Heating and Wind Design Conditions for Oklahoma

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
Altus, AFB 34.67 99.27 1378 13.978 13 19 23 21 19 24 40 21 42 9 20 10 190 107 7 3.4 7.7
Enid, Vance AFB 36.33 97.92 1306 14.015 5 12 26 23 20 27 38 23 38 12 10 11 190 105 1 3.6 6.7
Lawton, Fort Sill/Post Field 34.65 98.40 1188 14.076 12 19 24 21 19 26 35 22 36 11 10 11 170 103 8 2.5 7.4
McAlester 34.88 95.78 771 14.291 10 17 20 18 16 21 47 19 45 9 360 9 190 102 4 4.0 8.3
Oklahoma City, Tinker AFB 35.42 97.38 1293 14.022 10 17 24 22 19 25 42 22 42 10 10 11 190 103 6 3.2 6.1
Oklahoma City, W. Rogers A 35.40 97.60 1302 14.017 9 15 29 25 23 29 33 26 37 15 360 13 180 103 4 3.4 4.9
Tulsa 36.20 95.90 676 14.340 9 14 25 23 21 24 46 22 40 11 360 12 180 103 3 3.6 5.6