| | Erwin, TN | Norton, VA | United States |
| Rainfall | 44 | 47.5 | 38.1 |
| Snowfall | 10.4 | 36.1 | 27.8 |
| Precipitation Days | 134.6 | 148.7 | 106.2 |
| Sunny | 197 | 200 | 205 |
| Avg. July High | 85.5 | 80.4 | 85.8 |
| Avg. Jan. Low | 25.7 | 22.3 | 21.7 |
| Comfort Index (higher=better) | 7.6 | 7.1 | 7 |
| UV Index | 4.4 | 4.6 | 4.3 |
| Elevation ft. | 1673 | 2136 | 2443 |