AZMET Hourly Weather Data : TUCSON : May 24 2013 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 75.2 24.6 15.3 2.5 0.0 0.00 68.0 69.8 1.6 5.1 1.6 327 2 69.8 28.9 21.8 2.0 0.0 0.00 66.9 69.8 0.9 3.4 0.0 210 3 66.7 30.7 26.0 1.7 0.0 0.00 65.8 70.0 1.1 2.7 0.9 100 4 64.4 33.6 31.6 1.4 0.0 0.00 65.1 70.0 1.3 3.4 1.1 92 5 64.8 34.0 31.6 1.4 0.0 0.00 64.2 70.0 2.7 5.6 2.7 73 6 64.4 33.8 31.8 1.4 1.9 0.00 63.5 70.0 1.6 4.5 1.6 101 7 68.7 37.0 31.3 1.7 15.1 0.00 63.3 70.0 2.0 4.3 1.8 78 8 77.0 41.4 28.0 2.3 33.9 0.00 64.8 69.8 5.8 11.9 5.4 103 9 81.1 41.5 24.7 2.7 51.6 0.00 67.3 69.8 5.6 11.0 5.4 120 10 84.6 40.8 21.5 3.2 67.4 0.00 70.9 69.8 3.4 10.1 2.5 141 11 87.1 30.2 13.0 3.8 79.1 0.00 74.8 69.6 4.7 10.7 3.4 157 12 89.2 25.2 9.9 4.2 86.2 0.00 78.6 69.6 5.4 12.8 3.8 146 13 91.4 23.4 8.5 4.6 87.4 0.00 82.2 69.4 6.0 17.2 0.7 285 14 93.4 19.8 6.8 5.0 84.8 0.00 85.1 69.4 5.1 13.6 2.0 198 15 95.4 15.3 5.3 5.4 76.9 0.00 87.3 69.4 6.7 15.0 5.4 251 16 95.7 15.8 5.4 5.4 63.5 0.00 88.2 69.4 8.7 23.9 7.4 256 17 95.4 15.1 5.3 5.4 47.3 0.00 88.0 69.6 9.6 20.1 8.7 261 18 94.5 17.4 6.0 5.2 29.4 0.00 86.7 69.6 9.4 16.1 8.7 262 19 92.5 19.0 6.8 4.8 11.5 0.00 84.4 69.8 8.3 13.6 7.8 266 20 88.9 21.4 8.5 4.3 0.5 0.00 81.5 70.0 4.0 10.3 4.0 255 21 83.1 26.1 12.4 3.4 0.0 0.00 79.0 70.2 2.2 8.3 2.2 293 22 83.7 32.0 15.5 3.3 0.0 0.00 76.8 70.3 6.9 12.1 6.7 306 23 79.9 35.4 20.4 2.8 0.0 0.00 75.0 70.5 5.1 10.1 4.9 301 24 77.9 35.6 21.5 2.6 0.0 0.00 72.9 70.7 3.8 6.0 3.8 289 AZMET Daily Weather Data : TUCSON : May 24 2013 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 97.3 62.4 81.9 DegF RELATIVE HUMIDITY 37.9 3.9 17.0 % DEWPOINT 28.2 DegF ACTUAL VAPOR PRESS. 0.6 KPas VAPOR PRESS. DEF. 3.4 KPas SOIL TEMP. 4 in 88.3 63.1 75.0 DegF SOIL TEMP. 20 in 70.7 69.4 69.8 DegF WIND SPEED 23.9 4.7 MPH WIND VECTOR MAG. 1.6 MPH WIND VECTOR DIR. 253 Degrees SOLAR RADIATION 736.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.36 Inches STD. REF. EVAPOTRANSPIRATION 0.31 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 22.0 1319 27.0 1781 32.0 2319 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, 2013