| | Chicopee, MA | Indian Head, MD | United States |
| Rainfall | 46.3 | 43.1 | 38.1 |
| Snowfall | 40.1 | 13.9 | 27.8 |
| Precipitation Days | 116.1 | 113.3 | 106.2 |
| Sunny | 193 | 200 | 205 |
| Avg. July High | 83 | 86.7 | 85.8 |
| Avg. Jan. Low | 14.5 | 27.4 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7.5 | 7 |
| UV Index | 3.4 | 4.2 | 4.3 |
| Elevation ft. | 85 | 95 | 2443 |