| | La Vergne, TN | Derwood, MD | United States |
| Rainfall | 51.6 | 42.7 | 38.1 |
| Snowfall | 4.1 | 15.8 | 27.8 |
| Precipitation Days | 118.6 | 109.3 | 106.2 |
| Sunny | 205 | 201 | 205 |
| Avg. July High | 89.2 | 87 | 85.8 |
| Avg. Jan. Low | 26.2 | 25 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.5 | 4.1 | 4.3 |
| Elevation ft. | 584 | 472 | 2443 |