| | Blythewood, SC | Milton, DE | United States |
| Rainfall | 44.8 | 45.8 | 38.1 |
| Snowfall | 0.6 | 12 | 27.8 |
| Precipitation Days | 101.6 | 123 | 106.2 |
| Sunny | 215 | 205 | 205 |
| Avg. July High | 91.8 | 86.6 | 85.8 |
| Avg. Jan. Low | 30.6 | 27.1 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.4 | 7 |
| UV Index | 4.9 | 3.9 | 4.3 |
| Elevation ft. | 505 | 10 | 2443 |