| | Groton, MA | Chattanooga, TN | United States |
| Rainfall | 47.3 | 51.1 | 38.1 |
| Snowfall | 56.5 | 1.5 | 27.8 |
| Precipitation Days | 126.4 | 99 | 106.2 |
| Sunny | 200 | 207 | 205 |
| Avg. July High | 83.3 | 89 | 85.8 |
| Avg. Jan. Low | 14 | 28.9 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 7.5 | 7 |
| UV Index | 3.5 | 4.7 | 4.3 |
| Elevation ft. | 331 | 676 | 2443 |