| | South Hill, WA | Summit, WA | United States |
| Rainfall | 43.1 | 41.3 | 38.1 |
| Snowfall | 4.5 | 4.1 | 27.8 |
| Precipitation Days | 163.1 | 155 | 106.2 |
| Sunny | 139 | 140 | 205 |
| Avg. July High | 76.6 | 77.1 | 85.8 |
| Avg. Jan. Low | 35.1 | 35.5 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.3 | 7 |
| UV Index | 2.6 | 2.6 | 4.3 |
| Elevation ft. | 541 | 482 | 2443 |