| North Charleston, SC | Rock Island, IL | United States |
Rainfall | 49.4 | 37 | 38.1 |
Snowfall | 0.5 | 28.2 | 27.8 |
Precipitation Days | 106.8 | 115.3 | 106.2 |
Sunny | 208 | 198 | 205 |
Avg. July High | 90.3 | 84.7 | 85.8 |
Avg. Jan. Low | 38 | 14.5 | 21.7 |
Comfort Index (higher=better) | 7.2 | 6.9 | 7 |
UV Index | 5.1 | 3.7 | 4.3 |
Elevation ft. | 20 | 561 | 2443 |