| | Oak Forest, IL | Lookout Mountain, TN | United States |
| Rainfall | 39.1 | 58.2 | 38.1 |
| Snowfall | 31.3 | 2.8 | 27.8 |
| Precipitation Days | 123.1 | 100.8 | 106.2 |
| Sunny | 188 | 208 | 205 |
| Avg. July High | 84.1 | 83.8 | 85.8 |
| Avg. Jan. Low | 18.1 | 26.8 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.5 | 7 |
| UV Index | 3.6 | 4.7 | 4.3 |
| Elevation ft. | 673 | 1850 | 2443 |