| | Waterloo, IL | Salem, IL | United States |
| Rainfall | 43.2 | 43.6 | 38.1 |
| Snowfall | 11.6 | 11.5 | 27.8 |
| Precipitation Days | 100.2 | 101.5 | 106.2 |
| Sunny | 202 | 204 | 205 |
| Avg. July High | 88 | 87.5 | 85.8 |
| Avg. Jan. Low | 22.3 | 20.4 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.2 | 7 |
| UV Index | 4.2 | 4.3 | 4.3 |
| Elevation ft. | 709 | 541 | 2443 |