| | Mansfield, IL | Towanda, IL | United States |
| Rainfall | 39.6 | 39.4 | 38.1 |
| Snowfall | 18.4 | 20.3 | 27.8 |
| Precipitation Days | 102.4 | 105 | 106.2 |
| Sunny | 199 | 190 | 205 |
| Avg. July High | 84.5 | 85.8 | 85.8 |
| Avg. Jan. Low | 16.1 | 15.4 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.1 | 7 |
| UV Index | 4 | 3.7 | 4.3 |
| Elevation ft. | 728 | 781 | 2443 |