Heating and Wind Design Conditions for Alabama

City Lat. Long. Elev. Std. Pres. Heating Dry Bulb, °F Extreme Wind Speed, mph Coldest Month WS / MCDB MCWS / MCWD to DB Annual Extreme Daily
0.4% 1% 99.6% 0.4% Mean DB Std. DB
°N °W Feet psia 99.6% 99% 1% 2.5% 5% WS MCDB WS MCDB MCWS PWD MCWS PWD Max Min Max Min
Anniston 33.58 85.85 610 14.374 19 24 16 14 13 18 47 15 46 6 300 7 240 98 10 3.2 7.4
Birmingham 33.57 86.75 630 14.364 18 23 19 17 15 20 41 18 42 7 340 9 320 98 9 3.3 6.4
Dothan 31.32 85.45 400 14.484 28 32 18 17 15 19 45 17 47 9 320 8 320 99 16 1.6 7.2
Huntsville 34.65 86.77 643 14.357 15 20 23 20 18 23 40 21 40 10 340 10 270 97 7 3.0 7.5
Mobile 30.68 88.25 220 14.579 26 30 22 19 17 23 48 21 48 10 360 9 320 97 18 1.9 6.3
Montgomery 32.30 86.40 203 14.588 24 27 20 17 15 20 45 18 45 7 360 8 270 98 15 2.9 6.3
Muscle Shoals/Florence 34.75 87.62 551 14.405 16 21 18 16 14 19 42 17 42 9 360 7 290 98 7 3.1 9.2
Ozark, Fort Rucker 31.28 85.72 299 14.538 28 31 16 13 12 17 49 15 47 5 340 5 300 99 18 2.3 5.9
Tuscaloosa 33.22 87.62 171 14.605 20 24 17 14 13 18 47 16 51 5 360 7 240 99 11 1.8 6.8