| | Littleton, NH | Renton, WA | United States |
| Rainfall | 38.4 | 43.6 | 38.1 |
| Snowfall | 80.7 | 5.6 | 27.8 |
| Precipitation Days | 162.3 | 160.8 | 106.2 |
| Sunny | 194 | 151 | 205 |
| Avg. July High | 78.9 | 76 | 85.8 |
| Avg. Jan. Low | 2.5 | 36.2 | 21.7 |
| Comfort Index (higher=better) | 5.9 | 7.3 | 7 |
| UV Index | 3.1 | 2.6 | 4.3 |
| Elevation ft. | 823 | 39 | 2443 |