AZMET Hourly Weather Data : MESA : Aug 20 2008 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 90.1 54.3 29.9 3.4 0.0 0.00 93.6 92.8 0.7 2.0 0.7 15 2 88.7 55.4 32.5 3.1 0.0 0.00 92.3 92.8 1.3 4.3 1.3 106 3 87.1 55.0 33.7 2.9 0.0 0.00 91.0 92.8 2.5 5.1 2.5 108 4 85.8 54.7 34.8 2.7 0.0 0.00 90.0 92.8 1.3 3.6 1.3 95 5 85.1 53.8 34.2 2.7 0.0 0.00 89.1 93.0 2.7 5.8 2.5 105 6 83.1 53.2 35.9 2.5 0.0 0.00 88.2 92.8 4.0 7.4 4.0 99 7 83.5 54.3 36.8 2.5 6.2 0.00 87.6 92.8 3.1 7.2 2.9 95 8 86.5 55.2 34.5 2.8 21.0 0.00 87.8 92.8 2.7 5.6 2.7 105 9 90.9 55.9 31.0 3.4 39.9 0.00 90.0 92.8 2.2 6.5 1.8 115 10 94.1 56.5 28.4 3.9 54.7 0.00 93.2 92.7 3.8 7.4 3.4 118 11 97.3 55.6 25.1 4.5 64.7 0.00 97.2 92.5 3.6 8.1 2.7 132 12 100.2 53.8 21.3 5.2 71.7 0.00 101.3 92.3 3.1 9.4 1.8 118 13 101.8 52.2 19.2 5.6 74.1 0.00 104.9 92.3 4.3 14.3 1.1 210 14 103.3 50.2 17.1 6.0 72.2 0.00 107.8 92.1 4.3 10.3 2.2 212 15 104.9 48.2 15.2 6.4 65.0 0.00 109.8 92.1 3.4 8.7 2.2 208 16 105.3 47.7 14.6 6.5 53.5 0.00 110.7 91.9 3.4 9.6 1.3 325 17 104.9 46.2 14.1 6.5 38.9 0.00 110.5 91.9 4.5 12.1 3.1 314 18 104.5 44.8 13.4 6.5 22.7 0.00 109.0 91.9 4.9 12.1 4.5 317 19 102.9 43.9 13.7 6.2 6.9 0.00 106.3 92.1 4.3 8.1 4.0 312 20 99.5 45.9 16.3 5.4 0.0 0.00 103.5 92.1 2.0 6.3 2.0 314 21 95.7 48.0 19.8 4.6 0.0 0.00 100.6 92.3 0.4 1.3 0.4 353 22 95.0 47.7 20.0 4.5 0.0 0.00 98.2 92.5 0.7 2.7 0.7 68 23 93.0 52.0 25.1 4.0 0.0 0.00 96.1 92.7 1.1 4.3 0.9 207 24 90.9 52.7 27.5 3.6 0.0 0.00 94.5 92.7 0.7 3.6 0.2 244 AZMET Daily Weather Data : MESA : Aug 20 2008 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 106.9 82.2 94.8 DegF RELATIVE HUMIDITY 37.4 12.5 24.8 % DEWPOINT 51.6 DegF ACTUAL VAPOR PRESS. 1.3 KPas VAPOR PRESS. DEF. 4.4 KPas SOIL TEMP. 4 in 110.8 87.4 98.1 DegF SOIL TEMP. 20 in 93.0 91.9 92.5 DegF WIND SPEED 14.3 2.7 MPH WIND VECTOR MAG. 0.4 MPH WIND VECTOR DIR. 101 Degrees SOLAR RADIATION 591.8 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.29 Inches STD. REF. EVAPOTRANSPIRATION 0.25 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 30.4 4195 35.5 5215 40.5 6312 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