AZMET Hourly Weather Data : DESERT RIDGE : Dec 9 2025 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 51.1 31.1 46.0 0.7 0.0 0.00 55.0 58.8 0.9 4.3 0.7 342 2 52.2 29.0 40.0 0.8 0.0 0.00 54.5 58.8 2.0 5.6 1.8 18 3 50.9 29.4 43.0 0.7 0.0 0.00 54.1 58.8 1.8 4.9 1.8 20 4 51.4 27.6 39.0 0.8 0.0 0.00 53.8 59.0 2.9 5.1 2.7 11 5 50.0 28.5 43.0 0.7 0.0 0.00 53.4 59.0 1.1 4.0 0.9 12 6 50.2 28.0 42.0 0.7 0.0 0.00 53.1 59.0 2.0 4.9 2.0 19 7 49.3 27.1 42.0 0.7 0.0 0.00 52.9 58.8 2.9 6.0 2.9 6 8 52.9 25.6 35.0 0.9 1.0 0.00 52.5 58.8 6.0 8.9 5.8 10 9 57.2 30.3 35.0 1.0 14.8 0.00 52.5 58.8 1.8 6.3 1.6 22 10 64.2 31.1 29.0 1.5 29.4 0.00 52.9 58.8 1.6 4.3 1.1 124 11 65.5 35.4 33.0 1.5 41.4 0.00 53.6 58.8 1.8 4.9 1.8 202 12 67.8 34.7 29.0 1.7 48.0 0.00 54.7 58.8 2.7 6.5 2.5 196 13 70.5 31.6 24.0 2.0 50.0 0.00 55.9 58.8 2.0 5.8 1.8 185 14 72.7 29.9 21.0 2.2 46.6 0.00 57.2 58.6 2.7 5.6 2.2 183 15 74.3 26.6 17.0 2.4 38.0 0.00 58.3 58.6 2.0 4.9 1.8 179 16 74.7 27.6 18.0 2.4 25.1 0.00 58.8 58.6 2.5 6.0 2.5 207 17 72.9 28.5 19.0 2.2 10.5 0.00 59.0 58.6 2.2 4.9 2.2 222 18 65.8 34.7 32.0 1.5 0.7 0.00 58.8 58.6 0.4 2.2 0.4 19 19 58.5 37.5 46.0 0.9 0.0 0.00 58.1 58.6 1.8 3.6 1.8 19 20 55.8 36.4 48.0 0.8 0.0 0.00 57.6 58.6 2.7 4.3 2.5 18 21 54.5 35.4 48.0 0.8 0.0 0.00 57.0 58.6 2.7 4.3 2.7 16 22 53.1 36.4 53.0 0.7 0.0 0.00 56.5 58.6 2.0 4.3 2.0 17 23 53.1 35.7 52.0 0.7 0.0 0.00 55.9 58.8 2.7 4.7 2.7 20 24 52.3 35.7 53.0 0.6 0.0 0.00 55.6 58.8 1.3 3.1 1.3 18 AZMET Daily Weather Data : DESERT RIDGE : Dec 9 2025 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 75.7 47.3 59.2 DegF RELATIVE HUMIDITY 60.0 15.0 37.0 % DEWPOINT 31.6 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 1.2 KPas SOIL TEMP. 4 in 59.0 52.5 55.6 DegF SOIL TEMP. 20 in 59.0 58.6 58.8 DegF WIND SPEED 8.9 2.2 MPH WIND VECTOR MAG. 0.9 MPH WIND VECTOR DIR. 16 Degrees SOLAR RADIATION 305.5 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 8.3 5913 12.0 7429 16.5 9041 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