| | Darby, MT | Philip, SD | United States |
| Rainfall | 16.2 | 17.5 | 38.1 |
| Snowfall | 48.8 | 33.1 | 27.8 |
| Precipitation Days | 108.5 | 79.3 | 106.2 |
| Sunny | 157 | 225 | 205 |
| Avg. July High | 82.9 | 89.1 | 85.8 |
| Avg. Jan. Low | 14.7 | 9.2 | 21.7 |
| Comfort Index (higher=better) | 6.5 | 6.9 | 7 |
| UV Index | 3 | 3.8 | 4.3 |
| Elevation ft. | 3884 | 2165 | 2443 |