| | Russellville, KY | Chatham, IL | United States |
| Rainfall | 50.9 | 38.1 | 38.1 |
| Snowfall | 4.3 | 18.5 | 27.8 |
| Precipitation Days | 109.7 | 101.2 | 106.2 |
| Sunny | 205 | 201 | 205 |
| Avg. July High | 88.9 | 85.8 | 85.8 |
| Avg. Jan. Low | 25.9 | 18.2 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.2 | 7 |
| UV Index | 4.4 | 3.9 | 4.3 |
| Elevation ft. | 594 | 604 | 2443 |