| | Milton-Freewater, OR | Thompsonville, IL | United States |
| Rainfall | 18.4 | 45.6 | 38.1 |
| Snowfall | 9.2 | 9.9 | 27.8 |
| Precipitation Days | 104.1 | 91.6 | 106.2 |
| Sunny | 189 | 210 | 205 |
| Avg. July High | 89.2 | 87.4 | 85.8 |
| Avg. Jan. Low | 29.1 | 22.9 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.3 | 7 |
| UV Index | 3.2 | 4.2 | 4.3 |
| Elevation ft. | 1043 | 502 | 2443 |