| | Warrenville, IL | Berkley, MI | United States |
| Rainfall | 38.6 | 32.9 | 38.1 |
| Snowfall | 28.2 | 32 | 27.8 |
| Precipitation Days | 119.3 | 122.9 | 106.2 |
| Sunny | 192 | 179 | 205 |
| Avg. July High | 84.2 | 83.2 | 85.8 |
| Avg. Jan. Low | 15 | 18 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 3.4 | 3.2 | 4.3 |
| Elevation ft. | 696 | 682 | 2443 |