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 |