| | Salem, IL | Fairfield, IL | United States |
| Rainfall | 43.6 | 44.8 | 38.1 |
| Snowfall | 11.5 | 12.2 | 27.8 |
| Precipitation Days | 101.5 | 103.2 | 106.2 |
| Sunny | 204 | 200 | 205 |
| Avg. July High | 87.5 | 88.2 | 85.8 |
| Avg. Jan. Low | 20.4 | 22.1 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 4.3 | 4.1 | 4.3 |
| Elevation ft. | 541 | 440 | 2443 |