| | Sumner, WA | Garfield, WA | United States |
| Rainfall | 48.9 | 22.2 | 38.1 |
| Snowfall | 4.7 | 42.3 | 27.8 |
| Precipitation Days | 172.4 | 113.3 | 106.2 |
| Sunny | 141 | 171 | 205 |
| Avg. July High | 75.7 | 81.9 | 85.8 |
| Avg. Jan. Low | 34.7 | 25.2 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 6.8 | 7 |
| UV Index | 2.6 | 3 | 4.3 |
| Elevation ft. | 75 | 2474 | 2443 |