| | Clinton, IA | Thomson, IL | United States |
| Rainfall | 35.2 | 36.9 | 38.1 |
| Snowfall | 29.1 | 30.3 | 27.8 |
| Precipitation Days | 105.3 | 103.1 | 106.2 |
| Sunny | 197 | 193 | 205 |
| Avg. July High | 85 | 84.8 | 85.8 |
| Avg. Jan. Low | 13.2 | 12.2 | 21.7 |
| Comfort Index (higher=better) | 7 | 7 | 7 |
| UV Index | 3.9 | 3.7 | 4.3 |
| Elevation ft. | 587 | 600 | 2443 |