| | Carpentersville, IL | Poplar Grove, IL | United States |
| Rainfall | 38 | 37.2 | 38.1 |
| Snowfall | 32.7 | 32.2 | 27.8 |
| Precipitation Days | 120.4 | 118.1 | 106.2 |
| Sunny | 190 | 194 | 205 |
| Avg. July High | 83.9 | 82.9 | 85.8 |
| Avg. Jan. Low | 12.4 | 11.3 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.8 | 7 |
| UV Index | 3.5 | 3.7 | 4.3 |
| Elevation ft. | 889 | 899 | 2443 |