AZMET Hourly Weather Data : PAYSON : May 20 2013 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 53.8 29.5 38.9 0.9 0.0 0.00 66.0 66.4 0.4 1.3 0.4 23 2 51.4 29.7 42.9 0.7 0.0 0.00 64.8 66.4 0.4 2.9 0.4 16 3 47.8 30.0 49.9 0.6 0.0 0.00 63.9 66.6 0.4 2.7 0.4 12 4 45.7 30.7 55.3 0.5 0.0 0.00 62.8 66.4 0.4 2.5 0.2 341 5 44.2 30.9 59.3 0.4 0.0 0.00 61.9 66.4 0.4 1.8 0.2 353 6 43.2 30.9 61.8 0.4 1.4 0.00 60.8 66.4 0.4 0.4 0.4 12 7 52.5 32.9 47.5 0.7 17.2 0.00 60.3 66.4 0.4 0.4 0.2 15 8 66.0 25.0 21.2 1.7 35.6 0.00 60.8 66.2 0.9 6.5 0.7 350 9 67.1 22.8 18.6 1.8 53.0 0.00 62.6 66.2 6.0 14.1 4.9 301 10 68.0 23.2 18.3 1.9 68.3 0.00 63.3 66.0 7.4 14.3 6.5 281 11 68.9 22.1 16.9 2.0 80.0 0.00 64.2 65.8 9.8 19.9 9.2 284 12 69.8 23.0 16.9 2.1 86.7 0.00 65.3 65.7 10.3 17.0 9.4 283 13 71.4 23.9 16.7 2.2 87.9 0.00 69.1 65.7 11.0 22.4 9.8 286 14 72.5 20.8 14.1 2.3 85.1 0.00 72.3 65.5 12.1 23.3 11.0 286 15 73.9 19.9 12.9 2.5 76.7 0.00 74.3 65.5 10.3 22.1 8.9 293 16 74.5 16.9 11.1 2.6 64.7 0.00 75.2 65.5 9.4 18.8 8.3 291 17 74.3 16.7 11.1 2.6 48.7 0.00 75.6 65.5 7.6 15.7 6.7 285 18 74.7 18.0 11.6 2.6 30.1 0.00 75.6 65.5 6.0 12.5 5.1 306 19 73.2 18.0 12.2 2.5 12.4 0.00 74.5 65.7 4.9 14.1 4.5 307 20 66.7 21.9 18.4 1.8 0.5 0.00 73.0 65.8 0.7 5.4 0.7 334 21 64.9 23.9 21.0 1.7 0.0 0.00 71.2 66.0 0.9 4.5 0.9 68 22 61.7 25.5 25.1 1.4 0.0 0.00 69.8 66.2 0.7 4.0 0.4 56 23 55.4 28.6 35.7 1.0 0.0 0.00 68.4 66.2 0.4 0.4 0.4 354 24 52.0 30.0 42.7 0.8 0.0 0.00 67.1 66.4 0.4 1.8 0.2 340 AZMET Daily Weather Data : PAYSON : May 20 2013 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 75.7 42.3 62.2 DegF RELATIVE HUMIDITY 66.4 8.6 28.3 % DEWPOINT 24.8 DegF ACTUAL VAPOR PRESS. 0.5 KPas VAPOR PRESS. DEF. 1.6 KPas SOIL TEMP. 4 in 75.7 60.1 67.6 DegF SOIL TEMP. 20 in 66.6 65.5 66.0 DegF WIND SPEED 23.3 4.3 MPH WIND VECTOR MAG. 3.6 MPH WIND VECTOR DIR. 292 Degrees SOLAR RADIATION 748.0 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.30 Inches STD. REF. EVAPOTRANSPIRATION 0.23 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 7.6 450 10.6 709 14.4 1048 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 *** NOTE : Soil Temps measured under grass ***