| Columbia, TN | Jefferson, IA | United States |
Rainfall | 57 | 35 | 38 |
Snowfall | 2 | 27 | 28 |
Precipitation | 116 | 97 | 106 |
Sunny | 206 | 204 | 205 |
Avg. July High | 90 | 85 | 86 |
Avg. Jan. Low | 27 | 10 | 22 |
Comfort Index (higher=better) | 7.3 | 6.9 | 7 |
UV Index | 4.6 | 3.9 | 4.3 |
Elevation | 643 | 1066 | 2443 |