AZMET Hourly Weather Data : TUCSON : May 17 2024 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 68.9 38.1 32.0 1.6 0.0 0.00 84.0 81.0 1.8 4.9 1.8 81 2 67.8 37.1 32.0 1.6 0.0 0.00 82.8 81.0 2.0 4.3 2.0 99 3 66.2 36.4 33.0 1.5 0.0 0.00 81.5 81.1 0.7 2.9 0.7 100 4 63.5 37.8 39.0 1.2 0.0 0.00 80.4 81.1 0.0 0.0 0.0 0 5 62.1 37.1 39.0 1.2 0.0 0.00 79.2 81.1 1.1 5.1 1.1 88 6 61.7 37.5 41.0 1.1 1.7 0.00 78.1 81.1 1.6 4.0 1.6 94 7 66.9 37.8 34.0 1.5 14.1 0.00 77.2 81.1 2.0 5.6 1.8 105 8 73.2 36.8 26.0 2.1 31.6 0.00 76.8 81.1 2.5 6.7 2.2 121 9 79.3 36.4 21.0 2.7 49.0 0.00 77.5 81.1 0.7 3.6 0.4 129 10 82.8 35.0 18.0 3.1 64.3 0.00 79.3 81.1 4.0 8.9 3.6 278 11 85.8 33.5 15.0 3.6 76.2 0.00 81.7 81.0 6.0 11.4 5.4 299 12 88.7 33.5 14.0 4.0 83.4 0.00 84.6 81.0 5.6 11.6 4.5 312 13 90.0 35.7 15.0 4.1 85.6 0.00 87.4 80.8 7.2 14.1 6.3 299 14 91.4 35.4 14.0 4.3 82.2 0.00 90.1 80.8 7.4 17.0 6.3 294 15 93.2 30.7 11.0 4.7 74.1 0.00 92.3 80.6 6.7 16.8 6.0 305 16 94.1 29.9 10.0 4.9 60.7 0.00 94.1 80.6 5.8 14.5 4.5 308 17 94.1 30.7 11.0 4.9 44.5 0.00 95.2 80.6 6.5 17.4 5.8 317 18 93.6 29.9 11.0 4.8 26.5 0.00 95.2 80.6 5.8 13.2 5.1 310 19 91.9 29.4 11.0 4.6 9.6 0.00 94.6 80.6 4.7 9.8 4.3 313 20 86.7 30.7 13.0 3.8 0.5 0.00 93.2 80.8 0.2 2.7 0.2 30 21 79.7 34.7 20.0 2.8 0.0 0.00 91.4 80.8 0.0 1.6 0.0 57 22 75.7 36.8 24.0 2.3 0.0 0.00 89.6 81.0 0.7 4.3 0.2 52 23 78.8 32.4 19.0 2.7 0.0 0.00 88.0 81.1 5.1 13.0 4.7 299 24 79.3 31.1 17.0 2.8 0.0 0.00 86.5 81.1 4.0 7.6 3.8 340 AZMET Daily Weather Data : TUCSON : May 17 2024 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 95.9 61.0 79.9 DegF RELATIVE HUMIDITY 42.0 8.0 22.0 % DEWPOINT 34.7 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 3.0 KPas SOIL TEMP. 4 in 95.4 76.8 85.8 DegF SOIL TEMP. 20 in 81.1 80.6 81.0 DegF WIND SPEED 17.4 3.4 MPH WIND VECTOR MAG. 2.0 MPH WIND VECTOR DIR. 312 Degrees SOLAR RADIATION 703.6 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.31 Inches STD. REF. EVAPOTRANSPIRATION 0.27 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 21.2 1162 26.2 1624 31.2 2168 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, 2024