| | Washington, IL | Frankfort, IL | United States |
| Rainfall | 38.7 | 40.7 | 38.1 |
| Snowfall | 23.5 | 28 | 27.8 |
| Precipitation Days | 108.4 | 116 | 106.2 |
| Sunny | 194 | 192 | 205 |
| Avg. July High | 86 | 84 | 85.8 |
| Avg. Jan. Low | 15.6 | 16 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7 | 7 |
| UV Index | 3.9 | 3.7 | 4.3 |
| Elevation ft. | 761 | 761 | 2443 |