Heating and Wind Design Conditions for Louisiana

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
Alexandria, England AFB 31.33 92.55 89 14.648 27 30 16 13 12 17 53 15 49 7 360 3 180 98 20 2.2 6.3
Baton Rouge 30.53 91.15 69 14.659 27 30 20 18 16 21 48 19 49 8 360 8 270 97 20 2.2 5.4
Bossier City, Barksdale AFB 32.50 93.67 167 14.607 22 27 18 16 14 19 49 16 51 7 360 5 180 99 15 2.3 6.7
Lafayette 30.20 91.98 43 14.673 28 32 21 18 16 21 54 19 53 9 10 8 200 97 19 1.6 8.1
Lake Charles 30.12 93.22 33 14.678 29 32 22 19 17 24 50 21 49 10 20 8 230 96 23 2.3 4.7
Leesville, Fort Polk 31.05 93.20 328 14.522 27 30 16 13 12 16 51 14 52 4 20 4 180 98 20 2.0 5.9
Monroe 32.52 92.03 79 14.654 22 27 19 17 15 20 50 18 47 9 10 7 230 99 17 1.8 8.5
New Orleans, Int’l Airport 29.98 90.25 30 14.680 30 34 21 19 17 21 48 19 49 7 340 8 360 96 23 2.0 5.3
New Orleans, Lakefront A 30.05 90.03 10 14.690 35 39 22 19 18 21 49 20 50 14 360 9 300 94 21 8.1 12.4
Shreveport 32.47 93.82 259 14.558 22 26 20 18 16 22 46 19 48 9 360 8 180 99 16 3.1 5.6