AZMET Hourly Weather Data : TUCSON : Sep 4 2008 HR AT TD RH VPD SR PPT ST4 ST20 WS WSX WVM WVD 1 73.2 63.9 72.6 0.8 0.0 0.00 77.9 79.7 0.9 4.0 0.9 45 2 71.6 64.4 78.1 0.6 0.0 0.00 77.0 79.7 1.8 3.4 1.6 72 3 70.7 63.5 77.7 0.6 0.0 0.00 76.3 79.5 1.6 2.7 1.3 114 4 71.6 61.7 71.2 0.8 0.0 0.00 75.6 79.5 1.8 3.1 1.8 84 5 70.3 62.4 76.3 0.6 0.0 0.00 74.8 79.5 1.8 2.7 1.8 82 6 68.7 63.1 82.8 0.4 0.0 0.00 74.3 79.3 1.6 3.4 0.9 85 7 70.0 63.3 79.9 0.5 5.5 0.00 73.8 79.2 1.3 3.1 1.3 75 8 75.6 63.3 66.0 1.0 22.0 0.00 74.3 79.2 2.7 5.6 2.7 97 9 79.9 63.1 56.6 1.5 39.7 0.00 76.1 79.0 2.5 5.1 2.2 78 10 84.9 61.9 46.0 2.2 55.7 0.00 79.0 78.8 1.8 5.1 1.6 96 11 87.8 60.3 39.9 2.7 68.1 0.00 82.4 78.6 1.8 4.9 1.3 66 12 90.0 58.6 35.2 3.1 75.5 0.00 85.8 78.6 2.7 8.1 0.9 325 13 92.3 54.9 28.4 3.7 77.6 0.00 88.7 78.4 4.9 12.8 4.3 307 14 94.3 54.7 26.5 4.1 75.3 0.00 91.0 78.4 6.3 12.3 5.6 299 15 95.7 50.5 21.8 4.5 70.7 0.00 92.7 78.4 6.9 12.8 5.1 322 16 96.1 47.5 19.3 4.7 50.2 0.00 93.2 78.4 5.6 12.1 4.9 335 17 96.3 46.9 18.6 4.8 35.8 0.00 92.8 78.6 4.5 9.8 3.8 347 18 95.2 45.9 18.5 4.6 17.2 0.00 91.4 78.8 6.3 11.2 6.0 335 19 92.7 45.0 19.5 4.2 2.4 0.00 89.1 79.0 4.9 10.3 4.7 312 20 88.7 44.8 21.9 3.6 0.0 0.00 86.9 79.3 3.1 6.3 3.1 323 21 83.5 49.6 31.3 2.7 0.0 0.00 84.9 79.5 2.2 4.3 2.2 271 22 78.8 53.2 41.3 2.0 0.0 0.00 83.3 79.7 1.1 4.0 0.4 106 23 74.8 57.4 54.6 1.3 0.0 0.00 81.7 79.9 1.1 3.6 1.1 86 24 73.2 58.1 59.1 1.1 0.0 0.00 80.4 80.1 2.0 4.0 1.6 94 AZMET Daily Weather Data : TUCSON : Sep 4 2008 MAX. MIN. MEAN TOTAL UNITS TEMPERATURE 97.2 67.3 82.4 DegF RELATIVE HUMIDITY 87.5 15.0 47.6 % DEWPOINT 56.7 DegF ACTUAL VAPOR PRESS. 1.6 KPas VAPOR PRESS. DEF. 2.3 KPas SOIL TEMP. 4 in 93.2 73.8 82.6 DegF SOIL TEMP. 20 in 80.1 78.4 79.2 DegF WIND SPEED 12.8 2.9 MPH WIND VECTOR MAG. 1.3 MPH WIND VECTOR DIR. 350 Degrees SOLAR RADIATION 595.8 Langleys PRECIPITATION 0.00 Inches AZMET REF. EVAPOTRANSPIRATION 0.26 Inches STD. REF. EVAPOTRANSPIRATION 0.22 Inches HEAT UNITS 86/55F 86/50F 86/45F ---------- DAY CUM DAY CUM DAY CUM SINE CURVE 24.3 3671 29.3 4637 34.2 5693 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