| Merrimack, NH | Westford, MA | United States |
Rainfall | 46 | 48 | 38 |
Snowfall | 58 | 56 | 28 |
Precipitation | 126 | 128 | 106 |
Sunny | 199 | 199 | 205 |
Avg. July High | 83 | 83 | 86 |
Avg. Jan. Low | 13 | 15 | 22 |
Comfort Index (higher=better) | 6.7 | 6.8 | 7 |
UV Index | 3.2 | 3.5 | 4.3 |
Elevation | 154 | 397 | 2443 |