43.9 29.4 56.0 0.4 0.0 0.00 52.5 55.0 3.1 5.1 2.9 84 AZMET Daily Weather Data : TUCSON : Jan 17 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 78.4 34.7 53.1 DegF RELATIVE HUMIDITY 85.0 8.0 48.0 % DEWPOINT 29.0 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.0 KPas SOIL TEMP. 4 in 59.5 46.9 52.7 DegF SOIL TEMP. 20 in 55.4 54.9 55.0 DegF WIND SPEED 10.5 2.2 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 86 Degrees SOLAR RADIATION 336.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.9 90 10.6 138 13.6 199 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 18 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 41.4 29.4 62.0 0.3 0.0 0.00 51.8 55.0 0.7 2.7 0.4 78 2 39.6 29.9 68.0 0.3 0.0 0.00 50.9 55.2 1.1 4.7 0.9 83 3 38.5 29.4 70.0 0.2 0.0 0.00 50.2 55.2 1.8 4.3 1.6 82 4 37.9 29.4 70.0 0.2 0.0 0.00 49.5 55.2 1.1 3.4 1.1 82 5 36.1 29.0 75.0 0.2 0.0 0.00 48.7 55.2 0.7 2.7 0.7 88 6 35.6 29.0 76.0 0.2 0.0 0.00 48.0 55.2 0.4 2.5 0.4 63 7 34.7 29.0 79.0 0.2 0.0 0.00 47.5 55.2 0.9 2.9 0.9 79 8 34.7 29.0 79.0 0.1 2.4 0.00 46.9 55.2 1.1 2.9 1.1 74 9 42.8 29.4 59.0 0.4 15.1 0.00 46.4 55.2 1.1 3.1 1.1 63 10 55.0 29.9 38.0 0.9 29.6 0.00 46.8 55.0 0.9 4.5 0.9 115 11 62.8 25.6 24.0 1.5 40.4 0.00 48.0 55.0 2.5 5.6 2.2 93 12 70.7 23.5 17.0 2.2 50.7 0.00 50.0 55.0 1.6 4.9 0.9 10 13 72.9 20.6 14.0 2.4 54.0 0.00 52.5 54.9 4.5 12.1 3.8 87 14 76.8 18.0 11.0 2.8 51.9 0.00 55.2 54.9 2.5 6.5 1.3 111 15 80.2 17.3 9.0 3.2 43.5 0.00 57.4 54.9 2.7 5.6 2.0 12 16 78.4 19.3 11.0 3.0 24.6 0.00 59.0 54.7 3.4 7.2 3.1 317 17 76.3 21.8 13.0 2.7 15.1 0.00 59.4 54.7 3.1 6.3 2.9 311 18 68.7 26.6 21.0 1.9 1.9 0.00 59.0 54.7 2.5 6.3 2.2 296 19 59.0 31.1 35.0 1.1 0.0 0.00 58.1 54.7 0.0 0.0 0.0 0 20 53.4 32.8 45.0 0.8 0.0 0.00 56.8 54.7 0.9 2.9 0.9 74 21 49.8 33.5 53.0 0.6 0.0 0.00 55.6 54.7 0.9 3.1 0.9 66 22 47.7 33.2 57.0 0.5 0.0 0.00 54.5 54.9 2.2 4.3 2.2 78 23 46.6 31.6 55.0 0.5 0.0 0.00 53.4 54.9 2.7 5.1 2.7 97 24 45.3 30.7 57.0 0.5 0.0 0.00 52.7 54.9 2.9 4.7 2.7 73 AZMET Daily Weather Data : TUCSON : Jan 18 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 82.6 33.8 53.6 DegF RELATIVE HUMIDITY 82.0 8.0 46.0 % DEWPOINT 27.6 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.1 KPas SOIL TEMP. 4 in 59.4 46.4 52.3 DegF SOIL TEMP. 20 in 55.2 54.7 55.0 DegF WIND SPEED 12.1 1.8 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 62 Degrees SOLAR RADIATION 329.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 9.5 100 12.4 150 15.5 214 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 19 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 45.0 30.3 56.0 0.4 0.0 0.00 51.8 55.0 2.7 4.5 2.5 83 2 43.5 30.3 59.0 0.4 0.0 0.00 51.3 55.0 2.7 4.9 2.7 86 3 41.7 30.7 65.0 0.3 0.0 0.00 50.5 55.0 2.0 5.1 1.8 75 4 40.1 30.7 69.0 0.3 0.0 0.00 49.8 55.0 0.9 3.1 0.9 71 5 39.0 30.3 70.0 0.2 0.0 0.00 49.3 55.0 2.2 4.7 2.2 75 6 38.3 30.3 72.0 0.2 0.0 0.00 48.7 55.0 2.5 4.3 2.5 71 7 37.4 30.3 75.0 0.2 0.0 0.00 48.2 55.0 2.0 4.5 2.0 87 8 37.8 29.9 72.0 0.2 1.4 0.00 47.7 55.0 3.1 6.3 2.9 84 9 42.6 29.9 61.0 0.4 13.2 0.00 47.3 55.0 3.4 5.4 3.4 93 10 55.6 28.0 35.0 1.0 28.7 0.00 47.5 55.0 2.0 4.9 1.8 92 11 63.7 27.1 25.0 1.5 40.4 0.00 48.7 54.9 1.6 4.3 1.1 284 12 67.1 28.0 23.0 1.8 46.1 0.00 50.7 54.9 2.5 5.1 2.2 238 13 70.9 27.1 19.0 2.1 52.3 0.00 53.1 54.9 2.0 4.3 1.8 276 14 74.3 23.5 15.0 2.5 50.4 0.00 55.6 54.7 3.4 8.3 2.9 292 15 74.8 22.9 14.0 2.5 43.5 0.00 57.7 54.7 6.7 12.8 6.3 291 16 73.6 24.6 16.0 2.4 31.1 0.00 59.2 54.7 7.8 13.0 7.6 301 17 72.3 24.0 16.0 2.3 17.5 0.00 59.7 54.7 6.9 11.0 6.7 305 18 68.4 25.6 20.0 1.9 3.6 0.00 59.4 54.7 6.5 13.6 6.3 300 19 63.3 29.9 28.0 1.4 0.0 0.00 58.5 54.7 3.8 6.7 3.6 283 20 57.4 31.1 36.0 1.0 0.0 0.00 57.4 54.7 2.0 5.4 0.4 310 21 52.0 32.8 48.0 0.7 0.0 0.00 56.3 54.7 1.8 4.3 1.6 78 22 49.1 32.8 53.0 0.6 0.0 0.00 55.0 54.7 2.7 4.3 2.5 85 23 47.3 32.0 56.0 0.5 0.0 0.00 54.1 54.9 3.1 4.9 2.9 84 24 46.8 31.1 54.0 0.5 0.0 0.00 53.2 54.9 2.7 5.8 2.7 90 AZMET Daily Weather Data : TUCSON : Jan 19 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 75.6 36.7 54.3 DegF RELATIVE HUMIDITY 77.0 11.0 44.0 % DEWPOINT 29.0 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.1 KPas SOIL TEMP. 4 in 59.7 47.1 52.9 DegF SOIL TEMP. 20 in 55.0 54.7 54.9 DegF WIND SPEED 13.6 3.1 MPH WIND VECTOR MAG. 0.7 MPH WIND VECTOR DIR. 349 Degrees SOLAR RADIATION 328.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.12 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 6.8 106 9.6 160 12.9 227 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 20 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 44.2 31.1 60.0 0.4 0.0 0.00 52.3 54.9 1.1 3.6 0.9 72 2 42.4 31.1 64.0 0.3 0.0 0.00 51.6 55.0 2.2 4.9 2.0 73 3 39.7 31.1 71.0 0.2 0.0 0.00 50.7 55.0 0.9 2.5 0.9 67 4 39.0 30.7 72.0 0.2 0.0 0.00 50.0 55.0 2.0 4.5 1.8 76 5 38.1 30.7 74.0 0.2 0.0 0.00 49.5 55.0 1.1 3.6 0.9 89 6 36.7 30.3 77.0 0.2 0.0 0.00 48.7 55.0 1.6 3.8 1.3 80 7 35.8 29.9 79.0 0.2 0.0 0.00 48.2 55.0 0.7 3.6 0.4 54 8 35.4 29.9 80.0 0.1 1.7 0.00 47.5 55.0 0.9 4.0 0.9 71 9 41.9 30.7 64.0 0.3 14.8 0.00 47.1 55.0 2.7 4.9 2.7 90 10 54.1 30.3 40.0 0.9 29.6 0.00 47.3 54.9 0.4 2.7 0.2 24 11 59.5 29.4 32.0 1.2 42.1 0.00 48.6 54.9 1.1 4.3 0.9 258 12 65.3 26.6 23.0 1.6 50.2 0.00 50.5 54.9 1.3 4.0 1.1 258 13 69.8 25.6 19.0 2.0 53.5 0.00 53.1 54.9 1.6 4.9 0.4 339 14 72.5 24.0 16.0 2.3 51.4 0.00 55.6 54.7 2.2 8.1 1.8 258 15 73.0 23.5 16.0 2.3 44.5 0.00 57.7 54.7 5.1 10.1 4.5 299 16 72.7 25.1 17.0 2.3 32.5 0.00 59.4 54.7 7.2 11.6 6.7 299 17 71.2 25.1 18.0 2.2 17.9 0.00 59.9 54.7 6.9 11.0 6.7 297 18 67.1 28.5 23.0 1.8 3.8 0.00 59.5 54.5 5.1 10.1 5.1 301 19 61.7 29.9 30.0 1.3 0.0 0.00 58.5 54.5 4.7 8.1 4.5 294 20 59.0 29.0 32.0 1.2 0.0 0.00 57.4 54.7 4.9 9.6 4.5 287 21 53.4 31.6 44.0 0.8 0.0 0.00 56.3 54.7 1.8 4.9 1.6 78 22 48.4 32.8 54.0 0.5 0.0 0.00 55.0 54.7 1.8 3.6 1.6 73 23 49.1 30.7 49.0 0.6 0.0 0.00 54.0 54.7 1.8 5.1 1.6 101 24 47.5 30.3 52.0 0.6 0.0 0.00 53.1 54.9 2.7 3.8 2.5 95 AZMET Daily Weather Data : TUCSON : Jan 20 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 74.5 34.7 53.2 DegF RELATIVE HUMIDITY 83.0 14.0 46.0 % DEWPOINT 29.4 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.0 KPas SOIL TEMP. 4 in 59.9 47.1 53.1 DegF SOIL TEMP. 20 in 55.0 54.5 54.9 DegF WIND SPEED 11.6 2.7 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 321 Degrees SOLAR RADIATION 342.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 6.1 113 8.9 169 11.9 239 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 21 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 42.8 30.7 62.0 0.4 0.0 0.00 52.2 54.9 0.9 2.9 0.9 81 2 40.5 30.7 68.0 0.3 0.0 0.00 51.3 54.9 1.8 3.4 1.8 71 3 38.5 30.3 73.0 0.2 0.0 0.00 50.5 55.0 2.5 4.3 2.2 76 4 37.4 30.3 74.0 0.2 0.0 0.00 49.8 55.0 1.6 4.5 1.6 85 5 36.5 29.4 76.0 0.2 0.0 0.00 49.1 55.0 1.3 4.0 1.3 84 6 35.2 29.0 78.0 0.2 0.0 0.00 48.4 55.0 2.2 3.8 2.2 76 7 34.7 28.5 78.0 0.2 0.0 0.00 47.8 55.0 1.1 3.6 1.1 97 8 36.0 28.5 74.0 0.2 2.4 0.00 47.3 55.0 2.2 4.9 2.2 104 9 43.0 29.0 58.0 0.4 15.5 0.00 46.8 54.9 2.7 6.0 2.7 101 10 51.3 28.5 41.0 0.8 29.9 0.00 47.1 54.9 3.8 6.9 3.6 118 11 59.0 29.0 32.0 1.2 39.4 0.00 48.2 54.9 3.4 6.7 3.1 105 12 65.8 28.0 24.0 1.7 49.5 0.00 50.2 54.9 3.4 6.5 3.1 116 13 69.1 24.6 18.0 2.0 40.4 0.00 52.5 54.7 3.6 7.4 3.1 120 14 72.1 22.4 15.0 2.3 41.1 0.00 54.5 54.7 2.0 6.3 1.6 115 15 75.0 15.9 11.0 2.7 40.2 0.00 56.3 54.7 1.8 4.9 0.4 169 16 72.7 15.1 11.0 2.4 20.3 0.00 57.6 54.5 3.8 7.6 3.4 298 17 69.1 24.0 18.0 2.0 10.0 0.00 57.9 54.5 5.8 9.6 5.6 299 18 64.9 21.8 19.0 1.7 2.2 0.00 57.7 54.5 4.0 6.9 3.8 309 19 60.8 28.5 29.0 1.3 0.0 0.00 57.0 54.5 4.5 6.9 4.5 306 20 58.5 31.1 35.0 1.1 0.0 0.00 56.1 54.5 2.5 5.6 2.0 283 21 54.7 32.8 43.0 0.8 0.0 0.00 55.4 54.5 1.1 3.1 0.9 97 22 52.7 32.0 45.0 0.8 0.0 0.00 54.5 54.5 2.9 5.1 2.7 90 23 51.6 32.0 47.0 0.7 0.0 0.00 54.0 54.7 2.5 3.8 2.2 85 24 49.1 32.4 52.0 0.6 0.0 0.00 53.2 54.7 2.5 4.3 2.5 85 AZMET Daily Weather Data : TUCSON : Jan 21 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 77.4 34.0 52.9 DegF RELATIVE HUMIDITY 81.0 7.0 45.0 % DEWPOINT 28.0 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.0 KPas SOIL TEMP. 4 in 57.9 46.8 52.3 DegF SOIL TEMP. 20 in 55.0 54.5 54.7 DegF WIND SPEED 9.6 2.7 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 78 Degrees SOLAR RADIATION 290.9 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.4 120 10.0 179 13.2 252 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 22 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 48.4 32.4 54.0 0.5 0.0 0.00 52.7 54.7 2.0 3.8 1.8 84 2 45.7 32.4 60.0 0.4 0.0 0.00 52.0 54.7 1.1 2.9 1.1 85 3 43.3 32.0 64.0 0.4 0.0 0.00 51.4 54.7 2.2 4.7 2.0 89 4 43.3 31.6 62.0 0.4 0.0 0.00 50.7 54.9 0.9 3.1 0.9 94 5 43.7 31.6 62.0 0.4 0.0 0.00 50.2 54.9 0.7 3.8 0.7 67 6 44.2 30.3 58.0 0.4 0.0 0.00 49.8 54.9 2.9 4.9 2.7 87 7 44.1 30.3 58.0 0.4 0.0 0.00 49.5 54.9 1.1 3.6 0.4 69 8 43.3 30.7 61.0 0.4 1.2 0.00 49.1 54.9 1.6 4.3 1.6 78 9 46.6 30.7 54.0 0.5 6.9 0.00 48.9 54.9 1.1 3.6 1.1 97 10 53.2 29.9 41.0 0.8 27.5 0.00 49.1 54.7 3.4 6.3 3.1 130 11 59.9 29.0 31.0 1.2 30.4 0.00 50.2 54.7 3.4 6.7 2.9 108 12 63.1 29.0 27.0 1.4 34.4 0.00 51.6 54.7 4.0 7.8 3.8 110 13 69.1 25.6 19.0 2.0 46.4 0.00 53.2 54.7 3.1 5.6 2.9 123 14 73.9 21.2 14.0 2.5 49.5 0.00 55.4 54.7 4.0 9.4 3.4 143 15 75.4 19.9 12.0 2.6 38.7 0.00 57.4 54.5 3.4 9.2 2.0 136 16 73.6 21.8 14.0 2.4 14.3 0.00 58.6 54.5 1.1 4.7 0.9 265 17 71.6 25.6 18.0 2.2 6.9 0.00 59.2 54.5 3.4 9.4 3.4 318 18 67.5 28.5 23.0 1.8 1.0 0.00 58.8 54.5 4.0 6.5 3.8 287 19 65.1 30.3 27.0 1.6 0.0 0.00 58.3 54.5 4.0 7.6 3.8 307 20 61.2 32.4 34.0 1.2 0.0 0.00 57.6 54.5 1.3 4.5 1.1 261 21 59.2 34.3 39.0 1.1 0.0 0.00 56.8 54.7 2.0 4.7 1.6 83 22 58.3 35.0 42.0 1.0 0.0 0.00 56.3 54.7 0.9 3.4 0.9 78 23 57.7 34.7 42.0 0.9 0.0 0.00 55.9 54.7 1.6 3.4 1.6 79 24 56.1 34.7 44.0 0.9 0.0 0.00 55.4 54.9 0.7 2.5 0.7 88 AZMET Daily Weather Data : TUCSON : Jan 22 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 78.8 42.6 57.0 DegF RELATIVE HUMIDITY 66.0 10.0 40.0 % DEWPOINT 29.9 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.1 KPas SOIL TEMP. 4 in 59.2 48.9 53.6 DegF SOIL TEMP. 20 in 54.9 54.5 54.7 DegF WIND SPEED 9.4 2.2 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 97 Degrees SOLAR RADIATION 257.4 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.09 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 9.0 129 12.3 191 15.8 268 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 23 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 55.2 36.1 48.0 0.8 0.0 0.00 55.0 54.9 1.8 3.8 1.8 81 2 55.2 38.1 53.0 0.7 0.0 0.00 54.7 54.9 3.4 6.9 2.7 97 3 55.8 42.6 62.0 0.6 0.0 0.00 54.3 54.9 3.1 8.5 2.9 86 4 57.4 48.2 72.0 0.5 0.0 0.00 54.1 55.0 4.5 7.8 4.3 102 5 54.9 50.3 85.0 0.2 0.0 0.01 54.0 55.0 3.8 7.6 3.6 106 6 54.3 50.0 85.0 0.2 0.0 0.00 53.8 55.0 3.1 5.8 2.5 125 7 53.6 49.4 86.0 0.2 0.0 0.00 53.6 55.0 2.5 4.9 2.2 117 8 53.2 49.4 87.0 0.2 1.2 0.00 53.4 55.0 0.7 2.9 0.4 249 9 55.8 50.5 83.0 0.3 6.2 0.00 53.2 55.0 1.6 3.8 1.3 58 10 57.6 51.5 81.0 0.3 13.9 0.00 53.6 55.0 3.1 5.4 2.9 95 11 59.9 52.1 75.0 0.4 16.0 0.00 54.1 55.0 3.4 7.2 3.1 106 12 63.9 50.7 62.0 0.8 22.0 0.00 55.0 55.0 3.1 6.0 2.7 146 13 64.4 49.1 58.0 0.9 13.9 0.00 55.9 55.0 2.9 6.7 2.0 141 14 62.1 51.5 69.0 0.6 9.8 0.02 56.5 55.0 5.4 10.7 5.1 119 15 59.9 52.7 77.0 0.4 13.9 0.00 56.7 55.0 3.8 8.9 3.1 102 16 60.3 51.5 73.0 0.5 9.1 0.00 57.0 55.0 3.4 6.9 2.9 105 17 59.7 51.5 74.0 0.5 4.8 0.01 57.2 55.0 1.3 4.3 1.1 97 18 57.7 53.3 85.0 0.2 0.5 0.01 57.0 55.2 1.3 6.7 1.3 116 19 56.3 53.7 91.0 0.1 0.0 0.01 56.8 55.2 3.4 6.3 3.1 98 20 55.4 52.5 90.0 0.2 0.0 0.00 56.5 55.2 3.1 6.3 3.1 107 21 54.1 51.3 91.0 0.1 0.0 0.00 55.9 55.2 0.9 4.7 0.4 96 22 52.0 50.7 96.0 0.1 0.0 0.00 55.4 55.2 0.4 2.9 0.4 59 23 52.0 50.9 96.0 0.1 0.0 0.00 54.9 55.2 0.9 3.6 0.4 96 24 52.5 50.9 94.0 0.1 0.0 0.00 54.5 55.4 1.1 4.7 0.9 92 AZMET Daily Weather Data : TUCSON : Jan 23 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 65.1 51.6 56.8 DegF RELATIVE HUMIDITY 97.0 45.0 78.0 % DEWPOINT 49.8 DegF ACTUAL VAPOR PRESS. 1.2 KPas VAPOR PRESS. DEF. 0.4 KPas SOIL TEMP. 4 in 57.2 53.2 55.2 DegF SOIL TEMP. 20 in 55.4 54.9 55.0 DegF WIND SPEED 10.7 2.7 MPH WIND VECTOR MAG. 2.2 MPH WIND VECTOR DIR. 106 Degrees SOLAR RADIATION 111.1 Langleys PRECIPITATION 0.06 Inches AZMET REF. EVAPOTRANSPIRATION 0.02 Inches STD. REF. EVAPOTRANSPIRATION 0.05 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 4.1 133 8.4 200 13.4 282 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 24 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 52.7 50.7 93.0 0.1 0.0 0.00 54.3 55.4 0.4 3.6 0.4 72 2 52.0 50.5 94.0 0.1 0.0 0.00 54.0 55.4 0.2 2.2 0.2 115 3 50.9 49.6 96.0 0.1 0.0 0.00 53.6 55.4 0.4 2.5 0.4 52 4 50.9 49.8 96.0 0.1 0.0 0.00 53.4 55.4 0.0 2.0 0.0 28 5 51.4 50.5 97.0 0.1 0.0 0.00 53.2 55.4 0.4 2.5 0.4 93 6 51.8 50.7 96.0 0.1 0.0 0.00 53.1 55.4 2.0 4.0 1.8 69 7 53.1 50.9 93.0 0.1 0.0 0.01 53.1 55.4 2.7 6.5 2.0 115 8 52.9 50.7 92.0 0.1 0.5 0.00 53.1 55.4 1.8 4.0 1.6 86 9 53.4 51.1 92.0 0.1 4.1 0.00 53.1 55.4 2.9 5.6 2.2 104 10 55.6 51.1 85.0 0.2 14.3 0.00 53.2 55.4 1.3 3.8 1.3 84 11 62.1 49.1 63.0 0.7 43.5 0.00 54.1 55.4 1.3 4.9 0.7 92 12 63.1 44.5 51.0 1.0 35.9 0.01 55.9 55.4 3.8 9.4 3.4 281 13 61.5 42.9 50.0 0.9 25.3 0.00 57.2 55.4 5.8 10.5 5.4 297 14 63.1 41.2 45.0 1.1 35.1 0.00 58.1 55.4 6.5 11.2 5.8 294 15 63.5 40.3 42.0 1.2 23.9 0.00 58.8 55.4 6.5 13.9 6.0 305 16 62.8 40.0 43.0 1.1 11.5 0.00 59.0 55.4 5.4 10.3 5.1 313 17 62.6 40.0 44.0 1.1 6.2 0.00 58.8 55.4 5.6 11.0 5.4 314 18 59.2 42.4 54.0 0.8 0.2 0.00 58.5 55.4 9.8 21.0 9.4 288 19 54.1 47.1 77.0 0.3 0.0 0.01 57.7 55.6 5.4 14.8 4.5 298 20 52.7 49.6 90.0 0.1 0.0 0.00 57.2 55.6 0.9 3.1 0.7 61 21 52.7 50.3 91.0 0.1 0.0 0.00 56.7 55.6 0.4 3.8 0.4 161 22 52.9 50.0 90.0 0.1 0.0 0.05 56.1 55.6 2.5 7.6 1.3 45 23 50.5 46.6 86.0 0.2 0.0 0.05 55.8 55.8 6.5 15.0 5.8 277 24 49.3 46.1 89.0 0.1 0.0 0.03 55.2 55.8 5.6 13.6 5.4 279 AZMET Daily Weather Data : TUCSON : Jan 24 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 65.8 48.9 55.6 DegF RELATIVE HUMIDITY 97.0 38.0 77.0 % DEWPOINT 47.5 DegF ACTUAL VAPOR PRESS. 1.1 KPas VAPOR PRESS. DEF. 0.4 KPas SOIL TEMP. 4 in 59.2 53.1 55.6 DegF SOIL TEMP. 20 in 55.8 55.4 55.4 DegF WIND SPEED 21.0 3.4 MPH WIND VECTOR MAG. 1.8 MPH WIND VECTOR DIR. 302 Degrees SOLAR RADIATION 200.5 Langleys PRECIPITATION 0.16 Inches AZMET REF. EVAPOTRANSPIRATION 0.06 Inches STD. REF. EVAPOTRANSPIRATION 0.07 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 4.0 137 7.6 207 12.4 294 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 25 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 49.1 46.6 91.0 0.1 0.0 0.00 54.7 55.8 1.3 3.4 0.9 233 2 48.7 45.8 90.0 0.1 0.0 0.00 54.3 55.8 0.7 4.3 0.7 210 3 47.7 45.8 93.0 0.1 0.0 0.00 54.0 55.9 0.2 2.2 0.0 190 4 46.0 44.3 94.0 0.1 0.0 0.00 53.4 55.9 0.4 4.0 0.4 282 5 45.3 42.9 91.0 0.1 0.0 0.00 52.7 55.9 0.9 3.6 0.9 310 6 44.8 42.1 91.0 0.1 0.0 0.00 52.0 55.9 2.2 3.8 2.0 239 7 43.2 41.2 93.0 0.1 0.0 0.00 51.3 55.9 2.0 4.3 2.0 234 8 43.0 41.2 94.0 0.1 2.9 0.00 50.5 55.9 1.6 4.3 0.9 90 9 47.7 42.9 84.0 0.2 17.5 0.00 50.0 55.9 1.6 3.4 1.6 72 10 52.7 40.9 64.0 0.5 30.8 0.00 50.2 55.9 1.3 4.3 0.2 53 11 53.2 39.4 60.0 0.6 40.6 0.00 51.4 55.9 1.8 5.6 0.7 251 12 56.1 39.4 53.0 0.7 49.5 0.00 53.4 55.8 2.5 8.3 1.1 190 13 56.5 38.5 50.0 0.8 55.0 0.00 55.4 55.8 3.4 8.3 2.5 265 14 58.5 36.1 43.0 1.0 52.8 0.00 57.4 55.8 3.8 11.0 2.7 296 15 59.5 31.1 34.0 1.2 46.1 0.00 58.8 55.8 5.6 11.9 4.9 287 16 60.1 29.4 31.0 1.2 33.5 0.00 59.7 55.8 5.4 10.3 4.9 304 17 58.8 32.4 36.0 1.1 17.7 0.00 59.9 55.6 6.3 10.3 5.8 289 18 56.3 28.5 34.0 1.0 5.0 0.00 59.0 55.6 5.4 8.9 5.1 275 19 51.8 29.4 42.0 0.8 0.0 0.00 57.7 55.6 2.0 4.3 1.8 311 20 47.3 33.2 57.0 0.5 0.0 0.00 56.5 55.8 1.3 4.0 1.3 245 21 45.5 33.5 63.0 0.4 0.0 0.00 55.0 55.8 0.7 5.6 0.7 66 22 42.4 35.0 75.0 0.2 0.0 0.00 53.8 55.8 1.3 4.9 1.3 71 23 41.0 35.4 81.0 0.2 0.0 0.00 52.7 55.8 1.6 4.0 1.3 76 24 39.6 35.7 86.0 0.1 0.0 0.00 51.8 55.8 0.7 2.9 0.7 72 AZMET Daily Weather Data : TUCSON : Jan 25 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 61.0 38.5 49.8 DegF RELATIVE HUMIDITY 96.0 24.0 68.0 % DEWPOINT 38.5 DegF ACTUAL VAPOR PRESS. 0.8 KPas VAPOR PRESS. DEF. 0.5 KPas SOIL TEMP. 4 in 59.9 50.0 54.5 DegF SOIL TEMP. 20 in 55.9 55.6 55.8 DegF WIND SPEED 11.9 2.2 MPH WIND VECTOR MAG. 1.1 MPH WIND VECTOR DIR. 282 Degrees SOLAR RADIATION 351.6 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.10 Inches STD. REF. EVAPOTRANSPIRATION 0.07 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 1.4 138 3.5 211 6.3 300 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 26 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 38.1 35.4 89.0 0.1 0.0 0.00 50.7 55.9 0.2 2.5 0.2 65 2 36.9 34.3 91.0 0.1 0.0 0.00 50.0 55.9 1.6 4.3 1.3 90 3 36.0 33.5 91.0 0.1 0.0 0.00 49.1 55.9 1.3 4.0 1.1 83 4 34.7 32.8 92.0 0.1 0.0 0.00 48.4 55.9 0.7 2.9 0.7 61 5 34.3 32.8 94.0 0.0 0.0 0.00 47.8 55.9 0.2 2.9 0.2 103 6 34.9 32.8 93.0 0.1 0.0 0.00 47.3 55.8 0.9 3.1 0.9 70 7 36.3 33.9 91.0 0.1 0.0 0.00 46.9 55.8 0.9 3.6 0.9 74 8 37.6 34.3 88.0 0.1 1.4 0.00 46.6 55.8 1.3 3.6 1.1 82 9 40.5 35.4 82.0 0.2 12.0 0.00 46.6 55.8 1.6 3.6 0.9 282 10 47.3 35.4 63.0 0.4 20.6 0.00 47.1 55.6 1.8 5.1 1.3 79 11 53.6 33.5 47.0 0.8 41.4 0.00 48.0 55.6 2.2 8.3 1.8 140 12 60.4 20.6 21.0 1.4 50.2 0.00 50.0 55.4 7.8 15.2 6.7 121 13 62.6 19.3 19.0 1.6 55.0 0.00 52.0 55.4 6.3 13.9 5.4 128 14 63.7 19.9 18.0 1.6 55.2 0.00 53.8 55.2 7.2 13.2 6.3 111 15 64.0 20.6 19.0 1.7 46.6 0.00 55.4 55.2 6.9 11.6 6.0 111 16 64.6 21.8 19.0 1.7 32.3 0.00 56.5 55.2 5.8 13.9 5.1 116 17 63.9 21.8 20.0 1.6 18.2 0.00 56.8 55.0 5.6 11.6 5.1 99 18 60.8 21.8 22.0 1.4 3.1 0.00 56.5 55.0 4.9 9.4 4.7 98 19 57.6 24.0 27.0 1.2 0.0 0.00 55.6 55.0 4.5 8.7 4.0 112 20 52.3 27.6 38.0 0.8 0.0 0.00 54.5 55.0 1.6 4.5 1.3 36 21 47.8 31.1 52.0 0.5 0.0 0.00 53.4 55.0 1.6 4.0 1.3 70 22 44.4 32.4 62.0 0.4 0.0 0.00 52.3 55.0 1.1 3.4 0.9 73 23 44.4 33.2 65.0 0.4 0.0 0.00 51.6 55.0 1.1 4.5 0.7 74 24 44.4 33.5 66.0 0.3 0.0 0.00 50.9 55.2 1.6 3.4 1.3 64 AZMET Daily Weather Data : TUCSON : Jan 26 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 65.3 34.0 48.4 DegF RELATIVE HUMIDITY 94.0 14.0 57.0 % DEWPOINT 29.9 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 0.7 KPas SOIL TEMP. 4 in 56.8 46.6 51.3 DegF SOIL TEMP. 20 in 55.9 55.0 55.4 DegF WIND SPEED 15.2 2.9 MPH WIND VECTOR MAG. 2.2 MPH WIND VECTOR DIR. 105 Degrees SOLAR RADIATION 336.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.12 Inches STD. REF. EVAPOTRANSPIRATION 0.08 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 2.6 141 4.8 216 7.6 308 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 27 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 44.4 30.7 59.0 0.4 0.0 0.00 50.4 55.2 2.7 11.0 1.1 91 2 50.5 24.6 36.0 0.8 0.0 0.00 49.8 55.2 6.0 11.9 4.7 169 3 45.3 26.1 47.0 0.6 0.0 0.00 49.5 55.2 1.6 8.3 1.3 349 4 39.6 28.5 64.0 0.3 0.0 0.00 48.7 55.2 0.2 2.5 0.0 225 5 36.7 29.0 73.0 0.2 0.0 0.00 48.0 55.2 1.8 4.3 1.8 77 6 34.9 28.5 77.0 0.2 0.0 0.00 47.3 55.2 0.2 2.9 0.0 130 7 34.2 28.5 80.0 0.1 0.0 0.00 46.6 55.2 2.0 4.9 1.8 71 8 35.2 28.5 76.0 0.2 2.6 0.00 46.0 55.0 2.0 4.9 1.8 78 9 44.2 27.6 52.0 0.5 16.0 0.00 45.7 55.0 2.7 5.1 2.5 88 10 53.2 26.1 35.0 0.9 31.3 0.00 46.0 55.0 2.7 6.3 2.7 75 11 59.9 24.6 26.0 1.3 44.0 0.00 47.3 55.0 1.6 5.1 1.3 67 12 63.9 22.9 21.0 1.6 52.6 0.00 49.5 54.9 2.2 7.4 1.1 52 13 66.2 22.4 19.0 1.8 56.2 0.00 51.8 54.9 2.2 5.6 0.9 100 14 68.4 20.6 16.0 2.0 54.0 0.00 54.1 54.7 2.7 7.6 1.3 23 15 70.7 19.3 14.0 2.2 47.1 0.00 56.3 54.7 2.0 6.7 0.7 327 16 71.6 21.2 15.0 2.3 35.4 0.00 57.7 54.7 2.7 6.7 1.8 327 17 70.5 22.4 16.0 2.2 19.4 0.00 58.5 54.5 2.0 4.7 1.6 269 18 65.7 25.1 21.0 1.7 3.4 0.00 58.3 54.5 1.1 4.5 0.9 315 19 55.9 31.6 40.0 0.9 0.0 0.00 57.2 54.5 0.2 2.5 0.0 94 20 51.1 35.4 55.0 0.6 0.0 0.00 55.9 54.5 0.4 2.9 0.4 65 21 47.3 35.7 64.0 0.4 0.0 0.00 54.7 54.7 0.4 2.9 0.4 53 22 45.9 36.1 69.0 0.3 0.0 0.00 53.4 54.7 1.6 4.3 1.3 79 23 44.6 35.0 68.0 0.3 0.0 0.00 52.5 54.7 0.9 4.9 0.9 78 24 44.4 34.7 68.0 0.3 0.0 0.00 51.6 54.7 1.6 3.8 1.6 85 AZMET Daily Weather Data : TUCSON : Jan 27 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 73.9 33.8 51.8 DegF RELATIVE HUMIDITY 83.0 11.0 46.0 % DEWPOINT 28.0 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 0.9 KPas SOIL TEMP. 4 in 58.5 45.5 51.4 DegF SOIL TEMP. 20 in 55.2 54.5 54.9 DegF WIND SPEED 11.9 1.8 MPH WIND VECTOR MAG. 0.7 MPH WIND VECTOR DIR. 74 Degrees SOLAR RADIATION 361.4 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.08 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 5.8 147 8.5 224 11.4 319 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 28 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 45.3 33.2 63.0 0.4 0.0 0.00 50.9 54.9 2.5 5.1 2.0 87 2 44.2 33.9 66.0 0.3 0.0 0.00 50.4 54.9 1.8 6.0 1.1 30 3 44.6 32.8 63.0 0.4 0.0 0.00 50.0 54.9 0.7 3.6 0.7 152 4 41.9 33.9 73.0 0.2 0.0 0.00 49.5 54.9 0.4 2.7 0.0 11 5 41.5 34.7 76.0 0.2 0.0 0.00 48.9 54.9 1.3 3.8 0.7 62 6 41.9 34.3 75.0 0.2 0.0 0.00 48.6 54.9 2.2 4.9 2.2 93 7 45.5 32.4 60.0 0.4 0.0 0.00 48.2 54.9 3.4 8.3 2.5 105 8 45.5 32.4 60.0 0.4 1.2 0.00 47.8 54.9 1.6 3.8 0.9 104 9 48.6 33.9 58.0 0.5 13.9 0.00 47.7 54.9 1.3 4.9 0.7 19 10 58.6 32.0 36.0 1.1 29.2 0.00 48.2 54.7 3.6 7.2 3.4 93 11 63.5 30.7 29.0 1.4 42.5 0.00 49.6 54.7 4.7 7.8 4.5 108 12 68.2 28.5 22.0 1.8 55.2 0.00 51.6 54.7 5.4 9.4 4.9 93 13 71.2 27.1 19.0 2.1 47.8 0.00 53.8 54.7 3.8 9.2 3.4 90 14 72.7 26.6 18.0 2.3 32.3 0.00 55.8 54.5 2.0 6.9 0.2 211 15 73.2 26.1 17.0 2.3 26.3 0.00 57.0 54.5 1.3 4.7 1.1 217 16 75.4 25.1 15.0 2.5 24.6 0.00 57.9 54.5 0.7 4.9 0.4 294 17 71.8 27.1 19.0 2.2 12.9 0.00 58.5 54.5 4.0 6.9 3.8 292 18 67.1 32.4 27.0 1.7 2.2 0.00 58.1 54.5 5.4 11.0 5.1 303 19 63.0 30.3 29.0 1.4 0.0 0.00 57.6 54.5 4.5 8.3 4.5 314 20 59.2 29.9 33.0 1.2 0.0 0.00 56.7 54.5 4.3 8.3 4.0 296 21 57.2 29.4 35.0 1.1 0.0 0.00 55.8 54.5 5.6 11.0 5.4 289 22 53.2 32.4 45.0 0.8 0.0 0.00 54.9 54.7 0.9 4.9 0.4 5 23 49.5 35.4 58.0 0.5 0.0 0.00 54.0 54.7 0.2 2.2 0.2 65 24 48.0 36.1 63.0 0.4 0.0 0.00 53.2 54.7 1.8 4.9 1.6 84 AZMET Daily Weather Data : TUCSON : Jan 28 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 77.4 40.6 56.3 DegF RELATIVE HUMIDITY 79.0 13.0 44.0 % DEWPOINT 31.6 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.1 KPas SOIL TEMP. 4 in 58.5 47.7 52.7 DegF SOIL TEMP. 20 in 54.9 54.5 54.7 DegF WIND SPEED 11.0 2.7 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 34 Degrees SOLAR RADIATION 288.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.10 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 8.0 155 11.2 235 14.6 334 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 29 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 48.7 34.3 57.0 0.5 0.0 0.00 52.5 54.9 3.1 4.9 3.1 93 2 48.0 35.0 61.0 0.5 0.0 0.00 52.0 54.9 1.8 4.7 1.6 89 3 45.3 35.4 68.0 0.3 0.0 0.00 51.4 54.9 0.4 2.5 0.4 69 4 43.7 36.4 75.0 0.2 0.0 0.00 50.9 54.9 1.1 4.7 1.1 85 5 43.9 36.8 76.0 0.2 0.0 0.00 50.4 54.9 1.8 3.6 1.6 80 6 42.8 36.8 80.0 0.2 0.0 0.00 50.0 54.9 1.6 3.8 1.6 78 7 42.6 37.1 80.0 0.2 0.0 0.00 49.5 54.9 2.0 3.4 1.6 80 8 43.0 36.8 79.0 0.2 1.4 0.00 49.1 54.9 1.8 4.3 1.8 102 9 45.9 37.8 73.0 0.3 8.8 0.00 48.9 54.9 2.0 4.3 2.0 91 10 51.8 37.5 58.0 0.6 20.8 0.00 49.1 54.9 2.5 5.6 2.2 114 11 56.5 37.1 48.0 0.8 27.0 0.00 50.0 54.9 2.9 5.4 2.7 106 12 60.3 35.4 40.0 1.1 33.9 0.00 51.3 54.9 2.2 5.1 1.8 97 13 64.6 33.2 31.0 1.4 39.7 0.00 52.7 54.9 1.3 4.3 0.9 173 14 66.6 32.8 28.0 1.6 40.6 0.00 54.5 54.7 2.9 6.7 2.5 273 15 68.0 28.5 23.0 1.8 32.3 0.00 55.9 54.7 6.0 10.3 5.8 288 16 67.8 29.4 23.0 1.8 25.3 0.00 57.0 54.7 7.2 12.8 6.9 290 17 66.9 27.6 23.0 1.7 16.7 0.00 57.4 54.7 6.0 12.3 5.8 280 18 64.8 26.6 23.0 1.6 4.3 0.00 57.4 54.7 4.9 9.6 4.9 296 19 60.4 27.6 29.0 1.3 0.0 0.00 56.7 54.7 3.4 6.9 3.4 296 20 56.3 29.0 35.0 1.0 0.0 0.00 55.8 54.7 2.7 7.6 2.5 293 21 49.8 33.5 53.0 0.6 0.0 0.00 54.7 54.7 1.3 4.0 1.3 76 22 46.0 35.0 65.0 0.4 0.0 0.00 53.6 54.7 1.6 3.6 1.6 64 23 44.4 35.0 69.0 0.3 0.0 0.00 52.7 54.9 2.0 4.5 1.8 80 24 42.1 34.7 75.0 0.2 0.0 0.00 51.8 54.9 0.2 2.0 0.2 61 AZMET Daily Weather Data : TUCSON : Jan 29 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 69.4 40.6 52.9 DegF RELATIVE HUMIDITY 82.0 19.0 53.0 % DEWPOINT 33.9 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 0.8 KPas SOIL TEMP. 4 in 57.6 48.9 52.7 DegF SOIL TEMP. 20 in 54.9 54.7 54.9 DegF WIND SPEED 12.8 2.7 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 334 Degrees SOLAR RADIATION 251.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.08 Inches STD. REF. EVAPOTRANSPIRATION 0.08 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 4.6 159 7.3 243 10.8 345 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 30 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 40.6 33.9 77.0 0.2 0.0 0.00 50.9 54.9 2.0 4.5 1.8 100 2 39.0 33.2 80.0 0.2 0.0 0.00 50.0 54.9 1.6 3.4 1.6 70 3 37.9 33.2 82.0 0.1 0.0 0.00 49.3 54.9 1.6 3.8 1.6 88 4 37.2 32.4 83.0 0.1 0.0 0.00 48.6 54.9 2.2 3.8 2.0 86 5 36.5 32.0 84.0 0.1 0.0 0.00 48.0 54.9 0.9 3.4 0.9 98 6 35.2 31.6 86.0 0.1 0.0 0.00 47.5 54.9 1.8 3.8 1.6 82 7 34.2 31.1 88.0 0.1 0.0 0.00 46.8 54.9 0.9 3.6 0.9 59 8 34.5 30.7 87.0 0.1 3.1 0.00 46.2 54.9 1.6 4.9 1.6 66 9 41.7 32.8 70.0 0.3 16.5 0.00 45.9 54.9 2.0 4.3 2.0 93 10 49.8 32.0 50.0 0.6 31.3 0.00 46.2 54.7 2.5 5.1 2.2 106 11 56.3 30.3 37.0 1.0 44.2 0.00 47.7 54.7 2.0 5.1 1.6 114 12 62.6 30.7 30.0 1.4 52.6 0.00 49.8 54.7 1.3 4.3 0.2 179 13 65.7 28.5 24.0 1.6 56.2 0.00 52.3 54.5 2.5 6.3 2.0 297 14 68.9 23.5 18.0 2.0 54.5 0.00 55.0 54.5 3.1 7.6 2.5 298 15 70.7 23.5 17.0 2.1 47.3 0.00 57.4 54.5 4.0 8.7 3.4 287 16 71.2 24.6 17.0 2.2 35.6 0.00 59.0 54.3 4.7 9.4 4.5 295 17 72.5 24.0 16.0 2.3 20.6 0.00 59.7 54.3 3.1 6.5 2.9 297 18 70.2 25.6 19.0 2.1 5.5 0.00 59.5 54.3 1.8 3.8 1.6 317 19 61.2 29.4 30.0 1.3 0.0 0.00 58.5 54.3 1.3 4.3 0.9 35 20 54.9 32.0 42.0 0.9 0.0 0.00 57.2 54.3 1.3 4.7 0.9 77 21 50.7 33.2 50.0 0.6 0.0 0.00 55.9 54.3 0.7 4.5 0.2 70 22 48.4 33.2 55.0 0.5 0.0 0.00 54.7 54.5 2.2 4.9 2.0 76 23 46.2 32.4 58.0 0.5 0.0 0.00 53.6 54.5 2.0 6.0 1.3 83 24 45.3 31.6 58.0 0.4 0.0 0.00 52.7 54.5 2.5 6.3 1.6 102 AZMET Daily Weather Data : TUCSON : Jan 30 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 73.4 33.4 51.3 DegF RELATIVE HUMIDITY 89.0 14.0 52.0 % DEWPOINT 30.3 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 0.9 KPas SOIL TEMP. 4 in 59.7 45.9 52.2 DegF SOIL TEMP. 20 in 54.9 54.3 54.7 DegF WIND SPEED 9.4 2.0 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 45 Degrees SOLAR RADIATION 367.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.12 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 5.6 165 8.3 251 11.1 356 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Jan 31 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 43.5 32.0 63.0 0.4 0.0 0.00 51.8 54.7 1.3 4.0 1.1 73 2 42.3 31.1 64.0 0.3 0.0 0.00 50.9 54.7 1.8 5.4 1.6 81 3 40.6 30.7 68.0 0.3 0.0 0.00 50.2 54.7 1.3 5.8 0.4 269 4 42.4 29.9 61.0 0.4 0.0 0.00 49.5 54.7 1.3 6.9 0.4 359 5 40.3 29.9 66.0 0.3 0.0 0.00 48.9 54.7 1.6 5.1 0.4 82 6 39.0 29.9 69.0 0.3 0.0 0.00 48.4 54.7 2.0 5.1 1.8 82 7 37.4 29.4 73.0 0.2 0.0 0.00 47.8 54.7 0.7 4.0 0.7 73 8 37.6 29.4 73.0 0.2 2.9 0.00 47.3 54.7 1.3 3.6 1.1 83 9 46.6 31.1 55.0 0.5 16.3 0.00 46.9 54.7 1.1 3.4 0.9 100 10 57.9 29.0 33.0 1.1 31.6 0.00 47.3 54.7 0.7 3.6 0.2 273 11 63.5 28.5 27.0 1.5 44.2 0.00 48.7 54.7 3.4 6.3 3.4 296 12 70.0 24.0 18.0 2.1 52.8 0.00 51.1 54.5 4.5 10.3 2.0 306 13 74.3 16.6 11.0 2.6 56.6 0.00 53.8 54.5 6.9 13.6 6.3 115 14 75.4 18.0 11.0 2.7 54.7 0.00 56.3 54.5 4.7 9.6 3.6 115 15 77.4 18.7 11.0 2.9 47.6 0.00 58.6 54.3 3.4 7.6 2.9 300 16 78.8 20.6 11.0 3.0 35.9 0.00 60.3 54.3 2.9 7.6 2.2 317 17 78.6 15.9 9.0 3.0 20.8 0.00 61.2 54.3 2.0 6.0 1.1 83 18 73.8 21.8 14.0 2.5 5.5 0.00 61.0 54.3 3.6 7.6 3.4 306 19 65.5 24.0 21.0 1.7 0.0 0.00 59.9 54.3 1.6 4.7 0.2 188 20 58.1 28.0 32.0 1.1 0.0 0.00 58.6 54.3 0.7 2.9 0.7 80 21 53.8 29.9 40.0 0.9 0.0 0.00 57.4 54.3 1.6 4.3 1.3 65 22 51.1 30.7 45.0 0.7 0.0 0.00 56.1 54.5 1.3 6.5 1.1 90 23 49.3 30.7 49.0 0.6 0.0 0.00 55.0 54.5 2.0 5.1 1.8 77 24 46.0 31.6 56.0 0.5 0.0 0.00 54.0 54.7 0.9 5.6 0.7 61 AZMET Daily Weather Data : TUCSON : Jan 31 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 80.6 36.3 55.9 DegF RELATIVE HUMIDITY 76.0 8.0 41.0 % DEWPOINT 27.1 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.2 KPas SOIL TEMP. 4 in 61.3 46.8 53.4 DegF SOIL TEMP. 20 in 54.7 54.3 54.5 DegF WIND SPEED 13.6 2.2 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 60 Degrees SOLAR RADIATION 368.8 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 8.9 174 11.8 263 15.0 371 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 1 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 44.6 31.6 60.0 0.4 0.0 0.00 53.1 54.7 1.6 4.7 1.3 80 2 43.2 31.1 62.0 0.4 0.0 0.00 52.2 54.7 0.7 3.4 0.7 70 3 41.9 31.1 65.0 0.3 0.0 0.00 51.3 54.9 1.1 4.7 0.9 83 4 41.0 30.7 66.0 0.3 0.0 0.00 50.5 54.9 0.9 3.6 0.7 74 5 40.6 30.7 67.0 0.3 0.0 0.00 50.0 54.9 1.8 4.7 1.3 83 6 39.9 30.3 68.0 0.3 0.0 0.00 49.3 54.9 1.1 3.8 0.9 92 7 39.2 29.9 69.0 0.3 0.0 0.00 48.7 54.9 1.1 3.6 0.9 83 8 39.7 30.3 69.0 0.3 2.9 0.00 48.2 54.9 0.9 4.9 0.9 73 9 49.1 32.4 52.0 0.6 16.3 0.00 47.8 54.9 1.3 3.6 1.1 90 10 63.5 28.0 27.0 1.5 31.8 0.00 48.4 54.9 3.6 10.3 2.9 118 11 71.6 22.9 16.0 2.2 44.7 0.00 49.8 54.7 7.4 13.4 6.9 141 12 75.4 22.4 14.0 2.6 53.1 0.00 52.2 54.7 8.3 13.0 7.8 126 13 78.1 20.6 12.0 2.9 56.9 0.00 54.7 54.7 8.3 15.2 7.8 115 14 79.9 19.3 10.0 3.1 55.0 0.00 57.2 54.5 7.8 15.9 6.5 133 15 80.8 19.3 10.0 3.2 47.8 0.00 59.5 54.5 6.7 14.3 6.3 152 16 81.1 19.9 10.0 3.3 36.1 0.00 61.2 54.5 5.1 11.0 4.7 137 17 80.6 19.9 10.0 3.2 21.0 0.00 62.1 54.5 4.0 7.4 3.6 110 18 77.9 22.4 13.0 2.9 5.7 0.00 61.9 54.5 2.0 5.6 1.8 94 19 68.9 27.1 21.0 1.9 0.0 0.00 61.0 54.5 2.5 4.5 2.5 90 20 66.2 27.6 23.0 1.7 0.0 0.00 59.7 54.5 3.1 5.1 2.9 102 21 57.7 30.7 36.0 1.1 0.0 0.00 58.5 54.5 0.2 2.5 0.2 360 22 53.8 32.4 44.0 0.8 0.0 0.00 57.2 54.7 1.3 3.8 0.9 62 23 52.2 32.4 47.0 0.7 0.0 0.00 56.1 54.7 0.7 2.9 0.4 94 24 50.2 33.2 52.0 0.6 0.0 0.00 55.2 54.9 0.4 2.5 0.4 83 AZMET Daily Weather Data : TUCSON : Feb 1 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 81.5 38.1 59.0 DegF RELATIVE HUMIDITY 73.0 9.0 38.0 % DEWPOINT 27.6 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 62.1 47.8 54.3 DegF SOIL TEMP. 20 in 54.9 54.5 54.7 DegF WIND SPEED 15.9 2.9 MPH WIND VECTOR MAG. 2.5 MPH WIND VECTOR DIR. 119 Degrees SOLAR RADIATION 371.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.16 Inches STD. REF. EVAPOTRANSPIRATION 0.12 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 9.5 183 12.6 275 15.9 387 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 2 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 49.5 33.9 55.0 0.6 0.0 0.00 54.3 54.9 1.8 4.3 1.3 80 2 48.0 33.9 58.0 0.5 0.0 0.00 53.6 54.9 1.6 4.9 1.3 82 3 47.1 33.2 58.0 0.5 0.0 0.00 52.9 55.0 2.2 4.7 2.2 84 4 46.6 32.8 58.0 0.5 0.0 0.00 52.2 55.0 1.3 5.6 1.1 94 5 46.2 32.8 59.0 0.4 0.0 0.00 51.6 55.0 2.5 5.6 2.5 80 6 45.7 33.2 62.0 0.4 0.0 0.00 51.1 55.0 2.0 4.9 1.8 78 7 46.0 33.2 60.0 0.4 0.0 0.00 50.7 55.0 2.5 4.9 1.6 101 8 47.1 33.2 58.0 0.5 3.1 0.00 50.2 55.0 2.2 4.7 2.0 72 9 53.6 33.5 47.0 0.8 15.1 0.00 50.0 55.0 3.1 5.8 2.9 100 10 60.6 34.3 37.0 1.1 28.0 0.00 50.4 55.0 2.7 4.9 2.7 95 11 68.5 34.7 28.0 1.7 42.1 0.00 51.8 55.0 1.8 4.7 1.1 118 12 73.9 33.2 22.0 2.2 52.3 0.00 54.0 55.0 2.2 6.5 1.8 139 13 77.0 29.9 18.0 2.6 42.8 0.00 56.5 54.9 2.0 6.3 1.1 270 14 77.2 31.6 19.0 2.6 54.5 0.06 58.8 54.9 3.6 7.8 2.9 261 15 79.3 27.1 15.0 2.9 46.9 0.00 61.0 54.9 4.3 9.2 3.4 308 16 78.8 27.6 15.0 2.8 28.2 0.00 62.6 54.9 4.0 8.3 3.6 294 17 76.3 30.7 19.0 2.5 11.5 0.00 63.1 54.9 3.8 8.3 3.6 299 18 74.3 31.6 21.0 2.3 4.8 0.00 62.8 54.9 3.8 7.6 3.6 317 19 70.3 31.1 23.0 2.0 0.0 0.00 61.9 54.9 4.0 11.2 4.0 319 20 70.0 27.6 21.0 2.0 0.0 0.00 60.8 54.9 4.3 8.3 3.4 318 21 64.2 31.1 29.0 1.5 0.0 0.00 59.9 55.0 2.0 8.5 0.2 341 22 58.6 34.3 40.0 1.0 0.0 0.00 58.8 55.0 2.0 4.9 0.9 81 23 56.8 35.0 44.0 0.9 0.0 0.00 57.7 55.0 1.3 3.8 0.9 67 24 57.6 35.0 43.0 0.9 0.0 0.00 57.0 55.2 2.5 5.6 2.5 91 AZMET Daily Weather Data : TUCSON : Feb 2 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 80.6 45.1 61.3 DegF RELATIVE HUMIDITY 64.0 13.0 38.0 % DEWPOINT 32.4 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 63.1 50.0 55.9 DegF SOIL TEMP. 20 in 55.2 54.9 55.0 DegF WIND SPEED 11.2 2.7 MPH WIND VECTOR MAG. 0.7 MPH WIND VECTOR DIR. 21 Degrees SOLAR RADIATION 329.1 Langleys PRECIPITATION 0.06 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.11 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 10.1 194 13.6 289 17.9 405 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 3 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 55.2 35.7 48.0 0.8 0.0 0.00 56.3 55.2 1.3 4.9 1.1 90 2 52.3 35.7 53.0 0.6 0.0 0.00 55.6 55.4 2.2 4.3 2.0 85 3 50.9 35.0 54.0 0.6 0.0 0.00 54.9 55.4 1.8 3.6 1.6 80 4 47.3 35.0 62.0 0.4 0.0 0.00 54.1 55.4 2.0 4.3 1.8 78 5 45.3 35.0 67.0 0.3 0.0 0.00 53.4 55.6 1.8 4.3 1.6 80 6 45.3 35.0 67.0 0.3 0.0 0.00 52.7 55.6 1.8 3.8 1.6 85 7 43.2 35.0 72.0 0.3 0.0 0.00 52.0 55.6 1.8 3.8 1.8 82 8 44.4 34.7 68.0 0.3 2.9 0.00 51.3 55.6 2.9 6.3 2.7 87 9 50.5 35.4 56.0 0.6 16.5 0.00 50.9 55.6 2.7 4.9 2.7 99 10 59.5 35.7 41.0 1.0 31.8 0.00 51.3 55.6 1.6 4.3 1.6 64 11 66.6 33.9 30.0 1.6 44.7 0.00 52.5 55.6 1.1 4.3 0.7 123 12 71.1 31.6 23.0 2.0 53.8 0.00 54.7 55.4 1.8 5.6 1.1 207 13 73.2 30.3 21.0 2.2 57.8 0.00 57.4 55.4 2.2 4.9 1.3 263 14 75.7 28.5 17.0 2.5 55.7 0.00 59.9 55.4 3.1 9.2 2.7 269 15 76.6 29.0 17.0 2.6 48.5 0.00 62.2 55.4 7.2 12.3 6.7 279 16 79.7 15.1 9.0 3.2 37.1 0.00 63.7 55.4 8.1 15.7 7.2 323 17 80.1 16.6 9.0 3.2 21.8 0.00 64.2 55.4 4.7 11.4 3.6 332 18 76.5 13.5 9.0 2.9 6.5 0.00 64.0 55.4 3.8 8.3 3.8 318 19 69.3 16.6 13.0 2.1 0.0 0.00 62.8 55.4 4.3 10.1 4.3 297 20 65.7 22.4 19.0 1.7 0.0 0.00 61.5 55.4 4.5 9.6 3.6 295 21 58.1 25.1 28.0 1.2 0.0 0.00 60.1 55.4 1.3 4.9 0.9 66 22 52.7 27.1 37.0 0.9 0.0 0.00 58.8 55.6 1.1 2.9 0.9 72 23 50.0 29.4 45.0 0.7 0.0 0.00 57.6 55.6 0.9 3.1 0.7 84 24 48.9 29.4 47.0 0.6 0.0 0.00 56.5 55.8 2.5 4.9 2.2 82 AZMET Daily Weather Data : TUCSON : Feb 3 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 81.3 42.8 59.9 DegF RELATIVE HUMIDITY 74.0 7.0 38.0 % DEWPOINT 29.9 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 64.2 50.9 57.0 DegF SOIL TEMP. 20 in 55.8 55.2 55.4 DegF WIND SPEED 15.7 2.7 MPH WIND VECTOR MAG. 0.7 MPH WIND VECTOR DIR. 349 Degrees SOLAR RADIATION 377.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.14 Inches STD. REF. EVAPOTRANSPIRATION 0.12 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 10.0 204 13.3 302 17.2 422 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 4 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 46.9 30.3 52.0 0.5 0.0 0.00 55.4 55.8 2.7 4.9 2.5 77 2 45.9 30.3 55.0 0.5 0.0 0.00 54.5 55.8 2.5 4.9 2.5 86 3 45.7 30.7 55.0 0.5 0.0 0.00 53.6 55.9 2.2 4.0 2.0 88 4 43.2 30.3 60.0 0.4 0.0 0.00 52.9 55.9 2.0 5.4 2.0 78 5 40.3 30.3 68.0 0.3 0.0 0.00 52.2 55.9 0.2 2.0 0.2 65 6 39.2 30.3 70.0 0.3 0.0 0.00 51.3 55.9 2.0 4.3 1.8 86 7 39.0 30.3 70.0 0.2 0.0 0.00 50.5 55.9 0.9 4.0 0.7 72 8 39.6 29.9 68.0 0.3 3.4 0.00 50.0 55.9 1.8 4.9 1.6 78 9 48.4 30.7 50.0 0.6 17.5 0.00 49.5 55.9 0.9 3.4 0.0 264 10 57.7 30.3 35.0 1.1 33.0 0.00 50.0 55.9 2.0 7.6 1.8 300 11 72.7 18.7 13.0 2.4 46.4 0.00 51.4 55.8 10.1 17.4 9.6 105 12 75.4 17.3 11.0 2.7 55.0 0.00 53.6 55.8 11.0 19.2 10.5 96 13 76.6 18.0 11.0 2.8 58.8 0.00 56.1 55.8 10.7 19.2 10.1 87 14 77.5 18.0 10.0 2.9 56.9 0.00 58.6 55.6 11.4 19.0 10.5 84 15 78.1 18.0 10.0 3.0 49.7 0.00 60.6 55.6 12.5 21.0 11.9 78 16 77.9 18.7 11.0 2.9 37.5 0.00 62.1 55.6 11.6 19.7 11.0 83 17 76.6 17.3 11.0 2.8 22.2 0.00 62.8 55.4 11.2 19.7 10.5 83 18 74.3 18.7 12.0 2.5 6.5 0.00 62.6 55.4 8.5 15.4 8.1 85 19 71.1 19.9 14.0 2.2 0.0 0.00 61.9 55.4 7.2 11.9 6.9 100 20 69.1 20.6 16.0 2.0 0.0 0.00 60.8 55.6 7.8 13.6 7.4 115 21 67.5 21.8 17.0 1.9 0.0 0.00 59.9 55.6 9.4 15.2 9.2 111 22 67.1 22.4 18.0 1.9 0.0 0.00 59.2 55.6 10.3 18.3 10.1 116 23 66.2 22.4 19.0 1.8 0.0 0.00 58.5 55.6 9.6 15.0 9.2 131 24 65.7 21.8 19.0 1.8 0.0 0.00 57.7 55.8 9.6 16.1 9.2 136 AZMET Daily Weather Data : TUCSON : Feb 4 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 78.6 37.8 61.0 DegF RELATIVE HUMIDITY 74.0 10.0 32.0 % DEWPOINT 24.6 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.6 KPas SOIL TEMP. 4 in 62.8 49.5 56.1 DegF SOIL TEMP. 20 in 55.9 55.4 55.8 DegF WIND SPEED 21.0 6.5 MPH WIND VECTOR MAG. 5.8 MPH WIND VECTOR DIR. 98 Degrees SOLAR RADIATION 386.5 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.20 Inches STD. REF. EVAPOTRANSPIRATION 0.18 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 8.2 212 11.1 313 14.4 436 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 5 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 65.5 21.2 18.0 1.8 0.0 0.00 57.2 55.8 11.2 18.3 10.7 124 2 65.8 20.6 17.0 1.8 0.0 0.00 56.7 55.9 11.6 18.8 11.2 114 3 65.1 20.6 18.0 1.7 0.0 0.00 56.3 55.9 9.8 17.7 9.4 117 4 65.1 20.6 18.0 1.7 0.0 0.00 55.9 55.9 12.8 21.0 12.3 118 5 64.2 21.2 19.0 1.7 0.0 0.00 55.8 55.9 11.6 18.8 11.2 116 6 63.5 21.2 20.0 1.6 0.0 0.00 55.4 55.9 10.1 15.9 9.8 128 7 63.5 21.2 19.0 1.6 0.0 0.00 55.0 55.9 11.0 17.2 10.7 124 8 63.9 20.6 19.0 1.6 4.3 0.00 54.9 55.9 12.3 21.7 11.9 123 9 65.1 21.2 19.0 1.7 15.3 0.00 54.7 55.9 12.1 19.7 11.6 129 10 66.2 21.2 18.0 1.8 21.0 0.00 55.0 55.9 11.9 19.5 11.4 122 11 70.9 20.6 15.0 2.2 48.0 0.00 55.9 55.9 12.1 18.1 11.6 111 12 71.2 20.6 15.0 2.2 33.0 0.00 57.6 55.9 10.3 20.4 9.8 120 13 73.0 21.8 14.0 2.4 49.0 0.00 58.8 55.9 9.4 17.7 8.7 109 14 73.6 21.8 14.0 2.4 32.7 0.00 60.4 55.9 8.3 14.5 7.8 110 15 73.6 22.9 15.0 2.4 22.5 0.00 61.5 55.9 6.9 13.6 6.5 114 16 73.0 24.0 16.0 2.3 14.6 0.00 62.1 55.9 6.3 10.7 5.8 107 17 72.3 24.6 17.0 2.3 12.7 0.00 62.1 55.9 6.9 12.3 6.7 103 18 70.7 25.6 18.0 2.1 3.1 0.00 62.1 55.9 4.3 9.2 4.0 103 19 69.1 25.6 19.0 2.0 0.0 0.00 61.5 55.9 4.3 8.7 3.8 146 20 67.3 26.1 21.0 1.8 0.0 0.00 60.8 56.1 4.3 8.1 4.0 98 21 64.4 26.6 24.0 1.6 0.0 0.00 60.1 56.1 3.6 6.3 3.4 108 22 59.2 28.5 31.0 1.2 0.0 0.00 59.4 56.1 1.6 4.5 1.6 66 23 55.6 29.0 36.0 1.0 0.0 0.00 58.3 56.1 2.7 4.3 2.5 80 24 57.6 28.0 32.0 1.1 0.0 0.00 57.4 56.3 4.3 7.4 4.0 98 AZMET Daily Weather Data : TUCSON : Feb 5 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 75.4 54.7 66.6 DegF RELATIVE HUMIDITY 38.0 13.0 20.0 % DEWPOINT 23.5 DegF ACTUAL VAPOR PRESS. 0.4 KPas VAPOR PRESS. DEF. 1.8 KPas SOIL TEMP. 4 in 62.1 54.7 58.1 DegF SOIL TEMP. 20 in 56.3 55.8 55.9 DegF WIND SPEED 21.7 8.3 MPH WIND VECTOR MAG. 7.8 MPH WIND VECTOR DIR. 116 Degrees SOLAR RADIATION 256.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.18 Inches STD. REF. EVAPOTRANSPIRATION 0.21 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 10.0 222 15.0 328 20.0 456 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 6 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 55.2 29.0 36.0 1.0 0.0 0.00 56.7 56.3 0.9 4.7 0.7 96 2 50.9 30.3 45.0 0.7 0.0 0.00 55.9 56.3 2.0 5.6 1.3 76 3 48.0 31.1 52.0 0.5 0.0 0.00 55.2 56.5 1.6 5.4 1.6 82 4 46.8 31.1 55.0 0.5 0.0 0.00 54.3 56.5 1.3 4.7 1.3 98 5 45.5 31.1 57.0 0.5 0.0 0.00 53.6 56.5 1.8 4.7 1.8 74 6 43.9 31.6 61.0 0.4 0.0 0.00 53.1 56.5 1.8 4.3 1.8 67 7 43.3 31.6 63.0 0.4 0.0 0.00 52.3 56.5 2.9 4.9 2.7 77 8 43.5 32.0 63.0 0.4 3.4 0.00 51.8 56.5 2.9 5.4 2.7 74 9 54.0 31.1 42.0 0.8 17.2 0.00 51.4 56.5 3.6 6.0 3.4 99 10 61.5 31.6 32.0 1.3 32.0 0.00 52.0 56.3 2.5 4.9 2.2 98 11 67.8 32.0 26.0 1.7 44.7 0.00 53.4 56.3 3.4 6.0 2.9 80 12 73.4 31.6 22.0 2.2 54.7 0.00 55.8 56.3 3.4 7.6 2.9 100 13 77.2 32.4 19.0 2.6 58.3 0.00 58.5 56.3 2.9 8.9 1.8 185 14 77.4 30.3 18.0 2.6 56.9 0.00 61.2 56.1 4.7 10.1 3.1 191 15 78.6 29.0 16.0 2.8 48.5 0.00 63.5 56.1 3.8 9.2 2.7 183 16 78.1 30.3 17.0 2.7 29.2 0.00 65.1 56.1 3.6 10.3 3.1 210 17 77.9 29.0 17.0 2.7 15.1 0.00 65.5 56.1 1.3 5.8 0.4 143 18 76.5 29.4 18.0 2.6 6.2 0.00 65.1 56.1 1.8 5.1 1.6 38 19 67.5 32.8 28.0 1.7 0.0 0.00 64.2 56.1 0.2 2.2 0.2 66 20 61.9 35.7 38.0 1.2 0.0 0.00 63.0 56.1 1.1 3.1 1.1 63 21 58.8 35.0 41.0 1.0 0.0 0.00 61.5 56.1 1.3 4.9 0.9 94 22 56.8 35.4 44.0 0.9 0.0 0.00 60.4 56.3 1.8 4.9 1.8 72 23 56.5 34.3 43.0 0.9 0.0 0.00 59.4 56.3 2.7 4.3 1.8 101 24 56.7 35.0 44.0 0.9 0.0 0.00 58.5 56.5 3.4 6.3 2.0 93 AZMET Daily Weather Data : TUCSON : Feb 6 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 81.7 42.3 60.8 DegF RELATIVE HUMIDITY 67.0 14.0 37.0 % DEWPOINT 32.0 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 65.5 51.4 57.9 DegF SOIL TEMP. 20 in 56.5 56.1 56.3 DegF WIND SPEED 10.3 2.2 MPH WIND VECTOR MAG. 1.3 MPH WIND VECTOR DIR. 102 Degrees SOLAR RADIATION 366.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.11 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 10.2 232 13.4 342 17.3 474 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 7 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 56.8 34.7 43.0 0.9 0.0 0.00 57.7 56.5 2.2 4.9 1.8 104 2 56.5 34.3 43.0 0.9 0.0 0.00 57.4 56.7 2.9 5.6 2.7 79 3 55.9 35.4 46.0 0.8 0.0 0.00 56.8 56.7 2.0 4.3 1.8 80 4 55.8 35.4 46.0 0.8 0.0 0.00 56.5 56.7 2.2 5.6 1.6 79 5 58.3 35.0 42.0 1.0 0.0 0.00 56.1 56.7 2.2 6.3 2.0 118 6 61.3 37.8 42.0 1.1 0.0 0.00 55.9 56.7 2.2 6.9 1.8 142 7 58.1 39.1 49.0 0.8 0.0 0.00 55.8 56.7 1.8 4.7 1.1 145 8 55.9 38.8 53.0 0.7 1.4 0.00 55.4 56.7 2.2 6.3 2.0 100 9 58.8 38.5 47.0 0.9 10.5 0.00 55.0 56.7 2.5 4.7 2.2 94 10 66.6 40.3 38.0 1.4 29.9 0.00 55.2 56.7 4.7 10.3 4.3 124 11 72.3 40.9 32.0 1.8 45.7 0.00 56.5 56.7 6.3 10.3 5.8 124 12 75.2 40.6 29.0 2.1 54.0 0.00 58.6 56.7 7.4 13.4 6.7 147 13 76.8 40.3 27.0 2.3 57.8 0.00 61.0 56.7 6.0 12.3 5.4 147 14 78.4 38.1 24.0 2.5 56.4 0.00 63.5 56.7 4.3 9.4 2.9 125 15 79.9 35.7 21.0 2.8 50.0 0.00 65.7 56.7 3.6 9.4 1.6 176 16 80.6 32.8 18.0 2.9 38.5 0.00 67.3 56.7 3.8 10.7 2.2 289 17 79.9 32.4 18.0 2.9 22.0 0.00 68.0 56.7 3.8 10.7 2.7 290 18 75.4 32.8 21.0 2.4 3.6 0.00 67.6 56.7 2.7 5.1 2.5 291 19 69.8 34.7 27.0 1.8 0.0 0.00 66.6 56.7 0.7 2.9 0.7 302 20 68.5 36.4 31.0 1.7 0.0 0.00 65.1 56.8 1.6 7.2 1.3 69 21 68.7 38.1 32.0 1.6 0.0 0.00 64.0 56.8 3.6 8.5 2.9 138 22 67.8 40.0 36.0 1.5 0.0 0.00 63.1 57.0 4.7 8.9 4.5 155 23 63.3 40.0 43.0 1.2 0.0 0.00 62.2 57.0 1.8 5.4 0.7 136 24 57.2 40.3 53.0 0.8 0.0 0.00 61.2 57.2 0.7 3.1 0.7 67 AZMET Daily Weather Data : TUCSON : Feb 7 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 82.9 55.0 66.6 DegF RELATIVE HUMIDITY 57.0 15.0 36.0 % DEWPOINT 37.5 DegF ACTUAL VAPOR PRESS. 0.8 KPas VAPOR PRESS. DEF. 1.6 KPas SOIL TEMP. 4 in 68.0 55.0 60.4 DegF SOIL TEMP. 20 in 57.2 56.5 56.7 DegF WIND SPEED 13.4 3.1 MPH WIND VECTOR MAG. 1.6 MPH WIND VECTOR DIR. 128 Degrees SOLAR RADIATION 369.7 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.15 Inches STD. REF. EVAPOTRANSPIRATION 0.13 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 14.0 246 19.0 361 24.0 498 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 8 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 54.3 40.0 59.0 0.6 0.0 0.00 60.1 57.2 1.6 4.0 1.1 69 2 52.5 40.0 62.0 0.5 0.0 0.00 59.2 57.4 1.3 4.9 1.3 97 3 52.3 39.4 61.0 0.5 0.0 0.00 58.3 57.4 2.2 4.7 1.6 93 4 50.2 39.7 67.0 0.4 0.0 0.00 57.4 57.4 0.9 3.1 0.4 63 5 48.4 39.1 71.0 0.3 0.0 0.00 56.7 57.4 2.0 5.4 1.8 77 6 47.3 38.8 73.0 0.3 0.0 0.00 55.9 57.6 2.0 4.5 1.6 83 7 46.2 38.8 75.0 0.3 0.0 0.00 55.2 57.6 2.5 4.3 2.2 90 8 46.6 38.8 74.0 0.3 3.6 0.00 54.5 57.6 1.3 2.9 1.1 74 9 56.5 40.6 55.0 0.7 17.7 0.00 54.1 57.6 0.9 3.6 0.9 59 10 63.3 40.3 43.0 1.1 33.5 0.00 54.7 57.6 1.6 4.5 1.1 122 11 71.2 40.9 33.0 1.8 46.4 0.00 56.1 57.4 2.7 8.9 1.8 144 12 77.5 37.1 23.0 2.5 55.0 0.00 58.5 57.4 4.5 8.9 3.6 175 13 80.1 34.3 19.0 2.8 58.8 0.00 61.2 57.4 3.6 8.9 2.7 187 14 80.6 33.2 18.0 2.9 56.6 0.00 63.9 57.4 4.5 10.3 2.5 245 15 81.1 33.9 18.0 3.0 49.5 0.00 66.0 57.2 6.9 18.1 6.0 310 16 80.4 32.8 18.0 2.9 37.8 0.00 67.5 57.2 8.5 13.6 7.8 304 17 79.7 32.4 18.0 2.8 22.5 0.00 68.2 57.2 7.4 13.4 6.9 286 18 77.0 30.7 18.0 2.6 7.2 0.00 67.8 57.2 7.8 11.6 7.6 291 19 73.2 28.5 19.0 2.3 0.0 0.00 66.7 57.2 5.6 10.7 5.4 313 20 69.3 31.6 25.0 1.8 0.0 0.00 65.5 57.4 4.3 6.3 4.0 293 21 65.5 32.8 30.0 1.5 0.0 0.00 64.2 57.4 2.7 6.3 0.9 190 22 59.7 33.9 38.0 1.1 0.0 0.00 63.0 57.6 2.5 5.4 1.6 92 23 56.1 34.3 44.0 0.9 0.0 0.00 61.9 57.6 1.6 4.0 1.6 85 24 53.6 34.7 49.0 0.7 0.0 0.00 60.6 57.6 2.2 3.6 2.0 87 AZMET Daily Weather Data : TUCSON : Feb 8 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 82.6 44.8 63.5 DegF RELATIVE HUMIDITY 79.0 16.0 42.0 % DEWPOINT 36.4 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 68.2 54.1 60.8 DegF SOIL TEMP. 20 in 57.6 57.2 57.4 DegF WIND SPEED 18.1 3.4 MPH WIND VECTOR MAG. 0.7 MPH WIND VECTOR DIR. 302 Degrees SOLAR RADIATION 388.4 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.16 Inches STD. REF. EVAPOTRANSPIRATION 0.13 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 11.0 257 14.5 375 18.5 516 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 9 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 50.9 35.0 55.0 0.6 0.0 0.00 59.5 57.7 1.3 3.4 1.3 79 2 49.8 34.3 55.0 0.6 0.0 0.00 58.6 57.7 3.4 5.6 3.1 84 3 50.2 33.5 53.0 0.6 0.0 0.00 57.7 57.9 1.1 4.7 1.1 92 4 47.3 33.5 59.0 0.5 0.0 0.00 56.8 57.9 0.9 3.6 0.9 60 5 45.5 33.9 63.0 0.4 0.0 0.00 56.1 57.9 1.3 4.5 1.1 73 6 44.6 33.9 65.0 0.4 0.0 0.00 55.4 57.9 1.6 3.6 1.3 79 7 44.4 33.9 66.0 0.3 0.0 0.00 54.7 57.9 2.7 4.5 2.5 80 8 45.5 33.5 63.0 0.4 3.8 0.00 54.0 57.9 2.2 4.9 2.0 90 9 54.5 33.5 45.0 0.8 18.2 0.00 53.6 57.9 3.1 5.6 2.9 121 10 62.4 33.5 34.0 1.3 33.5 0.00 54.1 57.9 3.1 5.6 2.7 93 11 70.9 32.8 25.0 2.0 46.4 0.00 55.6 57.7 2.9 6.3 2.5 94 12 76.5 31.1 19.0 2.5 55.0 0.00 58.1 57.7 4.0 8.9 3.6 111 13 79.9 28.0 15.0 3.0 58.8 0.00 60.8 57.7 4.9 11.0 4.5 116 14 82.0 29.0 14.0 3.2 57.1 0.00 63.5 57.7 4.0 8.9 2.7 148 15 83.7 29.9 14.0 3.4 50.0 0.00 65.8 57.6 3.1 10.3 1.6 180 16 84.7 29.0 13.0 3.5 38.2 0.00 67.6 57.6 2.7 14.8 2.0 178 17 84.4 28.0 13.0 3.5 22.9 0.00 68.5 57.6 2.2 6.3 1.3 264 18 86.4 28.5 13.0 3.8 7.4 0.00 68.4 57.6 0.4 3.1 0.4 341 19 74.8 30.7 20.0 2.4 0.0 0.00 67.3 57.6 5.1 11.9 4.9 279 20 71.8 29.4 21.0 2.1 0.0 0.00 66.0 57.6 6.7 13.0 6.3 299 21 70.3 29.0 21.0 2.0 0.0 0.00 64.8 57.7 4.0 9.4 3.4 296 22 64.4 31.1 29.0 1.5 0.0 0.00 63.5 57.7 3.4 8.5 1.8 83 23 62.4 32.4 33.0 1.3 0.0 0.00 62.4 57.7 1.6 5.8 0.9 110 24 57.9 33.5 40.0 1.0 0.0 0.00 61.3 57.9 2.5 5.8 2.2 93 AZMET Daily Weather Data : TUCSON : Feb 9 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 88.3 43.7 64.4 DegF RELATIVE HUMIDITY 68.0 11.0 35.0 % DEWPOINT 32.0 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.7 KPas SOIL TEMP. 4 in 68.5 53.6 60.6 DegF SOIL TEMP. 20 in 57.9 57.6 57.7 DegF WIND SPEED 14.8 2.9 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 100 Degrees SOLAR RADIATION 391.5 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.16 Inches STD. REF. EVAPOTRANSPIRATION 0.14 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 13.4 270 16.9 392 20.8 537 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 10 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 59.7 33.2 37.0 1.1 0.0 0.00 60.6 57.9 3.1 6.3 2.9 109 2 59.4 33.2 37.0 1.1 0.0 0.00 59.9 58.1 3.4 5.8 2.9 101 3 55.9 33.9 43.0 0.9 0.0 0.00 59.2 58.1 3.1 5.6 2.9 92 4 54.0 34.7 48.0 0.7 0.0 0.00 58.5 58.1 2.5 4.7 2.2 78 5 52.5 34.7 51.0 0.7 0.0 0.00 57.7 58.3 4.0 6.3 3.8 94 6 51.6 34.7 53.0 0.6 0.0 0.00 57.0 58.3 2.9 6.0 2.7 88 7 50.9 34.7 54.0 0.6 0.0 0.00 56.5 58.3 3.4 6.3 3.1 108 8 51.4 35.0 53.0 0.6 3.8 0.00 55.8 58.3 2.7 4.9 2.5 83 9 57.2 36.1 45.0 0.9 17.9 0.00 55.4 58.3 2.7 5.4 2.5 83 10 66.9 35.7 32.0 1.6 33.2 0.00 55.9 58.3 4.9 9.4 4.7 104 11 72.7 36.4 27.0 2.0 44.9 0.00 57.4 58.1 5.1 10.3 4.7 114 12 75.2 38.1 26.0 2.2 43.5 0.00 59.5 58.1 3.4 8.1 2.2 137 13 77.7 38.8 25.0 2.5 54.5 0.00 61.7 58.1 3.4 7.8 1.6 79 14 78.1 38.8 25.0 2.5 46.1 0.00 63.9 58.1 3.4 8.9 0.9 257 15 78.6 38.8 24.0 2.6 44.9 0.00 65.8 58.1 3.8 11.0 2.7 211 16 78.8 38.1 23.0 2.6 34.4 0.00 67.3 57.9 4.5 10.5 3.4 252 17 77.7 37.1 23.0 2.5 18.2 0.00 67.8 57.9 4.9 10.1 4.5 233 18 75.9 37.5 25.0 2.3 6.2 0.00 67.6 57.9 5.4 10.7 5.4 244 19 72.7 38.1 29.0 2.0 0.0 0.00 66.9 57.9 2.5 6.9 2.5 234 20 67.5 39.1 35.0 1.5 0.0 0.00 65.7 58.1 0.2 2.2 0.0 108 21 63.7 40.6 43.0 1.2 0.0 0.00 64.4 58.1 1.8 4.3 1.8 82 22 61.5 40.9 47.0 1.0 0.0 0.00 63.3 58.1 2.2 4.3 2.2 80 23 62.6 41.8 46.0 1.0 0.0 0.00 62.4 58.3 2.2 4.9 1.8 94 24 61.9 42.4 49.0 1.0 0.0 0.00 61.7 58.3 2.9 5.6 2.7 75 AZMET Daily Weather Data : TUCSON : Feb 10 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 80.6 50.0 65.1 DegF RELATIVE HUMIDITY 56.0 21.0 37.0 % DEWPOINT 37.5 DegF ACTUAL VAPOR PRESS. 0.8 KPas VAPOR PRESS. DEF. 1.5 KPas SOIL TEMP. 4 in 68.0 55.4 61.3 DegF SOIL TEMP. 20 in 58.3 57.9 58.1 DegF WIND SPEED 11.0 3.1 MPH WIND VECTOR MAG. 1.3 MPH WIND VECTOR DIR. 117 Degrees SOLAR RADIATION 348.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.12 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 11.2 282 15.3 407 20.3 557 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 11 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 61.7 42.9 50.0 0.9 0.0 0.00 61.0 58.5 2.7 5.1 2.5 92 2 61.9 43.5 51.0 0.9 0.0 0.00 60.4 58.5 3.1 5.4 3.1 82 3 61.2 44.3 54.0 0.9 0.0 0.00 60.1 58.5 2.9 4.9 2.7 93 4 59.7 44.8 58.0 0.7 0.0 0.00 59.5 58.5 2.5 4.3 2.5 77 5 58.8 44.8 60.0 0.7 0.0 0.00 59.2 58.6 3.1 5.6 3.1 92 6 57.0 44.5 63.0 0.6 0.0 0.00 58.8 58.6 1.8 5.6 1.8 94 7 55.0 44.5 68.0 0.5 0.0 0.00 58.3 58.6 2.9 4.3 2.9 84 8 55.2 44.8 68.0 0.5 4.8 0.00 57.7 58.6 3.6 6.5 3.6 99 9 62.4 45.8 55.0 0.9 19.4 0.00 57.4 58.6 4.7 10.1 4.3 108 10 67.6 45.8 46.0 1.3 34.2 0.00 57.9 58.6 4.9 9.4 4.7 119 11 72.1 46.1 39.0 1.6 46.9 0.00 59.4 58.6 4.5 8.7 3.8 118 12 75.4 44.8 34.0 2.0 55.5 0.00 61.5 58.5 3.6 8.9 2.7 156 13 77.0 42.1 29.0 2.3 59.3 0.00 64.0 58.5 4.3 9.8 2.7 163 14 78.6 40.0 25.0 2.5 58.3 0.00 66.6 58.5 5.1 12.8 3.4 155 15 79.7 37.8 22.0 2.7 52.1 0.00 68.7 58.5 4.7 11.6 2.5 220 16 78.1 39.1 25.0 2.5 18.6 0.00 70.0 58.5 3.4 10.1 1.6 215 17 76.8 38.8 26.0 2.4 9.1 0.00 70.0 58.5 3.4 7.4 2.9 327 18 76.3 38.5 25.0 2.3 5.0 0.00 69.3 58.5 5.1 9.6 4.7 313 19 72.7 38.5 29.0 2.0 0.0 0.00 68.4 58.5 2.9 7.6 2.9 301 20 70.5 38.8 32.0 1.8 0.0 0.00 67.3 58.6 7.2 14.1 6.9 296 21 67.1 40.9 38.0 1.4 0.0 0.00 66.2 58.6 4.5 9.2 4.5 306 22 65.5 41.2 41.0 1.3 0.0 0.00 65.1 58.8 4.9 8.3 4.9 295 23 64.2 41.5 44.0 1.2 0.0 0.00 64.2 58.8 4.7 9.2 4.5 275 24 63.1 41.8 46.0 1.1 0.0 0.00 63.5 59.0 1.8 4.7 0.9 245 AZMET Daily Weather Data : TUCSON : Feb 11 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 81.1 53.8 67.5 DegF RELATIVE HUMIDITY 72.0 20.0 43.0 % DEWPOINT 42.4 DegF ACTUAL VAPOR PRESS. 0.9 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 70.2 57.4 63.1 DegF SOIL TEMP. 20 in 59.0 58.3 58.6 DegF WIND SPEED 14.1 3.8 MPH WIND VECTOR MAG. 0.2 MPH WIND VECTOR DIR. 102 Degrees SOLAR RADIATION 363.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.15 Inches STD. REF. EVAPOTRANSPIRATION 0.14 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 12.7 294 17.5 425 22.5 580 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 12 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 61.3 41.5 48.0 1.0 0.0 0.00 62.6 59.0 1.8 4.9 1.1 100 2 58.3 41.2 53.0 0.8 0.0 0.00 61.9 59.2 2.0 4.3 1.6 81 3 58.5 40.0 50.0 0.8 0.0 0.00 61.2 59.2 3.1 5.4 3.1 100 4 57.9 40.3 52.0 0.8 0.0 0.00 60.4 59.2 3.4 5.8 3.4 95 5 56.8 41.2 56.0 0.7 0.0 0.00 59.9 59.2 2.0 4.3 2.0 99 6 55.0 41.5 60.0 0.6 0.0 0.00 59.4 59.2 1.6 3.1 1.3 74 7 54.0 41.5 63.0 0.5 0.0 0.00 58.8 59.4 0.7 3.4 0.7 75 8 52.3 41.8 67.0 0.4 2.6 0.00 58.3 59.4 0.4 2.2 0.4 68 9 59.4 42.1 53.0 0.8 17.5 0.00 57.7 59.4 0.9 3.6 0.9 70 10 65.1 40.6 41.0 1.3 32.3 0.00 58.3 59.2 2.2 5.6 1.8 93 11 70.5 40.0 33.0 1.7 46.9 0.00 59.5 59.2 2.7 6.9 1.6 156 12 73.9 40.0 29.0 2.0 44.7 0.00 61.5 59.2 1.6 5.1 0.4 214 13 74.7 39.7 28.0 2.1 42.1 0.00 63.5 59.2 1.8 5.6 1.6 307 14 76.1 39.4 27.0 2.3 52.1 0.00 65.3 59.2 3.4 8.5 2.5 267 15 77.5 38.1 24.0 2.4 43.5 0.00 67.3 59.2 3.8 8.3 2.7 301 16 77.4 37.5 24.0 2.5 34.7 0.00 68.5 59.0 2.9 7.8 2.5 244 17 77.5 37.1 23.0 2.5 18.9 0.00 69.3 59.0 1.6 5.6 1.1 264 18 76.8 36.4 23.0 2.4 7.2 0.00 69.1 59.0 0.4 3.1 0.2 323 19 69.4 38.5 32.0 1.7 0.0 0.00 68.2 59.2 0.0 1.6 0.0 20 20 67.1 39.7 37.0 1.4 0.0 0.00 67.1 59.2 0.7 3.1 0.4 288 21 66.6 40.3 38.0 1.4 0.0 0.00 66.0 59.2 1.3 4.9 0.9 99 22 64.2 40.6 42.0 1.2 0.0 0.00 64.9 59.4 1.3 4.3 1.3 93 23 63.0 40.9 44.0 1.1 0.0 0.00 64.2 59.4 2.0 3.6 1.6 68 24 63.3 40.3 43.0 1.1 0.0 0.00 63.3 59.4 3.4 5.1 2.9 108 AZMET Daily Weather Data : TUCSON : Feb 12 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 79.9 51.1 65.7 DegF RELATIVE HUMIDITY 70.0 21.0 41.0 % DEWPOINT 40.0 DegF ACTUAL VAPOR PRESS. 0.8 KPas VAPOR PRESS. DEF. 1.4 KPas SOIL TEMP. 4 in 69.3 57.7 63.1 DegF SOIL TEMP. 20 in 59.4 59.0 59.2 DegF WIND SPEED 8.5 1.8 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 95 Degrees SOLAR RADIATION 342.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 11.0 305 15.5 440 20.5 600 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 13 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 64.2 38.8 39.0 1.3 0.0 0.00 62.8 59.5 3.1 6.7 1.6 135 2 59.9 39.4 47.0 0.9 0.0 0.00 62.1 59.5 1.8 4.0 1.6 71 3 57.9 39.4 50.0 0.8 0.0 0.00 61.3 59.5 2.2 5.1 2.2 85 4 57.0 39.7 52.0 0.8 0.0 0.00 60.6 59.7 2.2 4.9 2.2 81 5 57.4 40.0 52.0 0.8 0.0 0.00 60.3 59.7 2.7 6.0 2.2 83 6 59.0 39.7 49.0 0.9 0.0 0.00 59.7 59.7 3.4 9.6 2.2 98 7 61.0 41.8 49.0 0.9 0.0 0.00 59.5 59.7 4.0 9.2 2.5 108 8 61.2 41.8 49.0 0.9 0.7 0.00 59.2 59.7 4.7 9.2 4.0 112 9 59.4 43.2 55.0 0.8 2.9 0.01 59.0 59.7 5.6 11.6 4.3 281 10 61.0 44.3 55.0 0.8 16.0 0.00 58.8 59.7 2.2 9.8 1.8 317 11 61.7 42.6 49.0 1.0 10.0 0.00 59.2 59.7 2.9 5.6 2.7 141 12 62.2 41.2 46.0 1.0 24.1 0.00 59.5 59.5 4.7 8.3 4.3 100 13 64.8 40.0 40.0 1.3 37.1 0.00 60.3 59.5 5.4 10.7 4.5 107 14 63.1 41.8 46.0 1.1 11.7 0.01 61.0 59.5 4.0 11.6 1.1 132 15 60.4 45.8 58.0 0.7 15.1 0.00 61.2 59.5 4.5 11.0 2.0 346 16 59.9 44.0 56.0 0.8 15.1 0.00 61.2 59.5 2.9 10.7 2.0 308 17 61.5 42.9 50.0 0.9 10.8 0.00 61.3 59.5 2.9 6.7 2.2 89 18 59.7 43.5 55.0 0.8 1.9 0.00 61.2 59.4 3.8 12.8 0.9 92 19 57.9 43.2 58.0 0.7 0.0 0.00 60.6 59.4 6.3 13.0 6.0 316 20 53.6 47.5 80.0 0.3 0.0 0.02 60.1 59.4 7.6 17.4 7.2 312 21 51.8 48.2 88.0 0.2 0.0 0.02 59.4 59.4 5.4 10.3 5.1 341 22 51.6 46.8 83.0 0.2 0.0 0.00 58.8 59.4 2.0 5.1 1.8 332 23 51.8 47.3 85.0 0.2 0.0 0.00 58.3 59.4 0.9 3.4 0.9 145 24 50.7 47.3 88.0 0.2 0.0 0.00 57.7 59.4 1.8 4.3 1.8 99 AZMET Daily Weather Data : TUCSON : Feb 13 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 66.9 49.5 58.6 DegF RELATIVE HUMIDITY 92.0 35.0 58.0 % DEWPOINT 43.2 DegF ACTUAL VAPOR PRESS. 1.0 KPas VAPOR PRESS. DEF. 0.8 KPas SOIL TEMP. 4 in 63.3 57.7 60.3 DegF SOIL TEMP. 20 in 59.7 59.4 59.5 DegF WIND SPEED 17.4 3.6 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 48 Degrees SOLAR RADIATION 145.3 Langleys PRECIPITATION 0.06 Inches AZMET REF. EVAPOTRANSPIRATION 0.04 Inches STD. REF. EVAPOTRANSPIRATION 0.08 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 4.5 310 8.2 449 13.2 613 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 14 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 49.6 47.3 92.0 0.1 0.0 0.00 57.0 59.4 0.2 2.2 0.2 106 2 50.4 47.5 91.0 0.1 0.0 0.01 56.7 59.4 2.0 4.3 2.0 76 3 49.6 46.8 90.0 0.1 0.0 0.00 56.3 59.4 2.2 5.1 2.2 106 4 48.2 45.8 91.0 0.1 0.0 0.00 55.8 59.4 2.2 4.5 2.0 110 5 46.6 44.5 93.0 0.1 0.0 0.00 55.0 59.4 1.3 2.9 1.1 67 6 45.3 44.0 95.0 0.1 0.0 0.00 54.3 59.2 1.1 3.1 1.1 94 7 44.8 43.2 94.0 0.1 0.0 0.00 53.8 59.2 1.1 3.6 1.1 102 8 44.6 43.2 94.0 0.1 6.0 0.00 53.2 59.2 2.5 3.6 2.2 91 9 50.0 44.8 82.0 0.2 23.7 0.00 52.9 59.2 2.9 5.4 2.9 104 10 55.0 45.8 71.0 0.4 37.8 0.00 53.6 59.0 3.1 6.3 2.9 104 11 59.4 44.3 57.0 0.7 48.5 0.00 55.2 59.0 2.7 6.9 2.0 140 12 62.4 43.2 49.0 1.0 57.4 0.00 57.4 59.0 2.2 6.3 0.9 154 13 64.2 42.4 45.0 1.1 61.2 0.00 59.7 58.8 3.4 9.6 1.8 262 14 65.8 40.6 39.0 1.3 59.8 0.00 62.1 58.8 4.5 10.3 3.8 301 15 67.3 38.5 35.0 1.5 52.8 0.00 64.0 58.8 5.4 12.1 4.5 301 16 67.8 39.1 35.0 1.5 40.6 0.00 65.3 58.6 5.8 12.1 4.9 289 17 67.6 38.1 34.0 1.5 25.1 0.00 65.8 58.6 4.9 10.3 4.0 292 18 66.0 37.5 35.0 1.4 8.8 0.00 65.5 58.6 4.9 8.7 4.7 294 19 61.5 35.4 38.0 1.2 0.2 0.00 64.4 58.6 1.3 5.6 1.3 318 20 55.9 38.5 52.0 0.7 0.0 0.00 62.8 58.6 0.2 2.5 0.2 43 21 53.8 40.3 60.0 0.6 0.0 0.00 61.3 58.8 0.7 3.6 0.7 73 22 51.3 40.6 67.0 0.4 0.0 0.00 60.1 58.8 1.1 3.8 1.1 64 23 51.1 40.9 68.0 0.4 0.0 0.00 58.8 58.8 1.8 3.6 1.6 80 24 49.3 40.9 73.0 0.3 0.0 0.00 57.9 58.8 1.6 2.7 1.3 66 AZMET Daily Weather Data : TUCSON : Feb 14 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 68.9 43.7 55.4 DegF RELATIVE HUMIDITY 96.0 28.0 66.0 % DEWPOINT 42.4 DegF ACTUAL VAPOR PRESS. 0.9 KPas VAPOR PRESS. DEF. 0.6 KPas SOIL TEMP. 4 in 65.8 52.9 58.6 DegF SOIL TEMP. 20 in 59.4 58.6 59.0 DegF WIND SPEED 12.1 2.5 MPH WIND VECTOR MAG. 0.2 MPH WIND VECTOR DIR. 10 Degrees SOLAR RADIATION 421.6 Langleys PRECIPITATION 0.01 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.10 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 4.7 314 7.7 456 11.5 625 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 15 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 46.6 40.6 80.0 0.2 0.0 0.00 56.8 59.0 0.4 2.9 0.2 24 2 45.0 40.3 84.0 0.2 0.0 0.00 55.9 59.0 0.2 2.9 0.0 127 3 44.2 40.0 85.0 0.2 0.0 0.00 55.0 59.0 1.3 4.7 1.3 71 4 44.1 39.1 83.0 0.2 0.0 0.00 54.3 59.0 1.6 5.1 1.1 88 5 42.8 38.8 86.0 0.1 0.0 0.00 53.6 59.0 0.7 2.7 0.4 66 6 41.9 38.5 87.0 0.1 0.0 0.00 53.1 59.0 0.7 3.4 0.2 64 7 44.1 38.1 80.0 0.2 0.0 0.00 52.5 59.0 3.8 6.7 3.6 79 8 44.1 38.1 80.0 0.2 3.1 0.00 52.0 59.0 2.0 5.6 1.8 75 9 50.0 39.4 67.0 0.4 11.0 0.00 51.8 58.8 2.0 5.4 1.3 116 10 56.1 39.7 54.0 0.7 28.7 0.00 52.3 58.8 2.0 6.9 2.0 101 11 61.9 38.1 41.0 1.1 46.9 0.00 53.8 58.8 5.1 9.2 4.9 113 12 66.4 36.8 34.0 1.5 56.4 0.00 55.9 58.6 6.0 10.5 5.4 111 13 70.7 36.1 28.0 1.9 62.4 0.00 58.5 58.6 4.9 9.2 4.0 114 14 72.5 33.2 24.0 2.1 56.2 0.00 61.3 58.5 5.4 11.2 4.7 127 15 73.8 33.5 23.0 2.2 50.9 0.00 63.5 58.5 5.1 11.6 4.5 187 16 75.0 33.5 22.0 2.3 41.4 0.00 65.1 58.5 3.1 9.2 2.2 142 17 75.0 32.8 21.0 2.3 24.1 0.00 66.0 58.3 3.6 7.6 3.1 94 18 75.4 32.0 20.0 2.4 9.8 0.00 66.0 58.3 1.6 5.6 1.3 74 19 69.1 35.4 29.0 1.7 0.2 0.00 65.1 58.3 0.9 2.9 0.9 66 20 62.4 37.5 40.0 1.2 0.0 0.00 63.7 58.3 2.2 5.4 1.6 75 21 60.8 38.1 43.0 1.0 0.0 0.00 62.4 58.5 1.3 6.3 1.1 68 22 59.2 37.5 44.0 1.0 0.0 0.00 61.3 58.5 3.4 6.0 3.4 85 23 57.0 37.8 49.0 0.8 0.0 0.00 60.4 58.5 3.6 5.8 3.6 94 24 55.6 38.5 52.0 0.7 0.0 0.00 59.4 58.6 2.9 5.4 2.5 100 AZMET Daily Weather Data : TUCSON : Feb 15 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 76.3 41.2 58.1 DegF RELATIVE HUMIDITY 90.0 19.0 52.0 % DEWPOINT 37.5 DegF ACTUAL VAPOR PRESS. 0.8 KPas VAPOR PRESS. DEF. 1.0 KPas SOIL TEMP. 4 in 66.2 51.8 58.3 DegF SOIL TEMP. 20 in 59.0 58.3 58.6 DegF WIND SPEED 11.6 2.7 MPH WIND VECTOR MAG. 2.0 MPH WIND VECTOR DIR. 105 Degrees SOLAR RADIATION 391.0 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.13 Inches STD. REF. EVAPOTRANSPIRATION 0.11 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.7 322 10.7 467 14.2 639 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 16 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 52.3 38.1 58.0 0.6 0.0 0.00 58.5 58.6 3.4 4.9 3.1 89 2 53.8 35.7 51.0 0.7 0.0 0.00 57.6 58.6 4.0 6.7 3.8 98 3 55.0 33.5 44.0 0.8 0.0 0.00 56.8 58.8 3.6 6.0 3.6 105 4 51.6 34.7 52.0 0.6 0.0 0.00 56.1 58.8 2.9 5.8 2.2 115 5 48.4 35.7 61.0 0.5 0.0 0.00 55.4 58.8 4.0 6.3 3.8 87 6 47.3 35.4 63.0 0.4 0.0 0.00 54.9 58.8 4.0 6.3 3.8 83 7 49.5 33.9 55.0 0.5 0.0 0.00 54.3 58.8 3.1 6.3 2.7 109 8 48.7 34.3 57.0 0.5 4.3 0.00 53.8 58.8 2.5 5.1 2.5 74 9 54.5 35.4 48.0 0.8 17.2 0.00 53.6 58.8 4.9 8.5 4.5 93 10 61.7 36.4 39.0 1.2 21.8 0.00 54.0 58.6 2.7 6.5 2.5 107 11 65.8 36.8 34.0 1.4 14.8 0.00 55.0 58.6 3.8 6.3 3.6 79 12 69.3 35.0 28.0 1.8 18.9 0.00 55.9 58.6 4.0 7.6 4.0 98 13 71.2 33.5 25.0 2.0 22.9 0.00 56.8 58.6 5.4 11.0 5.1 103 14 73.0 32.4 22.0 2.2 20.6 0.00 57.9 58.5 4.3 9.8 2.9 122 15 73.6 29.0 19.0 2.3 16.5 0.00 58.8 58.5 4.3 11.6 3.8 211 16 72.1 27.6 19.0 2.2 8.1 0.00 59.4 58.5 6.3 12.1 5.8 223 17 70.5 29.4 22.0 2.0 3.4 0.00 59.5 58.5 3.6 10.1 3.1 217 18 69.4 29.9 23.0 1.9 1.4 0.00 59.4 58.3 3.4 8.7 3.1 232 19 68.5 31.1 25.0 1.8 0.0 0.00 59.2 58.3 4.9 14.3 4.5 226 20 67.5 30.7 25.0 1.7 0.0 0.00 58.8 58.3 3.8 11.4 2.7 164 21 65.7 32.8 29.0 1.5 0.0 0.00 58.5 58.3 3.6 10.7 2.9 165 22 65.8 33.9 31.0 1.5 0.0 0.00 58.1 58.3 6.5 14.5 6.0 179 23 65.1 34.7 32.0 1.4 0.0 0.00 57.9 58.3 8.5 18.3 8.1 176 24 64.4 33.9 32.0 1.4 0.0 0.00 57.6 58.3 7.4 16.1 6.9 174 AZMET Daily Weather Data : TUCSON : Feb 16 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 73.9 46.6 61.9 DegF RELATIVE HUMIDITY 66.0 16.0 37.0 % DEWPOINT 33.5 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 1.3 KPas SOIL TEMP. 4 in 59.5 53.6 57.0 DegF SOIL TEMP. 20 in 58.8 58.3 58.6 DegF WIND SPEED 18.3 4.5 MPH WIND VECTOR MAG. 2.5 MPH WIND VECTOR DIR. 142 Degrees SOLAR RADIATION 150.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.07 Inches STD. REF. EVAPOTRANSPIRATION 0.12 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.3 329 10.7 478 15.3 654 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 17 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 64.4 34.7 33.0 1.4 0.0 0.00 57.4 58.3 8.1 17.7 7.8 186 2 63.5 38.1 39.0 1.2 0.0 0.00 57.4 58.3 7.4 17.7 6.7 211 3 60.8 41.2 49.0 0.9 0.0 0.00 57.2 58.3 2.7 7.8 2.2 243 4 59.4 39.4 48.0 0.9 0.0 0.00 57.0 58.3 2.5 8.9 1.6 272 5 57.2 43.2 59.0 0.7 0.0 0.00 56.8 58.3 6.5 14.8 6.3 241 6 54.0 47.5 79.0 0.3 0.0 0.02 56.5 58.3 2.7 9.6 2.0 249 7 53.2 49.4 87.0 0.2 0.0 0.07 56.3 58.3 2.2 9.2 2.0 299 8 50.7 48.7 93.0 0.1 0.7 0.02 56.1 58.3 7.6 16.3 7.2 328 9 50.7 46.6 86.0 0.2 3.8 0.00 55.8 58.3 5.4 9.6 5.1 318 10 54.0 44.3 70.0 0.4 16.3 0.00 55.6 58.3 8.9 19.2 8.5 282 11 57.4 43.2 59.0 0.7 33.2 0.00 55.9 58.3 8.1 13.9 7.6 261 12 58.1 43.2 58.0 0.7 31.8 0.01 57.0 58.3 6.7 11.9 5.8 285 13 57.0 42.9 60.0 0.7 27.5 0.01 57.9 58.3 2.5 8.3 1.6 301 14 59.5 43.2 55.0 0.8 40.6 0.01 59.0 58.3 4.0 12.3 1.3 274 15 61.2 42.6 51.0 0.9 45.7 0.00 60.3 58.3 3.1 8.9 1.3 348 16 63.1 40.3 43.0 1.1 41.8 0.00 61.5 58.1 3.1 7.8 0.7 265 17 63.7 37.8 38.0 1.2 26.8 0.00 62.4 58.1 3.6 11.6 1.8 222 18 62.1 37.1 39.0 1.2 6.2 0.00 62.2 58.1 2.2 7.2 1.8 233 19 58.1 40.3 51.0 0.8 0.2 0.00 61.3 58.1 1.1 3.4 0.9 103 20 57.4 40.6 53.0 0.8 0.0 0.00 60.3 58.1 1.8 4.5 1.3 129 21 55.8 38.8 53.0 0.7 0.0 0.00 59.2 58.3 1.1 2.9 0.7 114 22 51.3 41.2 68.0 0.4 0.0 0.00 58.1 58.3 1.8 4.5 1.8 76 23 49.3 40.9 73.0 0.3 0.0 0.00 57.0 58.3 3.4 5.6 3.4 90 24 49.8 39.4 68.0 0.4 0.0 0.00 56.1 58.3 4.3 7.6 4.0 100 AZMET Daily Weather Data : TUCSON : Feb 17 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 65.1 48.6 57.2 DegF RELATIVE HUMIDITY 94.0 32.0 59.0 % DEWPOINT 42.1 DegF ACTUAL VAPOR PRESS. 0.9 KPas VAPOR PRESS. DEF. 0.7 KPas SOIL TEMP. 4 in 62.4 55.6 58.1 DegF SOIL TEMP. 20 in 58.3 58.1 58.3 DegF WIND SPEED 19.2 4.3 MPH WIND VECTOR MAG. 1.8 MPH WIND VECTOR DIR. 260 Degrees SOLAR RADIATION 274.4 Langleys PRECIPITATION 0.14 Inches AZMET REF. EVAPOTRANSPIRATION 0.08 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 3.6 333 7.0 485 11.8 666 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 18 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 48.7 38.8 69.0 0.4 0.0 0.00 55.2 58.3 4.0 7.6 3.8 106 2 46.9 38.8 73.0 0.3 0.0 0.00 54.3 58.5 4.3 7.6 4.0 85 3 46.4 38.5 74.0 0.3 0.0 0.00 53.6 58.5 3.8 8.1 3.6 104 4 46.2 38.1 73.0 0.3 0.0 0.00 53.1 58.5 3.6 7.4 3.4 104 5 44.2 38.1 79.0 0.2 0.0 0.00 52.5 58.5 3.6 6.5 3.4 94 6 42.3 37.5 83.0 0.2 0.0 0.00 51.8 58.3 4.3 7.2 4.0 88 7 43.7 36.1 75.0 0.3 0.0 0.00 51.3 58.3 4.7 7.6 4.7 92 8 43.3 36.4 77.0 0.2 5.5 0.00 50.7 58.3 5.4 9.6 5.4 95 9 50.4 36.1 58.0 0.5 20.6 0.00 50.4 58.3 6.5 10.5 6.3 102 10 56.8 33.5 41.0 0.9 38.0 0.00 51.1 58.1 6.3 13.0 5.4 122 11 60.3 31.6 33.0 1.2 51.2 0.00 52.7 58.1 7.6 13.4 7.2 151 12 63.9 28.5 26.0 1.5 59.8 0.00 54.7 58.1 6.9 13.4 5.6 157 13 65.8 26.1 22.0 1.7 63.1 0.00 56.8 57.9 9.6 17.7 9.2 233 14 66.2 29.4 25.0 1.7 61.4 0.00 58.8 57.9 10.7 17.4 10.1 232 15 66.4 30.3 26.0 1.7 54.7 0.00 60.4 57.9 10.5 20.4 9.8 218 16 65.7 32.0 28.0 1.6 43.5 0.00 61.7 57.7 10.5 18.1 9.8 219 17 65.1 32.8 30.0 1.5 27.7 0.00 62.2 57.7 10.1 16.3 9.6 233 18 62.6 32.8 33.0 1.3 9.6 0.00 61.9 57.7 9.6 15.9 9.4 235 19 59.7 34.7 39.0 1.1 0.2 0.00 61.0 57.7 8.5 15.4 8.1 229 20 58.3 35.7 43.0 1.0 0.0 0.00 59.9 57.7 8.7 17.2 8.5 222 21 57.0 36.1 45.0 0.9 0.0 0.00 59.0 57.7 7.4 14.5 7.2 226 22 55.9 37.1 49.0 0.8 0.0 0.00 58.1 57.7 5.1 11.6 4.9 237 23 52.9 44.0 72.0 0.4 0.0 0.00 57.6 57.9 4.3 10.7 3.8 329 24 51.3 44.5 78.0 0.3 0.0 0.00 57.0 57.9 3.1 6.9 2.9 326 AZMET Daily Weather Data : TUCSON : Feb 18 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 67.1 41.9 55.0 DegF RELATIVE HUMIDITY 85.0 18.0 52.0 % DEWPOINT 35.7 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 0.8 KPas SOIL TEMP. 4 in 62.2 50.4 56.1 DegF SOIL TEMP. 20 in 58.5 57.7 58.1 DegF WIND SPEED 20.4 6.7 MPH WIND VECTOR MAG. 3.1 MPH WIND VECTOR DIR. 195 Degrees SOLAR RADIATION 435.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.17 Inches STD. REF. EVAPOTRANSPIRATION 0.14 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 3.8 337 6.5 491 10.0 676 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 19 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 50.4 44.3 80.0 0.3 0.0 0.00 56.5 57.9 1.8 4.9 1.3 5 2 50.5 44.5 80.0 0.3 0.0 0.00 55.9 57.9 2.2 6.3 2.2 316 3 50.0 45.6 84.0 0.2 0.0 0.00 55.4 57.9 3.6 7.6 3.4 325 4 47.1 43.7 88.0 0.1 0.0 0.00 54.9 57.9 0.7 4.0 0.7 305 5 46.4 44.0 91.0 0.1 0.0 0.00 54.1 58.1 0.4 2.2 0.4 250 6 46.4 43.7 91.0 0.1 0.0 0.00 53.8 58.1 0.0 1.6 0.0 167 7 45.7 44.0 94.0 0.1 0.0 0.00 53.2 57.9 0.2 3.1 0.2 126 8 47.1 45.1 93.0 0.1 1.9 0.00 52.9 57.9 0.7 4.0 0.4 335 9 49.6 46.3 88.0 0.2 9.1 0.02 52.9 57.9 0.7 2.9 0.7 319 10 50.7 48.0 91.0 0.1 20.1 0.03 53.2 57.9 3.4 6.5 3.1 328 11 53.2 47.5 81.0 0.3 28.7 0.00 54.1 57.9 4.0 7.4 3.8 328 12 56.8 46.6 68.0 0.5 44.0 0.00 55.8 57.9 3.6 7.6 2.7 324 13 59.2 45.1 59.0 0.7 42.8 0.00 57.6 57.7 2.5 8.1 1.1 306 14 59.2 43.7 56.0 0.8 38.0 0.00 59.0 57.7 4.0 9.8 3.4 317 15 61.5 42.4 49.0 1.0 43.3 0.00 60.1 57.7 5.8 11.0 5.1 315 16 62.8 38.1 40.0 1.2 31.6 0.00 61.2 57.7 6.7 14.1 5.8 303 17 63.3 33.2 32.0 1.4 24.9 0.00 61.3 57.7 9.2 15.7 8.7 286 18 62.2 33.5 34.0 1.3 8.1 0.00 61.2 57.7 6.7 11.4 6.0 288 19 59.5 32.4 36.0 1.1 0.5 0.00 60.1 57.7 4.3 9.6 4.3 284 20 55.9 33.2 42.0 0.9 0.0 0.00 59.0 57.7 0.9 3.6 0.7 291 21 54.5 34.7 47.0 0.8 0.0 0.00 57.9 57.7 1.6 7.2 1.1 269 22 49.8 37.1 61.0 0.5 0.0 0.00 56.8 57.7 1.3 4.7 1.1 76 23 47.3 37.5 69.0 0.4 0.0 0.00 55.8 57.7 2.2 4.0 1.6 71 24 46.6 36.8 69.0 0.3 0.0 0.00 54.9 57.9 2.5 6.7 0.9 68 AZMET Daily Weather Data : TUCSON : Feb 19 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 65.5 45.3 53.2 DegF RELATIVE HUMIDITY 95.0 29.0 68.0 % DEWPOINT 41.8 DegF ACTUAL VAPOR PRESS. 0.9 KPas VAPOR PRESS. DEF. 0.5 KPas SOIL TEMP. 4 in 61.3 52.9 56.7 DegF SOIL TEMP. 20 in 58.1 57.7 57.9 DegF WIND SPEED 15.7 2.9 MPH WIND VECTOR MAG. 2.0 MPH WIND VECTOR DIR. 309 Degrees SOLAR RADIATION 292.8 Langleys PRECIPITATION 0.05 Inches AZMET REF. EVAPOTRANSPIRATION 0.08 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 3.4 340 6.4 498 10.4 687 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 20 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 45.1 36.4 72.0 0.3 0.0 0.00 54.0 57.9 1.6 4.0 1.1 76 2 43.2 36.4 77.0 0.2 0.0 0.00 53.1 57.9 1.3 4.7 0.9 90 3 42.6 35.4 75.0 0.2 0.0 0.00 52.3 57.9 1.1 4.3 0.2 115 4 42.1 35.4 77.0 0.2 0.0 0.00 51.6 57.9 2.0 5.1 1.3 86 5 42.6 35.0 75.0 0.2 0.0 0.00 50.9 57.9 1.8 4.7 1.1 83 6 41.9 34.7 75.0 0.2 0.0 0.00 50.4 57.9 3.4 6.9 3.1 86 7 40.6 34.7 79.0 0.2 0.0 0.00 49.8 57.9 1.3 4.5 1.3 76 8 43.7 35.4 72.0 0.3 5.5 0.00 49.5 57.7 1.3 3.8 0.9 116 9 51.8 35.7 55.0 0.6 19.6 0.00 49.3 57.7 2.2 5.6 1.8 86 10 54.9 37.8 53.0 0.7 34.7 0.00 50.0 57.7 5.6 11.2 5.1 249 11 56.7 37.1 48.0 0.8 31.8 0.00 51.6 57.6 5.8 10.5 5.6 239 12 53.4 42.1 66.0 0.5 32.3 0.00 53.1 57.6 10.3 18.1 9.2 315 13 54.9 40.3 58.0 0.6 52.3 0.00 54.3 57.4 9.2 15.4 8.7 323 14 57.0 39.1 51.0 0.8 42.1 0.00 56.1 57.4 7.2 13.4 6.5 329 15 58.6 36.4 43.0 1.0 40.2 0.00 57.4 57.4 6.9 13.4 6.3 338 16 60.3 34.3 37.0 1.1 39.2 0.00 58.6 57.2 6.9 12.3 6.5 323 17 60.8 32.8 35.0 1.2 28.0 0.00 59.4 57.2 6.9 11.6 6.7 324 18 58.1 31.6 36.0 1.1 8.1 0.00 59.4 57.2 5.8 11.6 5.6 315 19 55.2 31.1 39.0 0.9 0.2 0.00 58.6 57.2 2.5 6.9 2.5 311 20 53.1 31.6 43.0 0.8 0.0 0.00 57.4 57.2 2.2 4.3 2.2 303 21 50.7 32.0 49.0 0.7 0.0 0.00 56.3 57.2 1.1 3.4 0.7 205 22 46.8 33.2 59.0 0.5 0.0 0.00 55.2 57.2 0.9 3.1 0.2 258 23 43.9 34.7 70.0 0.3 0.0 0.00 54.1 57.2 1.1 3.6 1.1 75 24 41.4 34.7 77.0 0.2 0.0 0.00 53.1 57.2 1.1 4.5 0.9 64 AZMET Daily Weather Data : TUCSON : Feb 20 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 62.1 39.4 50.0 DegF RELATIVE HUMIDITY 84.0 32.0 59.0 % DEWPOINT 35.4 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 0.6 KPas SOIL TEMP. 4 in 59.5 49.3 54.0 DegF SOIL TEMP. 20 in 57.9 57.2 57.6 DegF WIND SPEED 18.1 3.8 MPH WIND VECTOR MAG. 2.0 MPH WIND VECTOR DIR. 322 Degrees SOLAR RADIATION 333.7 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.09 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 1.7 342 4.0 502 6.9 693 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 21 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 40.1 34.7 80.0 0.2 0.0 0.00 52.2 57.2 0.9 3.1 0.9 72 2 39.2 33.9 82.0 0.2 0.0 0.00 51.3 57.2 0.9 2.7 0.9 66 3 37.6 33.5 85.0 0.1 0.0 0.00 50.5 57.2 1.1 2.9 1.1 71 4 37.4 32.4 83.0 0.1 0.0 0.00 49.8 57.2 1.6 3.6 1.6 90 5 36.3 32.0 85.0 0.1 0.0 0.00 49.1 57.2 1.1 2.9 1.1 75 6 36.1 32.0 84.0 0.1 0.0 0.00 48.6 57.2 2.5 4.0 2.5 81 7 36.0 31.6 84.0 0.1 0.0 0.00 48.0 57.2 0.9 4.5 0.9 88 8 37.4 32.0 81.0 0.2 6.9 0.00 47.5 57.2 0.4 2.7 0.4 70 9 45.9 33.5 62.0 0.4 22.5 0.00 47.3 57.0 2.0 4.3 1.1 357 10 50.9 33.2 51.0 0.6 38.7 0.00 48.0 57.0 1.6 4.3 1.3 263 11 56.3 32.0 40.0 0.9 52.1 0.00 50.0 57.0 1.8 5.1 1.3 269 12 61.7 32.8 34.0 1.2 61.2 0.00 52.7 56.8 2.2 5.4 1.3 231 13 65.7 31.1 27.0 1.6 65.0 0.00 55.8 56.8 3.4 6.9 2.2 296 14 69.3 27.6 21.0 1.9 63.1 0.00 58.8 56.7 2.5 6.9 0.7 309 15 71.2 25.6 18.0 2.2 55.7 0.00 61.5 56.7 3.6 7.4 2.0 324 16 72.7 25.6 17.0 2.3 43.0 0.00 63.3 56.5 4.3 9.6 2.9 337 17 71.4 27.1 19.0 2.1 26.3 0.00 64.2 56.5 5.6 9.8 5.1 299 18 69.1 28.5 22.0 1.9 8.6 0.00 64.0 56.5 5.4 10.3 5.1 303 19 64.4 31.1 28.0 1.5 0.2 0.00 63.0 56.5 4.7 10.3 4.7 309 20 60.3 32.0 34.0 1.2 0.0 0.00 61.5 56.5 2.5 5.1 2.0 290 21 58.1 32.0 37.0 1.0 0.0 0.00 60.1 56.7 2.0 7.8 0.7 12 22 52.5 34.3 50.0 0.7 0.0 0.00 58.6 56.7 1.6 4.9 1.3 77 23 50.0 35.0 56.0 0.5 0.0 0.00 57.4 56.8 1.6 4.7 1.3 70 24 48.7 35.4 60.0 0.5 0.0 0.00 56.5 56.8 1.1 4.0 1.1 83 AZMET Daily Weather Data : TUCSON : Feb 21 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 74.1 34.0 52.9 DegF RELATIVE HUMIDITY 90.0 15.0 52.0 % DEWPOINT 32.0 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 0.9 KPas SOIL TEMP. 4 in 64.2 47.1 54.9 DegF SOIL TEMP. 20 in 57.4 56.5 56.8 DegF WIND SPEED 10.3 2.2 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 330 Degrees SOLAR RADIATION 443.1 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.15 Inches STD. REF. EVAPOTRANSPIRATION 0.11 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 6.0 348 8.5 510 11.7 705 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 22 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 47.5 35.0 62.0 0.4 0.0 0.00 55.4 56.8 1.3 2.9 0.9 80 2 45.7 35.4 67.0 0.3 0.0 0.00 54.7 57.0 0.7 3.1 0.4 54 3 45.7 36.4 70.0 0.3 0.0 0.00 54.0 57.0 0.7 3.4 0.7 91 4 45.3 36.1 70.0 0.3 0.0 0.00 53.2 57.0 0.9 3.6 0.9 83 5 43.7 36.1 74.0 0.3 0.0 0.00 52.7 57.0 0.9 3.6 0.9 67 6 42.3 35.4 77.0 0.2 0.0 0.00 52.2 57.2 1.3 3.8 1.1 84 7 40.8 34.7 79.0 0.2 0.0 0.00 51.4 57.0 0.9 4.0 0.9 70 8 43.3 34.3 71.0 0.3 6.2 0.00 50.7 57.0 0.9 3.1 0.7 269 9 55.4 34.7 47.0 0.8 23.2 0.00 50.5 57.0 1.6 12.5 0.7 96 10 68.2 17.3 14.0 2.0 40.9 0.00 51.4 57.0 10.1 17.4 9.6 119 11 71.2 16.6 12.0 2.3 53.1 0.00 53.2 57.0 10.5 17.7 10.3 115 12 73.4 17.3 12.0 2.5 61.7 0.00 55.8 57.0 9.2 16.1 8.5 121 13 75.6 18.7 12.0 2.7 65.3 0.00 58.6 56.8 7.8 15.9 7.2 113 14 77.2 19.3 11.0 2.8 63.3 0.00 61.3 56.8 6.5 13.0 5.8 103 15 78.3 19.9 11.0 2.9 55.9 0.00 63.9 56.8 6.7 13.2 6.0 110 16 79.0 19.9 11.0 3.0 43.7 0.00 65.7 56.8 6.3 12.8 5.6 99 17 79.2 19.9 11.0 3.0 27.7 0.00 66.6 56.7 6.3 12.3 5.8 103 18 77.9 20.6 12.0 2.9 11.0 0.00 66.6 56.8 4.7 9.2 4.5 94 19 72.3 21.8 15.0 2.3 0.5 0.00 65.5 56.8 2.7 6.3 2.7 97 20 66.4 22.9 19.0 1.8 0.0 0.00 64.0 56.8 2.2 3.6 2.0 82 21 61.0 26.1 26.0 1.4 0.0 0.00 62.4 56.8 0.7 2.9 0.7 36 22 55.6 30.3 38.0 0.9 0.0 0.00 61.0 57.0 0.9 3.6 0.7 301 23 54.1 31.1 41.0 0.9 0.0 0.00 59.7 57.0 0.7 3.4 0.7 80 24 52.2 30.7 43.0 0.8 0.0 0.00 58.5 57.2 2.0 3.6 1.8 48 AZMET Daily Weather Data : TUCSON : Feb 22 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 79.7 40.1 60.4 DegF RELATIVE HUMIDITY 80.0 10.0 38.0 % DEWPOINT 28.0 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.5 KPas SOIL TEMP. 4 in 66.7 50.5 57.9 DegF SOIL TEMP. 20 in 57.2 56.7 57.0 DegF WIND SPEED 17.7 3.6 MPH WIND VECTOR MAG. 3.1 MPH WIND VECTOR DIR. 105 Degrees SOLAR RADIATION 452.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.20 Inches STD. REF. EVAPOTRANSPIRATION 0.15 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 8.9 357 12.1 522 15.8 721 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026 AZMET Hourly Weather Data : TUCSON : Feb 23 2026 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 55.2 24.6 30.0 1.0 0.0 0.00 57.4 57.4 1.8 4.5 1.8 50 2 53.1 26.6 37.0 0.9 0.0 0.00 56.5 57.4 2.0 8.9 0.2 93 3 62.8 17.3 17.0 1.6 0.0 0.00 55.6 57.4 6.5 12.5 6.3 146 4 61.3 18.0 19.0 1.5 0.0 0.00 55.2 57.6 6.9 11.6 6.7 154 5 58.3 19.3 22.0 1.3 0.0 0.00 54.7 57.6 3.1 8.3 2.2 135 6 51.3 23.5 33.0 0.9 0.0 0.00 54.1 57.6 0.7 3.1 0.4 42 7 47.7 25.1 41.0 0.7 0.0 0.00 53.4 57.6 1.1 4.3 0.9 68 8 48.4 27.6 44.0 0.7 6.9 0.00 52.7 57.6 0.2 2.9 0.2 69 9 60.8 25.6 26.0 1.4 23.2 0.00 52.3 57.6 1.6 4.5 1.3 69 10 68.4 22.4 17.0 2.0 39.7 0.00 53.2 57.6 2.0 6.5 1.1 110 11 73.2 19.9 13.0 2.4 52.6 0.00 55.2 57.4 3.1 8.5 2.5 118 12 76.6 19.3 11.0 2.8 61.4 0.00 57.9 57.4 4.0 7.8 3.4 124 13 79.7 18.7 10.0 3.1 65.5 0.00 61.0 57.4 4.0 10.3 2.7 103 14 81.9 19.3 10.0 3.4 63.8 0.00 64.0 57.4 2.9 8.3 1.3 137 15 83.1 19.3 9.0 3.5 57.4 0.00 66.7 57.2 3.1 8.9 1.8 143 16 84.7 19.3 9.0 3.7 44.5 0.00 68.7 57.2 3.1 7.6 0.7 234 17 83.5 19.3 9.0 3.6 16.7 0.00 69.6 57.2 0.4 4.0 0.0 168 18 80.8 22.4 12.0 3.2 8.8 0.00 69.3 57.2 2.9 5.6 2.7 312 19 74.5 25.6 16.0 2.5 0.7 0.00 68.0 57.2 4.5 7.6 4.5 303 20 68.5 25.6 20.0 1.9 0.0 0.00 66.6 57.4 1.8 4.7 1.3 307 21 63.1 29.0 27.0 1.4 0.0 0.00 64.9 57.4 1.3 4.3 0.9 346 22 58.5 31.6 36.0 1.1 0.0 0.00 63.5 57.6 1.3 2.9 1.1 72 23 55.2 32.8 42.0 0.9 0.0 0.00 62.1 57.7 1.3 3.4 1.3 71 24 54.1 31.6 42.0 0.8 0.0 0.00 60.8 57.7 2.7 4.7 2.7 91 AZMET Daily Weather Data : TUCSON : Feb 23 2026 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 86.0 45.0 66.0 DegF RELATIVE HUMIDITY 49.0 7.0 23.0 % DEWPOINT 24.0 DegF ACTUAL VAPOR PRESS. 0.4 KPas VAPOR PRESS. DEF. 1.9 KPas SOIL TEMP. 4 in 69.6 52.3 60.1 DegF SOIL TEMP. 20 in 57.7 57.2 57.4 DegF WIND SPEED 12.5 2.7 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 118 Degrees SOLAR RADIATION 440.7 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.17 Inches STD. REF. EVAPOTRANSPIRATION 0.15 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 12.8 370 16.3 538 20.5 741 DEFINITIONS AND UNITS AT : Air Temp (DegF) ST4 : Soil Temp 4in (DegF) TD : Dewpoint (DegF) ST20 : Soil Temp 20in (DegF) RH : Rel Humidity (%) WS : Mean Wind Speed (MPH) VPD : Vapor Pressure Deficit(KPas) WSX : Max Wind Speed (MPH) SR : Solar Rad (Langleys) WVM : Wind Vector Magnitude (MPH) PPT : Precipitation (Inches) WVD : Wind Vector Direction (Degrees) DAY : Heat Units for Day ## or 999 : Missing Data CUM : Heat Units Accumulated Since Jan 1, 2026