| | Cathlamet, WA | Winlock, WA | United States |
| Rainfall | 78.8 | 52.1 | 38.1 |
| Snowfall | 4 | 3.1 | 27.8 |
| Precipitation Days | 183.4 | 171.3 | 106.2 |
| Sunny | 128 | 136 | 205 |
| Avg. July High | 75.6 | 78.5 | 85.8 |
| Avg. Jan. Low | 34 | 34.3 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.2 | 7 |
| UV Index | 2.9 | 2.5 | 4.3 |
| Elevation ft. | 62 | 305 | 2443 |