| | Kalama, WA | Cathlamet, WA | United States |
| Rainfall | 54.7 | 78.8 | 38.1 |
| Snowfall | 7.7 | 4 | 27.8 |
| Precipitation Days | 173.6 | 183.4 | 106.2 |
| Sunny | 139 | 128 | 205 |
| Avg. July High | 77.9 | 75.6 | 85.8 |
| Avg. Jan. Low | 32.5 | 34 | 21.7 |
| Comfort Index (higher=better) | 7 | 7 | 7 |
| UV Index | 3 | 2.9 | 4.3 |
| Elevation ft. | 26 | 62 | 2443 |