Heating and Wind Design Conditions for North Dakota

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
Bismarck 46.77 100.75 1660 13.835 -21 -16 29 25 22 29 13 25 16 7 290 13 180 100 -30 3.6 6.4
Devils Lake 48.10 98.87 1453 13.940 -23 -19 26 22 20 27 12 24 10 9 300 11 10 98 -27 7.0 5.0
Fargo 46.90 96.80 899 14.224 -22 -17 31 27 24 32 7 28 7 8 180 14 160 98 -27 3.4 4.4
Grand Forks, AFB 47.97 97.40 912 14.217 -20 -16 27 24 21 30 9 26 13 7 290 13 180 98 -25 4.7 4.9
Minot, AFB 48.42 101.35 1667 13.832 -21 -16 28 24 21 30 18 27 16 10 310 12 150 101 -25 3.8 7.4
Minot, Int’l Airport 48.27 101.28 1716 13.807 -20 -16 28 24 22 30 14 27 14 12 290 13 200 98 -25 3.0 4.8
Williston 48.18 103.63 1906 13.711 -24 -18 27 23 21 28 25 24 20 8 220 14 150 101 -30 4.5 8.3