| | Winchester, IL | Greenfield, IL | United States |
| Rainfall | 39.6 | 39.3 | 38.1 |
| Snowfall | 17.2 | 16.9 | 27.8 |
| Precipitation Days | 106.8 | 105.4 | 106.2 |
| Sunny | 202 | 200 | 205 |
| Avg. July High | 86.9 | 86.4 | 85.8 |
| Avg. Jan. Low | 18 | 18.5 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 3.8 | 3.8 | 4.3 |
| Elevation ft. | 541 | 587 | 2443 |