| | Prosser, WA | Preston, ID | United States |
| Rainfall | 8.5 | 18.5 | 38.1 |
| Snowfall | 5.8 | 60 | 27.8 |
| Precipitation Days | 67.5 | 98.8 | 106.2 |
| Sunny | 190 | 206 | 205 |
| Avg. July High | 89.3 | 88.7 | 85.8 |
| Avg. Jan. Low | 27.2 | 13.9 | 21.7 |
| Comfort Index (higher=better) | 7.6 | 6.6 | 7 |
| UV Index | 3.2 | 4.8 | 4.3 |
| Elevation ft. | 666 | 4715 | 2443 |