ANNUAL CLIMATOLOGICAL SUMMARY for 2011 NAME: Decatur COUNTY: Limestone STATE: AL ELEV: 577 ft LAT: 34.6 N LONG: 86.9 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 43.5 23.5 36.4 5.6 752.8 0.6 69.8 29 0.0 25 0 6 21 5 2011 02 57.2 34.8 46.9 -2.2 482.8 14.8 75.2 28 0.0 28 0 0 14 1 2011 03 62.9 40.0 53.5 -0.3 305.1 27.6 82.4 20 0.0 30 0 0 3 3 2011 04 75.1 49.6 64.1 -2.9 126.7 106.2 87.8 09 0.0 27 0 0 3 3 2011 05 80.7 60.1 71.3 -1.5 51.8 197.9 95.0 31 46.4 18 4 0 0 0 2011 06 88.3 56.0 76.4 0.4 84.3 395.3 96.8 15 0.0 22 20 1 6 6 2011 07 76.0 53.9 67.4 10.6 292.5 353.4 96.8 27 0.0 11 18 5 8 8 2011 08 78.0 59.3 71.6 5.9 157.7 322.1 100.4 03 0.0 07 17 4 4 4 2011 09 79.4 58.0 68.4 3.7 67.1 157.8 96.8 02 39.2 30 3 0 0 0 2011 10 71.0 41.7 57.7 3.6 250.7 59.9 86.0 17 0.0 30 0 0 5 4 2011 11 62.0 33.2 50.7 0.0 396.8 14.4 73.4 15 0.0 28 0 0 12 6 2011 12 54.6 33.5 42.9 1.8 606.0 0.8 69.8 04 0.0 31 0 0 14 3 ---------------------------------------------------------------------------------------------- 68.9 45.1 58.8 1.7 3574.3 1650.8 100.4 MAY 0.0 DEC 62 16 90 43 PRECIPITATION (in) DEP. MAX ---DAYS OF RAIN--- FROM OBS. OVER YR MO TOTAL NORM DAY DATE 0.01 0.10 1.00 --------------------------------------------------------- 2011 01 61.31 57.91 0.43 01 9 2 0 2011 02 81.98 77.38 0.59 24 6 3 0 2011 03 64.36 60.26 0.44 26 10 7 0 2011 04 63.07 59.17 0.93 27 6 5 0 2011 05 54.25 51.05 0.07 13 3 0 0 2011 06 48.29 45.39 0.52 28 7 4 0 2011 07 62.55 58.45 0.22 14 3 2 0 2011 08 43.67 40.57 0.06 13 3 0 0 2011 09 36.48 34.08 0.08 05 8 0 0 2011 10 40.16 37.46 0.23 18 5 2 0 2011 11 51.07 47.87 0.63 16 8 4 0 2011 12 88.98 83.88 0.32 26 10 5 0 --------------------------------------------------------- 696.18 671.08 0.93 APR 78 34 0 WIND SPEED (mph) DOM YR MO AVG HI DATE DIR ---------------------------------- 2011 12 5.4 29.9 07 SE 2011 12 8.7 41.4 28 SSE 2011 12 6.9 31.1 09 SE 2011 12 9.3 43.7 04 SSE 2011 12 6.3 33.4 25 SE 2011 12 5.1 40.3 24 ESE 2011 12 3.0 21.9 13 ENE 2011 12 3.2 28.8 13 E 2011 12 4.2 27.6 06 E 2011 12 5.4 31.1 19 ESE 2011 12 8.5 35.7 27 SSE 2011 12 6.0 31.1 30 SE ---------------------------------- 6.0 43.7 APR ESE