| | Roy, WA | Rochester, WA | United States |
| Rainfall | 45.7 | 50.6 | 38.1 |
| Snowfall | 6.2 | 5.7 | 27.8 |
| Precipitation Days | 161 | 159.6 | 106.2 |
| Sunny | 142 | 136 | 205 |
| Avg. July High | 75.7 | 77.8 | 85.8 |
| Avg. Jan. Low | 35 | 34.6 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 2.6 | 2.6 | 4.3 |
| Elevation ft. | 325 | 141 | 2443 |