ANNUAL CLIMATOLOGICAL SUMMARY for 2011 NAME: Birmingham COUNTY: Jefferson STATE: AL ELEV: 644 ft LAT: 33.5 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 48.4 29.6 40.1 5.8 680.5 1.5 71.6 29 0.0 10 0 3 16 2 2011 02 60.1 36.9 50.2 -0.4 427.1 29.2 80.6 28 0.0 09 0 0 10 2 2011 03 65.6 49.4 59.0 -0.8 169.4 44.9 84.2 20 37.4 12 0 0 0 0 2011 04 76.4 54.7 66.4 -2.5 91.1 122.3 86.0 09 0.0 15 0 0 2 2 2011 05 81.0 59.7 72.4 -0.6 45.8 211.6 95.0 31 0.0 14 5 0 1 1 2011 06 93.1 69.5 82.1 -3.3 2.8 472.3 98.6 19 0.0 10 24 0 1 1 2011 07 91.2 67.2 81.3 -0.4 10.8 475.1 96.8 12 0.0 21 20 0 3 3 2011 08 93.0 70.9 82.7 -2.1 4.1 466.3 98.6 26 0.0 07 24 0 1 1 2011 09 81.7 56.7 71.4 3.9 46.2 224.0 98.6 01 0.0 20 3 0 3 3 2011 10 70.7 50.7 61.2 3.1 165.3 71.9 86.0 17 33.8 31 0 0 0 0 2011 11 65.4 40.7 55.7 -2.0 286.1 28.1 77.0 16 0.0 28 0 0 7 4 2011 12 57.9 41.0 48.4 0.7 459.8 3.8 71.6 14 24.8 01 0 0 8 0 ---------------------------------------------------------------------------------------------- 73.7 52.2 64.2 0.1 2389.0 2151.0 98.6 MAY 0.0 NOV 76 3 52 19 PRECIPITATION (in) DEP. MAX ---DAYS OF RAIN--- FROM OBS. OVER YR MO TOTAL NORM DAY DATE 0.01 0.10 1.00 --------------------------------------------------------- 2011 01 51.62 48.22 0.22 09 8 2 0 2011 02 70.35 65.85 0.19 01 4 1 0 2011 03 65.08 60.48 0.48 26 8 6 0 2011 04 65.04 60.54 0.54 04 7 3 0 2011 05 57.37 53.57 0.10 13 4 1 0 2011 06 66.66 62.46 0.63 17 5 3 0 2011 07 85.53 79.63 1.69 04 9 4 1 2011 08 46.94 43.44 0.28 07 2 1 0 2011 09 33.42 31.02 0.94 05 8 3 0 2011 10 38.94 35.94 0.04 10 2 0 0 2011 11 36.18 33.68 0.66 22 9 5 0 2011 12 59.89 55.79 0.62 22 10 5 0 --------------------------------------------------------- 677.03 634.23 1.69 JUL 76 34 1 WIND SPEED (mph) DOM YR MO AVG HI DATE DIR ---------------------------------- 2011 12 5.7 36.8 01 SE 2011 12 7.3 39.1 24 SE 2011 12 6.7 38.0 09 SE 2011 12 8.5 42.6 27 SSE 2011 12 5.6 28.8 25 SE 2011 12 5.6 42.6 17 ESE 2011 12 4.0 32.2 13 E 2011 12 4.3 41.4 07 ESE 2011 12 4.9 47.2 05 ESE 2011 12 5.2 28.8 13 E 2011 12 7.2 31.1 03 SE 2011 12 5.5 31.1 05 ESE ---------------------------------- 5.8 47.2 JUL ESE