| | Huntsville, AL | Rockford, IL | United States |
| Rainfall | 54.7 | 37.1 | 38.1 |
| Snowfall | 1.6 | 35.1 | 27.8 |
| Precipitation Days | 120.3 | 116 | 106.2 |
| Sunny | 199 | 188 | 205 |
| Avg. July High | 90.1 | 83.7 | 85.8 |
| Avg. Jan. Low | 29.6 | 12.7 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 6.8 | 7 |
| UV Index | 4.9 | 3.5 | 4.3 |
| Elevation ft. | 633 | 718 | 2443 |