| | Marysville, WA | Mossyrock, WA | United States |
| Rainfall | 44.5 | 60.6 | 38.1 |
| Snowfall | 4 | 7.7 | 27.8 |
| Precipitation Days | 173.7 | 159.8 | 106.2 |
| Sunny | 163 | 137 | 205 |
| Avg. July High | 75.2 | 78.3 | 85.8 |
| Avg. Jan. Low | 35.1 | 32.7 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7 | 7 |
| UV Index | 2.7 | 2.5 | 4.3 |
| Elevation ft. | 20 | 663 | 2443 |