| | Duvall, WA | Clinton, MT | United States |
| Rainfall | 58.4 | 15.2 | 38.1 |
| Snowfall | 4.7 | 42.6 | 27.8 |
| Precipitation Days | 183.6 | 108.4 | 106.2 |
| Sunny | 154 | 158 | 205 |
| Avg. July High | 75.8 | 84.3 | 85.8 |
| Avg. Jan. Low | 34.8 | 14.7 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 6.5 | 7 |
| UV Index | 2.6 | 3.1 | 4.3 |
| Elevation ft. | 89 | 3468 | 2443 |