| | Madison, WI | Long Grove, IL | United States |
| Rainfall | 36.1 | 37.4 | 38.1 |
| Snowfall | 42.4 | 37.8 | 27.8 |
| Precipitation Days | 114.9 | 123.9 | 106.2 |
| Sunny | 187 | 187 | 205 |
| Avg. July High | 81.9 | 83.2 | 85.8 |
| Avg. Jan. Low | 10.2 | 12.4 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.7 | 7 |
| UV Index | 3.3 | 3.7 | 4.3 |
| Elevation ft. | 873 | 732 | 2443 |