| | Washington, DC | Liberty, SC | United States |
| Rainfall | 43.3 | 52.1 | 38.1 |
| Snowfall | 13.7 | 1.8 | 27.8 |
| Precipitation Days | 114.3 | 107.3 | 106.2 |
| Sunny | 203 | 217 | 205 |
| Avg. July High | 88.5 | 90.2 | 85.8 |
| Avg. Jan. Low | 26.5 | 30.7 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.5 | 7 |
| UV Index | 4.1 | 4.4 | 4.3 |
| Elevation ft. | 23 | 984 | 2443 |