| | Nashville, IL | Greenville, IL | United States |
| Rainfall | 43.1 | 41.3 | 38.1 |
| Snowfall | 10.5 | 12.4 | 27.8 |
| Precipitation Days | 98.4 | 92.3 | 106.2 |
| Sunny | 209 | 198 | 205 |
| Avg. July High | 87.2 | 87.7 | 85.8 |
| Avg. Jan. Low | 21.3 | 20.8 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 4.2 | 4.3 | 4.3 |
| Elevation ft. | 518 | 617 | 2443 |