| Portsmouth, NH | Castle Rock, CO | United States |
Rainfall | 50 | 19 | 38 |
Snowfall | 53 | 78 | 28 |
Precipitation | 118 | 70 | 106 |
Sunny | 198 | 243 | 205 |
Avg. July High | 82 | 86 | 86 |
Avg. Jan. Low | 14 | 19 | 22 |
Comfort Index (higher=better) | 6.8 | 7.2 | 7 |
UV Index | 3.4 | 4.8 | 4.3 |
Elevation | 20 | 6224 | 2443 |