| | Tonasket, WA | Stevensville, MT | United States |
| Rainfall | 14.2 | 12.3 | 38.1 |
| Snowfall | 62.6 | 36.1 | 27.8 |
| Precipitation Days | 96 | 105.8 | 106.2 |
| Sunny | 187 | 156 | 205 |
| Avg. July High | 86.3 | 85.4 | 85.8 |
| Avg. Jan. Low | 20.6 | 18.5 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.8 | 7 |
| UV Index | 3.1 | 3 | 4.3 |
| Elevation ft. | 919 | 3323 | 2443 |