| | Donnelly, ID | Darby, MT | United States |
| Rainfall | 23.2 | 16.2 | 38.1 |
| Snowfall | 108.5 | 48.8 | 27.8 |
| Precipitation Days | 123.3 | 108.5 | 106.2 |
| Sunny | 207 | 157 | 205 |
| Avg. July High | 79.6 | 82.9 | 85.8 |
| Avg. Jan. Low | 11.5 | 14.7 | 21.7 |
| Comfort Index (higher=better) | 5.9 | 6.5 | 7 |
| UV Index | 3.9 | 3 | 4.3 |
| Elevation ft. | 4865 | 3884 | 2443 |