| | New Britain, CT | Charleston, IL | United States |
| Rainfall | 53.3 | 40.3 | 38.1 |
| Snowfall | 34.9 | 15.1 | 27.8 |
| Precipitation Days | 108 | 111.3 | 106.2 |
| Sunny | 192 | 202 | 205 |
| Avg. July High | 84.1 | 86.2 | 85.8 |
| Avg. Jan. Low | 18.5 | 20.2 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 3.3 | 4.1 | 4.3 |
| Elevation ft. | 167 | 673 | 2443 |