Heating and Wind Design Conditions for Idaho

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
Boise 43.57 116.22 874 91.26 -16.8 -12.6 10.5 9.2 8.0 9.8 2.6 8.5 2.7 2.5 130 4.7 320 39.4 -19.8 1.5 5.1
Burley 42.55 113.77 1265 87.02 -20.4 -16.7 10.3 9.4 8.4 10.4 -1.3 9.7 -2.3 3.0 60 3.6 280 36.5 -23.9 2.2 4.7
Idaho Falls 43.52 112.07 1445 85.13 -24.4 -20.9 12.2 10.4 9.3 12.4 0.1 10.4 -1.5 3.3 360 5.2 180 35.6 -28.9 2.0 5.0
Lewiston 46.38 117.02 438 96.17 -14.2 -9.7 9.1 7.7 6.3 10.9 3.6 8.9 4.5 2.2 280 3.1 310 39.4 -16.3 1.5 5.5
Mountain Home, AFB 43.05 115.87 913 90.83 -17.9 -14.8 10.4 9.2 8.1 10.4 0.3 9.4 -0.3 1.0 90 3.5 350 40.7 -21.1 1.8 4.7
Mullan 47.47 115.80 1011 89.75 -18.5 -13.8 4.6 4.3 3.9 4.7 -7.7 4.2 -6.2 0.8 10 1.8 10 33.1 -21.7 1.1 4.4
Pocatello 42.92 112.60 1365 85.97 -21.6 -17.7 13.1 11.2 10.1 13.4 2.0 12.0 2.1 2.5 50 5.0 250 36.7 -26.0 1.3 5.1