AZMET Hourly Weather Data : SAFFORD : May 18 2013 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 76.5 25.0 14.7 2.7 0.0 0.00 80.2 75.7 8.1 13.2 8.1 307 2 75.0 26.1 16.2 2.5 0.0 0.00 79.7 75.7 4.9 8.9 4.9 326 3 74.7 26.6 16.8 2.4 0.0 0.00 79.2 75.9 5.8 13.4 5.6 333 4 73.6 26.8 17.5 2.3 0.0 0.00 78.6 75.9 3.1 12.3 2.7 326 5 70.0 26.2 19.4 2.0 0.0 0.00 78.1 75.9 1.3 4.3 0.4 161 6 65.7 25.7 21.9 1.7 1.7 0.00 77.4 75.9 3.1 7.2 2.9 152 7 67.5 26.8 21.5 1.8 16.3 0.00 76.8 75.9 4.0 7.8 3.6 86 8 75.6 28.0 17.3 2.5 39.2 0.00 76.6 76.1 3.6 10.3 2.9 87 9 79.0 27.5 15.0 2.9 49.5 0.00 77.4 76.1 7.2 14.1 6.5 341 10 79.3 26.1 13.9 3.0 46.6 0.00 78.3 76.1 6.3 12.1 5.8 303 11 82.8 25.3 12.2 3.3 79.8 0.00 79.3 76.1 5.8 13.9 4.3 311 12 84.0 25.5 11.7 3.5 85.1 0.00 81.0 76.1 5.6 12.3 3.4 325 13 85.3 23.5 10.4 3.7 86.5 0.00 82.8 76.1 4.3 13.9 1.3 324 14 87.1 20.3 8.6 4.0 82.7 0.00 84.6 75.9 6.3 15.9 3.8 327 15 89.2 18.3 7.4 4.4 73.3 0.00 86.0 75.9 5.6 14.5 3.1 214 16 90.1 17.2 6.8 4.5 58.8 0.00 86.9 75.9 17.0 27.3 16.3 308 17 89.1 17.8 7.2 4.3 41.8 0.00 87.1 75.9 19.9 27.3 19.5 295 18 86.9 18.9 8.1 4.0 23.6 0.00 86.4 75.9 19.2 28.4 18.8 300 19 84.0 18.0 8.6 3.6 7.2 0.00 85.6 75.9 18.1 24.8 17.7 299 20 80.2 19.2 10.2 3.2 0.2 0.00 84.4 75.9 12.3 23.7 12.1 300 21 76.3 19.2 11.6 2.7 0.0 0.00 83.3 76.1 8.1 12.3 8.1 306 22 73.0 19.4 13.1 2.4 0.0 0.00 82.2 76.1 4.0 7.4 4.0 309 23 70.5 21.2 15.2 2.2 0.0 0.00 81.3 76.1 4.5 7.8 4.5 303 24 70.5 24.1 17.2 2.1 0.0 0.00 80.2 76.1 5.8 8.9 5.6 314 AZMET Daily Weather Data : SAFFORD : May 18 2013 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 91.9 64.0 78.6 DegF RELATIVE HUMIDITY 24.0 6.2 13.4 % DEWPOINT 23.0 DegF ACTUAL VAPOR PRESS. 0.4 KPas VAPOR PRESS. DEF. 3.0 KPas SOIL TEMP. 4 in 87.1 76.6 81.5 DegF SOIL TEMP. 20 in 76.1 75.7 75.9 DegF WIND SPEED 28.4 7.6 MPH WIND VECTOR MAG. 5.8 MPH WIND VECTOR DIR. 308 Degrees SOLAR RADIATION 692.3 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.38 Inches STD. REF. EVAPOTRANSPIRATION 0.35 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 21.8 1015 26.8 1388 31.9 1835 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