AZMET Hourly Weather Data : TUCSON : May 15 2024 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 72.1 30.3 21.0 2.1 0.0 0.00 83.8 79.9 0.4 4.7 0.4 310 2 67.3 32.8 28.0 1.6 0.0 0.00 82.4 80.1 0.4 3.8 0.4 73 3 66.0 32.4 28.0 1.6 0.0 0.00 81.1 80.1 2.2 4.9 2.2 91 4 63.5 33.2 32.0 1.4 0.0 0.00 79.9 80.2 1.3 4.7 1.3 80 5 60.8 34.3 37.0 1.1 0.0 0.00 78.8 80.2 0.0 0.0 0.0 0 6 59.9 34.3 38.0 1.1 1.7 0.00 77.7 80.2 0.0 0.0 0.0 0 7 64.6 35.4 34.0 1.4 13.9 0.00 76.6 80.2 1.8 4.5 1.8 97 8 72.0 36.1 27.0 2.0 31.3 0.00 76.3 80.2 3.1 6.5 2.7 139 9 77.9 36.4 22.0 2.5 48.8 0.00 76.8 80.2 2.9 6.5 2.5 139 10 82.0 36.1 19.0 3.0 63.8 0.00 78.6 80.2 2.7 6.3 0.4 257 11 84.4 37.1 19.0 3.3 75.5 0.00 81.1 80.1 3.6 8.1 2.5 296 12 86.0 38.5 19.0 3.5 82.9 0.00 84.0 80.1 4.0 12.5 2.7 216 13 87.4 36.1 16.0 3.7 86.0 0.00 86.9 80.1 5.1 13.4 3.4 192 14 88.9 33.5 14.0 4.0 84.6 0.00 89.6 79.9 5.4 13.2 3.8 207 15 89.6 34.3 14.0 4.1 71.5 0.00 91.8 79.9 5.4 12.8 4.3 260 16 89.4 32.8 13.0 4.1 42.1 0.00 93.4 79.7 6.0 13.6 4.9 261 17 87.6 31.6 13.0 3.9 21.0 0.00 93.7 79.7 8.1 17.4 7.2 265 18 87.4 32.4 14.0 3.8 19.8 0.00 93.0 79.7 9.6 17.0 8.5 308 19 83.8 33.9 17.0 3.3 3.4 0.00 92.1 79.9 8.3 13.9 7.6 342 20 81.5 33.2 18.0 3.0 0.0 0.00 90.9 79.9 6.5 12.5 5.8 335 21 80.4 32.8 18.0 2.9 0.0 0.00 89.6 80.1 5.6 15.7 5.1 316 22 79.3 32.0 18.0 2.8 0.0 0.00 88.2 80.1 1.6 6.5 1.3 208 23 79.0 32.0 18.0 2.8 0.0 0.00 87.1 80.2 5.4 11.2 5.1 209 24 75.9 31.6 20.0 2.5 0.0 0.00 85.8 80.4 3.8 9.4 3.4 253 AZMET Daily Weather Data : TUCSON : May 15 2024 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 92.8 59.0 77.7 DegF RELATIVE HUMIDITY 42.0 11.0 22.0 % DEWPOINT 33.9 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 2.7 KPas SOIL TEMP. 4 in 93.7 76.3 84.9 DegF SOIL TEMP. 20 in 80.4 79.7 80.1 DegF WIND SPEED 17.4 3.8 MPH WIND VECTOR MAG. 1.6 MPH WIND VECTOR DIR. 272 Degrees SOLAR RADIATION 646.0 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.30 Inches STD. REF. EVAPOTRANSPIRATION 0.26 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 19.6 1122 24.6 1573 29.6 2108 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