| | Des Plaines, IL | Bartlett, IL | United States |
| Rainfall | 36 | 37.6 | 38.1 |
| Snowfall | 36 | 32.7 | 27.8 |
| Precipitation Days | 125.3 | 120.7 | 106.2 |
| Sunny | 187 | 192 | 205 |
| Avg. July High | 83.6 | 85.2 | 85.8 |
| Avg. Jan. Low | 16.9 | 13.1 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.8 | 7 |
| UV Index | 3.6 | 3.4 | 4.3 |
| Elevation ft. | 633 | 810 | 2443 |