ANNUAL CLIMATOLOGICAL SUMMARY for 2011 NAME: Huntsville COUNTY: Madison STATE: AL ELEV: 626 ft LAT: 34.6 N LONG: 86.8 W TEMPERATURE (F), RAIN (in), WIND SPEED (mph) DEP HEAT COOL MEAN MEAN FROM DEG DEG MAX MAX MIN MIN YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0 ---------------------------------------------------------------------------------------------- 2011 01 44.9 28.2 37.6 5.1 718.1 0.8 71.6 29 0.0 20 0 3 18 2 2011 02 56.8 36.5 46.6 0.0 458.7 13.2 75.2 28 0.0 11 0 0 11 1 2011 03 62.5 44.3 54.6 0.7 249.1 27.1 80.6 20 0.0 26 0 0 1 1 2011 04 75.1 52.6 64.5 -2.3 110.3 99.2 89.6 09 0.0 27 0 0 2 2 2011 05 80.7 59.5 71.2 -0.4 46.4 171.9 93.2 31 0.0 26 3 0 1 1 2011 06 90.9 67.3 80.7 -2.7 8.4 382.5 98.6 15 0.0 29 17 0 2 2 2011 07 89.9 71.3 81.3 -1.6 2.7 412.0 96.8 31 0.0 09 16 0 1 1 2011 08 90.5 66.0 79.5 -0.5 7.0 376.8 98.6 02 0.0 12 19 0 2 2 2011 09 79.6 60.5 69.8 3.6 47.3 178.6 98.6 02 44.6 30 3 0 0 0 2011 10 70.2 46.4 60.0 2.8 188.7 66.5 86.0 17 0.0 12 0 0 2 1 2011 11 63.5 43.4 54.0 -1.6 329.1 20.5 75.2 14 0.0 09 0 0 4 1 2011 12 55.3 37.8 46.4 -0.7 541.7 2.1 71.6 14 23.0 11 0 0 10 0 ---------------------------------------------------------------------------------------------- 71.7 51.2 61.8 0.2 2707.5 1751.2 98.6 MAY 0.0 NOV 58 3 54 14 PRECIPITATION (in) DEP. MAX ---DAYS OF RAIN--- FROM OBS. OVER YR MO TOTAL NORM DAY DATE 0.01 0.10 1.00 --------------------------------------------------------- 2011 01 70.16 66.46 0.84 01 8 3 0 2011 02 92.43 87.73 0.43 24 7 2 0 2011 03 73.52 69.32 0.22 27 7 5 0 2011 04 65.63 61.83 1.31 27 4 4 1 2011 05 62.42 58.92 0.37 26 3 1 0 2011 06 51.83 49.03 0.40 24 7 5 0 2011 07 70.85 66.75 0.19 10 3 2 0 2011 08 51.22 48.12 1.00 08 4 3 1 2011 09 45.15 42.55 0.32 05 6 2 0 2011 10 46.26 43.56 0.29 13 6 1 0 2011 11 56.35 53.15 0.37 16 9 3 0 2011 12 98.10 92.90 0.64 26 10 6 0 --------------------------------------------------------- 783.93 748.63 1.31 APR 74 37 2 WIND SPEED (mph) DOM YR MO AVG HI DATE DIR ---------------------------------- 2011 12 6.3 29.9 11 SSE 2011 12 8.6 40.3 24 SSE 2011 12 7.7 34.5 08 SSE 2011 12 8.7 49.5 04 SSE 2011 12 6.5 32.2 25 SSE 2011 12 5.7 35.7 22 ESE 2011 12 3.8 35.7 04 E 2011 12 3.3 39.1 13 E 2011 12 5.0 27.6 05 ESE 2011 12 5.7 27.6 19 ESE 2011 12 8.3 32.2 13 SSE 2011 12 6.2 34.5 20 SE ---------------------------------- 6.3 49.5 APR SE