| | West Richland, WA | Centralia, WA | United States |
| Rainfall | 8.6 | 49.6 | 38.1 |
| Snowfall | 3.7 | 5.6 | 27.8 |
| Precipitation Days | 80.3 | 166.7 | 106.2 |
| Sunny | 196 | 136 | 205 |
| Avg. July High | 88.4 | 77.8 | 85.8 |
| Avg. Jan. Low | 27.9 | 34.7 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 7.2 | 7 |
| UV Index | 3.2 | 2.5 | 4.3 |
| Elevation ft. | 417 | 187 | 2443 |