| Castle Rock, WA | Tigard, OR | United States |
Rainfall | 60.8 | 41.1 | 38.1 |
Snowfall | 3.1 | 1.5 | 27.8 |
Precipitation Days | 181.2 | 149.4 | 106.2 |
Sunny | 139 | 145 | 205 |
Avg. July High | 77.1 | 80.4 | 85.8 |
Avg. Jan. Low | 33.8 | 37.2 | 21.7 |
Comfort Index (higher=better) | 7.1 | 7.6 | 7 |
UV Index | 3 | 3 | 4.3 |
Elevation ft. | 56 | 167 | 2443 |