Heating and Wind Design Conditions for Idaho
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 | |
Boise | 43.57 | 116.22 | 2867 | 13.235 | 2 | 9 | 24 | 21 | 18 | 22 | 37 | 19 | 37 | 6 | 130 | 11 | 320 | 103 | -4 | 2.7 | 9.1 |
Burley | 42.55 | 113.77 | 4150 | 12.621 | -5 | 2 | 23 | 21 | 19 | 23 | 30 | 22 | 28 | 7 | 60 | 8 | 280 | 98 | -11 | 4.0 | 8.5 |
Idaho Falls | 43.52 | 112.07 | 4741 | 12.346 | -12 | -6 | 27 | 23 | 21 | 28 | 32 | 23 | 29 | 7 | 360 | 12 | 180 | 96 | -20 | 3.6 | 9.0 |
Lewiston | 46.38 | 117.02 | 1437 | 13.948 | 6 | 15 | 20 | 17 | 14 | 24 | 38 | 20 | 40 | 5 | 280 | 7 | 310 | 103 | 3 | 2.7 | 9.9 |
Mountain Home, AFB | 43.05 | 115.87 | 2995 | 13.173 | 0 | 5 | 23 | 21 | 18 | 23 | 33 | 21 | 31 | 2 | 90 | 8 | 350 | 105 | -6 | 3.2 | 8.5 |
Mullan | 47.47 | 115.80 | 3317 | 13.017 | -1 | 7 | 10 | 10 | 9 | 11 | 18 | 9 | 21 | 2 | 10 | 4 | 10 | 92 | -7 | 2.0 | 7.9 |
Pocatello | 42.92 | 112.60 | 4478 | 12.468 | -7 | 0 | 29 | 25 | 23 | 30 | 36 | 27 | 36 | 6 | 50 | 11 | 250 | 98 | -15 | 2.3 | 9.1 |