Cooling and Dehumidification Design Conditions for Montana
City | Lat. | Long. | Elev. | Std. Pres. | Cooling DB / MCWB | WB / MCDB | DP / MCDB and HR | Range of DB | ||||||||||||||||||
0.4% | 1% | 2% | 0.4% | 1% | 2% | 0.4% | 1% | 2% | ||||||||||||||||||
°N | °W | Meters | kPa | DB | MCWB | DB | MCWB | DB | MCWB | WB | MCDB | WB | MCDB | WB | MCDB | DP | HR | MCDB | DP | HR | MCDB | DP | HR | MCDB | ||
Billings | 45.80 | 108.53 | 1088 | 88.92 | 34.1 | 16.9 | 32.3 | 16.6 | 30.4 | 16.2 | 18.6 | 30.1 | 17.7 | 29.1 | 16.9 | 28.2 | 14.7 | 11.9 | 21.8 | 13.7 | 11.1 | 21.4 | 12.7 | 10.5 | 20.8 | 14.3 |
Bozeman | 45.78 | 111.15 | 1364 | 85.98 | 33.0 | 16.0 | 30.8 | 15.6 | 29.2 | 15.1 | 17.6 | 28.4 | 16.6 | 27.6 | 15.9 | 27.0 | 14.2 | 11.9 | 20.5 | 13.1 | 11.1 | 19.4 | 11.7 | 10.1 | 19.0 | 17.6 |
Butte | 45.95 | 112.50 | 1690 | 82.60 | 30.2 | 13.8 | 28.8 | 13.3 | 26.9 | 13.0 | 15.6 | 24.5 | 14.6 | 24.7 | 13.9 | 24.3 | 12.2 | 10.9 | 16.2 | 11.0 | 10.0 | 17.0 | 10.0 | 9.4 | 16.5 | 17.5 |
Cut Bank | 48.60 | 112.37 | 1175 | 87.98 | 30.7 | 15.3 | 28.8 | 14.8 | 26.8 | 14.2 | 16.8 | 27.3 | 15.8 | 26.3 | 14.9 | 25.2 | 13.3 | 11.0 | 19.5 | 11.9 | 10.0 | 18.2 | 10.8 | 9.3 | 17.4 | 14.5 |
Glasgow | 48.22 | 106.62 | 700 | 93.19 | 34.2 | 17.6 | 32.2 | 17.2 | 30.2 | 16.7 | 19.8 | 29.4 | 18.6 | 28.6 | 17.7 | 27.5 | 16.8 | 13.0 | 23.2 | 15.4 | 11.9 | 21.4 | 14.2 | 11.0 | 20.7 | 14.1 |
Great Falls, Int’l Airport | 47.48 | 111.37 | 1115 | 88.63 | 33.2 | 16.0 | 31.3 | 15.5 | 29.4 | 15.1 | 17.7 | 28.8 | 16.8 | 27.9 | 15.9 | 26.9 | 14.1 | 11.5 | 20.6 | 12.9 | 10.6 | 19.6 | 11.8 | 9.9 | 19.1 | 15.1 |
Great Falls, Malmstrom AFB | 47.50 | 111.18 | 1075 | 89.06 | 33.7 | 16.5 | 31.6 | 16.1 | 29.9 | 15.7 | 18.4 | 29.5 | 17.4 | 28.1 | 16.5 | 27.0 | 14.8 | 12.0 | 21.5 | 13.7 | 11.1 | 20.5 | 12.3 | 10.2 | 20.2 | 14.6 |
Havre | 48.55 | 109.77 | 792 | 92.17 | 34.3 | 17.1 | 32.0 | 16.6 | 30.2 | 16.3 | 19.0 | 30.4 | 17.8 | 28.8 | 16.9 | 27.9 | 15.4 | 12.0 | 22.0 | 14.2 | 11.1 | 20.4 | 13.3 | 10.5 | 19.9 | 15.5 |
Helena | 46.60 | 112.00 | 1188 | 87.84 | 32.4 | 15.6 | 30.7 | 15.2 | 28.8 | 14.8 | 17.2 | 27.9 | 16.3 | 27.4 | 15.6 | 26.6 | 13.8 | 11.4 | 19.9 | 12.5 | 10.4 | 19.1 | 11.3 | 9.7 | 19.1 | 15.6 |
Kalispell | 48.30 | 114.27 | 906 | 90.90 | 31.7 | 16.7 | 29.8 | 16.2 | 27.9 | 15.7 | 18.1 | 28.3 | 17.2 | 27.3 | 16.3 | 25.9 | 14.7 | 11.7 | 20.7 | 13.6 | 10.9 | 19.6 | 12.6 | 10.2 | 19.4 | 16.6 |
Lewistown | 47.05 | 109.47 | 1270 | 86.97 | 31.9 | 15.9 | 29.7 | 15.6 | 27.8 | 15.2 | 18.0 | 27.4 | 16.9 | 26.6 | 16.1 | 25.7 | 14.7 | 12.2 | 21.5 | 13.5 | 11.3 | 20.5 | 12.4 | 10.5 | 19.4 | 15.7 |
Miles City | 46.43 | 105.87 | 801 | 92.07 | 35.9 | 18.6 | 34.1 | 18.2 | 32.1 | 17.7 | 20.7 | 31.6 | 19.6 | 30.2 | 18.7 | 29.1 | 17.3 | 13.6 | 24.6 | 16.1 | 12.6 | 23.7 | 14.9 | 11.7 | 22.8 | 14.4 |
Missoula | 46.92 | 114.08 | 972 | 90.18 | 33.0 | 16.7 | 31.2 | 16.2 | 29.2 | 15.7 | 18.1 | 28.6 | 17.2 | 27.9 | 16.4 | 27.0 | 14.7 | 11.7 | 20.2 | 13.5 | 10.9 | 20.2 | 12.6 | 10.2 | 18.9 | 17.4 |