| | West Chicago, IL | South Haven, MI | United States |
| Rainfall | 37.8 | 37.7 | 38.1 |
| Snowfall | 30.5 | 84.4 | 27.8 |
| Precipitation Days | 119 | 127.9 | 106.2 |
| Sunny | 187 | 169 | 205 |
| Avg. July High | 85.2 | 81.7 | 85.8 |
| Avg. Jan. Low | 13.7 | 18.9 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.7 | 7 |
| UV Index | 3.4 | 3.6 | 4.3 |
| Elevation ft. | 784 | 614 | 2443 |