| Yankton, SD | Castle Rock, CO | United States |
Rainfall | 28 | 19 | 38 |
Snowfall | 35 | 78 | 28 |
Precipitation | 87 | 70 | 106 |
Sunny | 209 | 243 | 205 |
Avg. July High | 86 | 86 | 86 |
Avg. Jan. Low | 9 | 19 | 22 |
Comfort Index (higher=better) | 6.9 | 7.2 | 7 |
UV Index | 3.8 | 4.8 | 4.3 |
Elevation | 1207 | 6224 | 2443 |