| | Middle River, MD | Summerfield, NC | United States |
| Rainfall | 42.6 | 44.7 | 38.1 |
| Snowfall | 15 | 6.2 | 27.8 |
| Precipitation Days | 110.7 | 112.4 | 106.2 |
| Sunny | 209 | 218 | 205 |
| Avg. July High | 89.2 | 88.4 | 85.8 |
| Avg. Jan. Low | 29 | 29.3 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.6 | 7 |
| UV Index | 4.1 | 4.4 | 4.3 |
| Elevation ft. | 30 | 906 | 2443 |