MONTHLY CLIMATOLOGICAL SUMMARY for JUL. 2004 NAME: Herndon CITY: Herndon STATE: KY ELEV: 535 ft LAT: 36° 44' 10" N LONG: 87° 35' 55" W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 2 3 4 5 72.0 73.9 8:30p 70.8 11:30p 0.0 1.2 0.00 3.0 12.0 10:00p S 6 74.2 88.8 2:30p 66.1 5:00a 0.0 9.2 0.42 2.1 19.0 3:00p S 7 74.4 84.3 3:30p 65.6 12:00m 0.0 9.4 0.01 2.7 18.0 2:00p NW 8 73.5 85.3 3:30p 61.0 5:00a 0.6 9.0 0.00 0.9 10.0 1:30p SW 9 78.2 89.3 5:00p 67.1 4:30a 0.0 13.2 0.10 2.3 16.0 11:00a SW 10 77.3 87.6 1:30p 66.9 5:00a 0.0 12.3 0.51 1.8 16.0 10:30p SW 11 77.6 88.6 3:00p 67.8 6:00a 0.0 12.1 0.01 1.5 18.0 4:00p SW 12 81.5 90.3 4:30p 70.9 5:30a 0.0 16.5 0.00 2.5 14.0 2:00p WNW 13 81.5 92.1 3:30p 67.4 10:00p 0.0 16.5 0.08 3.1 27.0 9:00p NNW 14 76.5 84.9 2:00p 65.6 12:00m 0.0 11.5 0.01 4.0 19.0 3:30p N 15 73.0 84.9 3:30p 62.1 4:30a 0.5 8.5 0.00 1.7 14.0 2:00p N 16 72.5 81.2 11:00a 62.3 2:00a 0.4 7.9 0.00 1.1 13.0 2:00p SW 17 73.7 84.1 3:30p 65.6 4:30a 0.0 8.7 0.26 1.5 12.0 4:30p N 18 73.1 83.4 3:00p 62.9 12:00m 0.1 8.2 0.00 2.0 14.0 11:30a N 19 71.9 84.9 3:30p 58.4 6:30a 1.3 8.3 0.00 1.0 11.0 1:30p N 20 73.7 85.7 4:00p 59.6 5:00a 1.1 9.8 0.00 1.1 11.0 12:00p SW 21 78.4 88.2 4:30p 67.8 5:30a 0.0 13.4 0.00 1.8 13.0 11:00a SSW 22 79.3 90.5 3:30p 71.1 9:30p 0.0 14.3 0.05 2.6 19.0 9:30p WSW 23 77.6 89.0 4:30p 66.9 5:30a 0.0 12.6 0.00 1.1 11.0 6:00p NE 24 76.4 84.7 4:00p 69.8 6:00a 0.0 11.4 0.00 3.4 12.0 9:30a E 25 70.1 76.8 3:30p 65.0 4:00a 0.0 5.1 0.16 1.3 10.0 10:00a N 26 66.8 69.6 3:00p 62.1 12:00m 0.1 1.9 0.00 1.9 12.0 4:30p N 27 67.0 80.3 4:00p 54.2 6:00a 3.1 5.0 0.00 1.7 13.0 3:00p N 28 67.3 82.0 3:30p 51.0 6:30a 4.1 6.3 0.00 1.6 13.0 1:00p E 29 71.0 84.3 2:30p 58.9 5:30a 1.3 7.3 0.00 0.7 10.0 12:30p N 30 74.2 88.4 3:00p 63.2 1:00a 0.1 9.3 1.61 2.4 18.0 12:00p SSW 31 75.2 83.6 4:30p 63.4 12:00m 0.1 10.2 0.34 1.9 13.0 3:00p N ------------------------------------------------------------------------------------- 74.4 92.1 13 51.0 28 12.8 259.1 3.56 2.0 27.0 13 N Max >= 90.0: 3 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 1.61 ON 07/30/04 Days of Rain: 9 (>.01 in) 6 (>.1 in) 1 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration