| | Riverwoods, IL | Elm Grove, WI | United States |
| Rainfall | 36.3 | 34.5 | 38.1 |
| Snowfall | 35.9 | 42.3 | 27.8 |
| Precipitation Days | 125.3 | 118.9 | 106.2 |
| Sunny | 190 | 190 | 205 |
| Avg. July High | 83.1 | 83.3 | 85.8 |
| Avg. Jan. Low | 16.7 | 13.1 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.8 | 7 |
| UV Index | 3.7 | 3.3 | 4.3 |
| Elevation ft. | 656 | 745 | 2443 |