| | West Linn, OR | Umatilla, OR | United States |
| Rainfall | 45 | 9 | 38.1 |
| Snowfall | 1 | 1.9 | 27.8 |
| Precipitation Days | 146.3 | 81.3 | 106.2 |
| Sunny | 144 | 195 | 205 |
| Avg. July High | 81.6 | 88.3 | 85.8 |
| Avg. Jan. Low | 35.5 | 28.7 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 7.6 | 7 |
| UV Index | 2.8 | 3.2 | 4.3 |
| Elevation ft. | 131 | 322 | 2443 |