| | Erwin, TN | Damascus, VA | United States |
| Rainfall | 44 | 45.8 | 38.1 |
| Snowfall | 10.4 | 12.4 | 27.8 |
| Precipitation Days | 134.6 | 127.3 | 106.2 |
| Sunny | 197 | 201 | 205 |
| Avg. July High | 85.5 | 83.5 | 85.8 |
| Avg. Jan. Low | 25.7 | 22.2 | 21.7 |
| Comfort Index (higher=better) | 7.6 | 7.4 | 7 |
| UV Index | 4.4 | 4.7 | 4.3 |
| Elevation ft. | 1673 | 1952 | 2443 |