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 | Feet | psia | 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 | 3570 | 12.896 | 93 | 63 | 90 | 62 | 87 | 61 | 65 | 86 | 64 | 84 | 62 | 83 | 59 | 83 | 71 | 57 | 78 | 71 | 55 | 74 | 70 | 25.8 |
Bozeman | 45.78 | 111.15 | 4475 | 12.469 | 91 | 61 | 87 | 60 | 85 | 59 | 64 | 83 | 62 | 82 | 61 | 81 | 58 | 83 | 69 | 56 | 78 | 67 | 53 | 71 | 66 | 31.7 |
Butte | 45.95 | 112.50 | 5545 | 11.980 | 86 | 57 | 84 | 56 | 80 | 55 | 60 | 76 | 58 | 76 | 57 | 76 | 54 | 76 | 61 | 52 | 70 | 63 | 50 | 66 | 62 | 31.5 |
Cut Bank | 48.60 | 112.37 | 3855 | 12.760 | 87 | 60 | 84 | 59 | 80 | 58 | 62 | 81 | 60 | 79 | 59 | 77 | 56 | 77 | 67 | 54 | 70 | 65 | 51 | 65 | 63 | 26.1 |
Glasgow | 48.22 | 106.62 | 2297 | 13.516 | 94 | 64 | 90 | 63 | 86 | 62 | 68 | 85 | 66 | 83 | 64 | 82 | 62 | 91 | 74 | 60 | 83 | 71 | 58 | 77 | 69 | 25.3 |
Great Falls, Int’l Airport | 47.48 | 111.37 | 3658 | 12.854 | 92 | 61 | 88 | 60 | 85 | 59 | 64 | 84 | 62 | 82 | 61 | 81 | 57 | 81 | 69 | 55 | 74 | 67 | 53 | 69 | 66 | 27.2 |
Great Falls, Malmstrom AFB | 47.50 | 111.18 | 3527 | 12.917 | 93 | 62 | 89 | 61 | 86 | 60 | 65 | 85 | 63 | 83 | 62 | 81 | 59 | 84 | 71 | 57 | 78 | 69 | 54 | 71 | 68 | 26.3 |
Havre | 48.55 | 109.77 | 2598 | 13.367 | 94 | 63 | 90 | 62 | 86 | 61 | 66 | 87 | 64 | 84 | 62 | 82 | 60 | 84 | 72 | 58 | 78 | 69 | 56 | 74 | 68 | 27.9 |
Helena | 46.60 | 112.00 | 3898 | 12.740 | 90 | 60 | 87 | 59 | 84 | 59 | 63 | 82 | 61 | 81 | 60 | 80 | 57 | 80 | 68 | 55 | 73 | 66 | 52 | 68 | 66 | 28.0 |
Kalispell | 48.30 | 114.27 | 2972 | 13.184 | 89 | 62 | 86 | 61 | 82 | 60 | 65 | 83 | 63 | 81 | 61 | 79 | 59 | 82 | 69 | 57 | 76 | 67 | 55 | 71 | 67 | 29.9 |
Lewistown | 47.05 | 109.47 | 4167 | 12.613 | 89 | 61 | 86 | 60 | 82 | 59 | 64 | 81 | 63 | 80 | 61 | 78 | 58 | 85 | 71 | 56 | 79 | 69 | 54 | 74 | 67 | 28.3 |
Miles City | 46.43 | 105.87 | 2628 | 13.352 | 97 | 66 | 93 | 65 | 90 | 64 | 69 | 89 | 67 | 86 | 66 | 84 | 63 | 95 | 76 | 61 | 88 | 75 | 59 | 82 | 73 | 25.9 |
Missoula | 46.92 | 114.08 | 3189 | 13.079 | 91 | 62 | 88 | 61 | 85 | 60 | 65 | 84 | 63 | 82 | 62 | 81 | 58 | 82 | 68 | 56 | 76 | 68 | 55 | 71 | 66 | 31.3 |