| | Sullivan, IL | Tuscola, IL | United States |
| Rainfall | 40.6 | 40.3 | 38.1 |
| Snowfall | 12.3 | 14.7 | 27.8 |
| Precipitation Days | 101.3 | 100.6 | 106.2 |
| Sunny | 194 | 197 | 205 |
| Avg. July High | 85.8 | 84.6 | 85.8 |
| Avg. Jan. Low | 18.8 | 16.9 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 4 | 3.9 | 4.3 |
| Elevation ft. | 673 | 653 | 2443 |