AZMET Hourly Weather Data : FLAGSTAFF : Nov 22 2009 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 29.3 4.8 34.7 0.4 0.0 0.00 39.2 45.3 6.3 10.7 5.8 43 2 26.2 6.8 43.0 0.3 0.0 0.00 38.7 45.5 2.7 8.7 1.8 92 3 23.7 8.4 51.4 0.2 0.0 0.00 38.1 45.5 2.0 4.7 1.6 108 4 19.8 8.1 59.5 0.2 0.0 0.00 37.6 45.5 0.9 3.4 0.0 134 5 15.8 7.7 69.6 0.1 0.0 0.00 37.0 45.5 0.9 2.5 0.9 261 6 15.6 8.8 73.7 0.1 0.0 0.00 36.5 45.5 0.7 2.7 0.7 270 7 14.9 8.6 75.6 0.1 0.0 0.00 36.1 45.7 1.3 4.0 1.3 281 8 18.3 9.7 68.2 0.1 4.1 0.00 35.8 45.7 0.9 2.0 0.4 259 9 27.7 9.7 46.5 0.3 18.6 0.00 35.4 45.7 2.5 4.9 1.6 90 10 39.6 10.2 29.8 0.6 33.9 0.00 35.2 45.7 3.6 6.0 3.1 84 11 47.3 7.3 19.2 0.9 44.4 0.00 35.1 45.7 5.6 10.3 4.9 58 12 52.0 5.4 14.6 1.1 50.4 0.00 36.5 45.7 6.9 15.4 6.0 49 13 55.6 5.9 13.2 1.3 51.6 0.00 39.9 45.7 9.8 17.2 9.2 67 14 55.8 5.9 13.1 1.3 47.1 0.00 43.2 45.7 10.7 18.1 10.3 66 15 55.0 5.0 12.9 1.3 39.7 0.00 45.3 45.7 9.8 18.1 9.2 63 16 53.4 2.1 11.9 1.2 25.1 0.00 46.8 45.5 9.6 22.1 8.3 27 17 50.4 2.7 13.8 1.1 8.8 0.00 46.9 45.5 8.1 16.1 7.2 18 18 45.0 8.6 22.1 0.8 0.2 0.00 46.0 45.5 5.6 10.3 5.1 49 19 42.4 7.5 23.2 0.7 0.0 0.00 45.0 45.5 4.7 10.5 4.3 359 20 41.2 8.2 25.0 0.7 0.0 0.00 43.7 45.5 5.4 10.1 5.1 357 21 40.1 8.6 26.6 0.6 0.0 0.00 42.6 45.5 4.9 10.5 4.7 354 22 38.8 9.0 28.5 0.6 0.0 0.00 41.7 45.5 5.1 9.4 4.7 16 23 35.6 10.0 33.8 0.5 0.0 0.00 40.8 45.3 6.3 9.6 5.8 59 24 36.0 11.5 35.6 0.5 0.0 0.00 40.3 45.5 7.8 13.6 7.6 55 AZMET Daily Weather Data : FLAGSTAFF : Nov 22 2009 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 57.4 13.6 36.7 DegF RELATIVE HUMIDITY 80.5 10.4 35.2 % DEWPOINT 7.5 DegF ACTUAL VAPOR PRESS. 0.2 KPas VAPOR PRESS. DEF. 0.6 KPas SOIL TEMP. 4 in 46.9 35.1 40.1 DegF SOIL TEMP. 20 in 45.7 45.3 45.5 DegF WIND SPEED 22.1 5.1 MPH WIND VECTOR MAG. 3.8 MPH WIND VECTOR DIR. 45 Degrees SOLAR RADIATION 324.2 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.11 Inches STD. REF. EVAPOTRANSPIRATION 0.09 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 0.4 1708 1.3 2463 2.9 3386 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, 2009 *** NOTE : Soil Temps measured under grass ***