AZMET Hourly Weather Data : YUMA VALLEY : Dec 9 2025 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 48.7 41.5 76.0 0.3 0.0 0.00 59.0 65.1 1.1 4.7 0.7 181 2 48.4 41.5 77.0 0.3 0.0 0.00 58.3 65.1 0.2 2.9 0.2 208 3 46.6 40.6 80.0 0.2 0.0 0.00 57.4 65.1 0.7 4.9 0.2 217 4 46.4 40.6 80.0 0.2 0.0 0.00 56.8 65.1 1.1 4.7 0.2 27 5 52.3 38.5 61.0 0.6 0.0 0.00 56.1 65.1 4.9 11.0 4.7 17 6 54.3 36.1 50.0 0.7 0.0 0.00 55.9 65.1 4.5 7.8 4.3 33 7 54.3 35.7 49.0 0.7 0.0 0.00 55.6 65.1 4.5 7.4 4.5 53 8 56.1 35.0 45.0 0.8 1.4 0.00 55.2 65.1 5.1 7.6 4.9 56 9 59.7 37.8 44.0 1.0 12.2 0.00 55.2 65.1 4.5 8.3 4.3 27 10 65.8 38.8 37.0 1.4 25.1 0.00 55.9 65.1 8.5 16.1 8.3 21 11 70.2 37.8 31.0 1.8 36.3 0.00 57.7 65.1 11.9 18.3 11.6 16 12 73.4 36.8 26.0 2.1 43.7 0.00 59.9 65.1 10.3 17.0 10.1 20 13 75.7 36.8 24.0 2.3 46.6 0.00 62.1 65.1 10.1 16.3 9.6 1 14 76.6 36.4 23.0 2.4 44.5 0.00 64.0 64.9 10.1 17.4 9.6 357 15 77.2 36.1 23.0 2.5 37.8 0.00 65.7 64.9 11.2 17.0 10.7 3 16 78.1 38.1 24.0 2.5 26.8 0.00 66.6 64.9 6.9 10.5 6.7 11 17 75.7 36.8 24.0 2.3 13.4 0.00 66.7 64.9 8.3 12.8 8.1 1 18 70.5 37.1 29.0 1.8 1.9 0.00 66.2 64.9 6.9 10.5 6.9 360 19 67.6 37.5 33.0 1.6 0.0 0.00 65.1 64.9 6.0 10.5 5.8 347 20 63.1 38.1 40.0 1.2 0.0 0.00 64.0 64.9 2.2 5.1 1.1 237 21 58.1 39.4 50.0 0.8 0.0 0.00 63.0 64.9 1.3 4.0 0.2 262 22 54.9 39.7 57.0 0.6 0.0 0.00 61.7 64.9 0.7 4.9 0.4 147 23 52.2 40.6 65.0 0.5 0.0 0.00 60.8 64.9 0.4 4.9 0.2 48 24 52.5 39.4 61.0 0.5 0.0 0.00 59.9 64.9 1.6 5.6 1.1 356 AZMET Daily Weather Data : YUMA VALLEY : Dec 9 2025 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 79.0 44.8 61.5 DegF RELATIVE HUMIDITY 85.0 20.0 46.0 % DEWPOINT 38.1 DegF ACTUAL VAPOR PRESS. 0.8 KPas VAPOR PRESS. DEF. 1.2 KPas SOIL TEMP. 4 in 66.9 55.2 60.4 DegF SOIL TEMP. 20 in 65.1 64.9 65.1 DegF WIND SPEED 18.3 5.1 MPH WIND VECTOR MAG. 4.5 MPH WIND VECTOR DIR. 12 Degrees SOLAR RADIATION 289.4 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.14 Inches STD. REF. EVAPOTRANSPIRATION 0.13 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 9.3 6142 12.8 7672 16.8 9291 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