AZMET Hourly Weather Data : SAFFORD : Aug 20 2008 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 70.9 61.5 72.6 0.7 0.0 0.00 77.5 81.7 2.9 5.6 2.7 114 2 69.4 61.5 76.0 0.6 0.0 0.00 77.0 81.7 3.4 6.7 3.4 118 3 70.2 60.8 72.4 0.7 0.0 0.00 76.3 81.7 3.6 5.6 3.4 130 4 67.8 61.2 79.4 0.5 0.0 0.00 75.7 81.7 2.5 4.3 2.5 163 5 66.4 61.0 82.5 0.4 0.0 0.00 75.2 81.7 2.2 3.6 2.2 176 6 64.6 60.1 85.4 0.3 0.2 0.00 74.8 81.7 1.6 5.6 1.3 115 7 67.3 61.3 81.5 0.4 8.6 0.00 74.3 81.7 1.1 4.7 0.7 188 8 73.8 62.6 68.2 0.9 21.0 0.00 73.9 81.5 2.2 5.1 2.2 109 9 76.8 63.5 63.8 1.1 29.4 0.00 74.3 81.3 1.1 3.4 1.1 86 10 81.0 61.5 51.6 1.8 42.5 0.00 75.4 81.3 1.6 3.8 1.3 106 11 86.2 59.2 40.3 2.5 58.5 0.00 76.8 81.1 1.6 5.4 0.4 130 12 88.3 59.0 37.2 2.9 81.7 0.00 78.6 81.0 4.5 9.4 4.3 312 13 90.1 57.2 33.1 3.2 82.4 0.00 80.8 81.0 7.6 11.9 7.4 312 14 91.6 55.0 29.2 3.6 77.4 0.00 82.4 81.0 8.1 13.0 7.8 311 15 92.7 55.2 28.3 3.8 68.8 0.00 83.5 80.8 8.9 14.8 8.7 327 16 93.4 54.0 26.6 3.9 55.4 0.00 84.2 80.8 8.9 15.0 8.5 327 17 93.4 51.6 24.3 4.1 39.4 0.00 84.2 80.6 7.8 13.2 7.6 320 18 92.1 48.7 22.7 4.0 21.3 0.00 83.8 80.6 6.3 11.9 6.3 318 19 86.5 51.1 29.6 3.0 5.0 0.00 83.1 80.4 3.6 6.5 3.6 305 20 81.5 52.7 37.3 2.3 0.0 0.00 82.0 80.4 1.6 4.7 1.6 300 21 77.7 55.6 46.5 1.7 0.0 0.00 81.1 80.6 2.5 4.9 2.2 337 22 76.3 55.8 49.3 1.6 0.0 0.00 80.1 80.8 2.2 4.7 2.0 298 23 73.0 55.8 55.0 1.3 0.0 0.00 79.2 80.8 3.4 9.4 2.2 162 24 72.5 55.8 55.8 1.2 0.0 0.00 78.3 80.8 1.6 7.2 1.3 91 AZMET Daily Weather Data : SAFFORD : Aug 20 2008 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 93.9 63.7 79.3 DegF RELATIVE HUMIDITY 88.4 18.2 52.0 % DEWPOINT 57.6 DegF ACTUAL VAPOR PRESS. 1.6 KPas VAPOR PRESS. DEF. 1.9 KPas SOIL TEMP. 4 in 84.4 73.8 78.8 DegF SOIL TEMP. 20 in 81.9 80.4 81.1 DegF WIND SPEED 15.0 3.8 MPH WIND VECTOR MAG. 1.6 MPH WIND VECTOR DIR. 322 Degrees SOLAR RADIATION 591.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.26 Inches STD. REF. EVAPOTRANSPIRATION 0.23 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 22.0 2966 27.0 3786 32.0 4701 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