| | Altamont, TN | Erin, TN | United States |
| Rainfall | 59.1 | 53.5 | 38.1 |
| Snowfall | 4.3 | 3.6 | 27.8 |
| Precipitation Days | 116.7 | 101.1 | 106.2 |
| Sunny | 207 | 204 | 205 |
| Avg. July High | 85 | 88.3 | 85.8 |
| Avg. Jan. Low | 25.6 | 25.8 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.3 | 7 |
| UV Index | 4.7 | 4.4 | 4.3 |
| Elevation ft. | 1854 | 446 | 2443 |