Heating and Wind Design Conditions for North Dakota

City Lat. Long. Elev. Std. Pres. Heating Dry Bulb, °C Extreme Wind Speed, m/s Coldest Month WS / MCDB MCWS / MCWD to DB Annual Extreme Daily
0.4% 1% 99.6% 0.4% Mean DB Std. DB
°N °W Meters kPa 99.6% 99% 1% 2.5% 5% WS MCDB WS MCDB MCWS PWD MCWS PWD Max Min Max Min
Bismarck 46.77 100.75 506 95.39 -29.6 -26.6 13.0 11.2 10.0 13.0 -10.4 11.3 -8.8 3.0 290 5.9 180 37.9 -34.7 2.0 3.6
Devils Lake 48.10 98.87 443 96.12 -30.6 -28.1 11.4 10.0 8.8 12.1 -11.1 10.5 -12.0 4.0 300 5.0 10 36.4 -32.7 3.9 2.8
Fargo 46.90 96.80 274 98.08 -29.7 -27.3 13.6 12.0 10.7 14.4 -14.2 12.5 -13.9 3.6 180 6.4 160 36.6 -32.7 1.9 2.4
Grand Forks, AFB 47.97 97.40 278 98.03 -29.1 -26.6 12.2 10.5 9.4 13.3 -12.9 11.6 -10.6 3.3 290 5.6 180 36.9 -31.9 2.6 2.7
Minot, AFB 48.42 101.35 508 95.37 -29.2 -26.5 12.5 10.5 9.4 13.6 -7.5 12.2 -8.9 4.5 310 5.3 150 38.1 -31.7 2.1 4.1
Minot, Int’l Airport 48.27 101.28 523 95.20 -28.9 -26.6 12.3 10.7 9.8 13.4 -9.8 11.9 -10.1 5.3 290 5.8 200 36.9 -31.9 1.7 2.7
Williston 48.18 103.63 581 94.54 -31.0 -27.7 12.2 10.4 9.3 12.6 -3.8 10.6 -6.7 3.6 220 6.4 150 38.2 -34.3 2.5 4.6