| | Calhoun, TN | Gretna, VA | United States |
| Rainfall | 54.9 | 43.9 | 38.1 |
| Snowfall | 2.8 | 4 | 27.8 |
| Precipitation Days | 127 | 108.1 | 106.2 |
| Sunny | 212 | 222 | 205 |
| Avg. July High | 88.3 | 86.1 | 85.8 |
| Avg. Jan. Low | 27.2 | 24.4 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.5 | 7 |
| UV Index | 4.5 | 4.5 | 4.3 |
| Elevation ft. | 712 | 840 | 2443 |