| | Centralia, WA | DuPont, WA | United States |
| Rainfall | 49.6 | 47.8 | 38.1 |
| Snowfall | 5.6 | 5.8 | 27.8 |
| Precipitation Days | 166.7 | 156 | 106.2 |
| Sunny | 136 | 141 | 205 |
| Avg. July High | 77.8 | 76.3 | 85.8 |
| Avg. Jan. Low | 34.7 | 36.1 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.3 | 7 |
| UV Index | 2.5 | 2.6 | 4.3 |
| Elevation ft. | 187 | 249 | 2443 |