| | Mattoon, IL | Gilman, IL | United States |
| Rainfall | 39.5 | 39.1 | 38.1 |
| Snowfall | 15.7 | 22.4 | 27.8 |
| Precipitation Days | 111.7 | 115.2 | 106.2 |
| Sunny | 201 | 192 | 205 |
| Avg. July High | 86 | 84.9 | 85.8 |
| Avg. Jan. Low | 20.1 | 15.8 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7 | 7 |
| UV Index | 4.1 | 3.7 | 4.3 |
| Elevation ft. | 735 | 650 | 2443 |