| | Berkeley, IL | Northlake, IL | United States |
| Rainfall | 38.2 | 38.1 | 38.1 |
| Snowfall | 33.8 | 34.3 | 27.8 |
| Precipitation Days | 120.4 | 122.2 | 106.2 |
| Sunny | 185 | 187 | 205 |
| Avg. July High | 83.9 | 83.8 | 85.8 |
| Avg. Jan. Low | 15.3 | 16.3 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 3.6 | 3.6 | 4.3 |
| Elevation ft. | 650 | 646 | 2443 |