Heating and Wind Design Conditions for North Carolina

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
Asheville 35.43 82.55 2169 13.580 11 16 25 22 19 26 26 23 28 11 340 9 340 91 3 2.6 6.8
Cape Hatteras 35.27 75.55 10 14.690 26 29 26 22 20 27 47 23 47 11 340 11 230 91 20 2.0 4.9
Charlotte 35.22 80.93 768 14.292 18 23 20 17 15 20 44 18 45 6 50 9 240 97 10 2.9 6.0
Cherry Point, Mcas 34.90 76.88 30 14.680 24 28 19 16 15 19 43 17 48 5 10 7 240 100 12 2.5 8.5
Fayetteville, Fort Bragg 35.13 78.93 243 14.567 22 27 17 14 12 19 42 16 44 4 10 6 240 100 15 3.8 6.8
Goldsboro, Johnson AFB 35.33 77.97 108 14.638 22 27 17 14 12 18 46 15 44 4 270 8 260 100 14 3.1 7.4
Greensboro 36.08 79.95 886 14.231 15 19 19 17 15 20 40 18 40 7 290 8 230 96 7 2.7 5.0
Hickory 35.73 81.38 1188 14.076 18 23 17 15 13 18 41 16 41 4 320 9 240 97 8 3.2 6.8
Jacksonville, New River Mcaf 34.72 77.45 26 14.681 23 27 18 16 14 19 49 17 47 5 350 7 240 99 13 2.0 8.8
New Bern 35.07 77.05 20 14.685 22 27 18 16 14 19 49 17 47 6 10 8 240 99 13 1.4 8.3
Raleigh/Durham 35.87 78.78 440 14.463 16 20 21 18 16 21 42 19 43 8 360 9 240 96 9 2.9 5.3
Wilmington 34.27 77.90 33 14.678 23 27 21 19 17 22 51 20 48 7 320 10 220 97 17 2.2 5.7
Winston-Salem 36.13 80.22 971 14.187 18 23 19 17 15 21 38 19 38 7 290 8 240 96 8 2.7 5.8