AZMET Hourly Weather Data : PRESCOTT : Sep 6 2008 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 63.3 39.4 41.4 1.2 0.0 0.00 75.2 73.2 2.5 7.4 1.8 193 2 60.6 40.1 46.8 1.0 0.0 0.00 74.3 73.4 6.0 8.9 5.8 180 3 59.5 39.4 47.3 0.9 0.0 0.00 73.2 73.4 8.3 10.7 8.1 189 4 57.9 39.4 49.7 0.8 0.0 0.00 72.1 73.4 7.6 10.3 7.4 189 5 56.7 38.8 51.1 0.8 0.0 0.00 71.2 73.4 6.7 10.5 6.7 193 6 55.8 38.1 51.3 0.7 0.0 0.00 70.5 73.4 6.0 10.7 6.0 194 7 56.1 37.0 48.8 0.8 4.5 0.00 69.6 73.4 7.4 10.1 7.4 190 8 62.6 38.1 40.5 1.2 21.3 0.00 69.1 73.4 4.9 7.8 4.9 185 9 74.8 38.1 26.9 2.2 39.4 0.00 69.3 73.6 1.1 4.0 0.9 188 10 80.6 35.2 19.5 2.9 55.9 0.00 70.2 73.6 2.2 6.7 1.3 352 11 83.3 32.2 15.8 3.3 68.6 0.00 72.0 73.6 3.6 8.7 2.9 20 12 86.4 30.0 13.1 3.7 76.4 0.00 74.1 73.6 4.0 9.8 3.1 10 13 87.4 30.0 12.7 3.9 79.6 0.00 76.6 73.6 4.7 11.9 2.5 20 14 88.9 29.5 11.9 4.1 73.3 0.00 78.8 73.4 4.9 12.1 4.0 52 15 88.3 30.2 12.4 4.0 49.7 0.00 80.6 73.4 3.6 11.2 0.4 249 16 87.8 29.5 12.3 3.9 25.8 0.00 81.7 73.4 2.7 10.7 1.6 111 17 87.4 32.0 13.8 3.8 28.0 0.00 82.0 73.4 3.8 8.1 3.4 205 18 84.9 32.2 15.1 3.5 8.6 0.00 81.9 73.4 5.4 8.9 5.1 233 19 82.6 31.6 15.9 3.2 3.1 0.00 81.1 73.4 5.4 10.3 5.1 235 20 76.8 33.3 20.5 2.5 0.0 0.00 80.1 73.4 3.4 6.7 3.1 227 21 76.1 29.8 18.1 2.5 0.0 0.00 79.0 73.4 5.1 7.4 4.9 241 22 75.9 28.0 17.0 2.5 0.0 0.00 77.7 73.4 6.0 11.2 6.0 242 23 74.3 29.7 19.2 2.3 0.0 0.00 76.6 73.4 5.1 9.2 4.9 233 24 69.3 33.3 26.3 1.8 0.0 0.00 75.7 73.4 2.7 6.5 2.5 198 AZMET Daily Weather Data : PRESCOTT : Sep 6 2008 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 90.1 54.7 74.1 DegF RELATIVE HUMIDITY 55.4 10.8 27.0 % DEWPOINT 34.0 DegF ACTUAL VAPOR PRESS. 0.7 KPas VAPOR PRESS. DEF. 2.4 KPas SOIL TEMP. 4 in 82.0 69.1 75.6 DegF SOIL TEMP. 20 in 73.6 73.2 73.4 DegF WIND SPEED 12.1 4.7 MPH WIND VECTOR MAG. 2.7 MPH WIND VECTOR DIR. 205 Degrees SOLAR RADIATION 534.7 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.24 Inches STD. REF. EVAPOTRANSPIRATION 0.23 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 16.7 2120 21.8 2851 26.8 3683 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, 2008 *** NOTE : Soil Temps measured under grass ***