| | Lanark, IL | Casey, IL | United States |
| Rainfall | 38.5 | 43.3 | 38.1 |
| Snowfall | 31.1 | 14.1 | 27.8 |
| Precipitation Days | 112.9 | 106.9 | 106.2 |
| Sunny | 196 | 196 | 205 |
| Avg. July High | 84.2 | 86.5 | 85.8 |
| Avg. Jan. Low | 11.8 | 20.5 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7.2 | 7 |
| UV Index | 3.7 | 3.9 | 4.3 |
| Elevation ft. | 879 | 646 | 2443 |