| | Madison, SD | Spearfish, SD | United States |
| Rainfall | 26.4 | 21.3 | 38.1 |
| Snowfall | 38.8 | 56.4 | 27.8 |
| Precipitation Days | 87.1 | 90.3 | 106.2 |
| Sunny | 210 | 227 | 205 |
| Avg. July High | 83.2 | 87.6 | 85.8 |
| Avg. Jan. Low | 5.3 | 17 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.9 | 7 |
| UV Index | 3.5 | 4.7 | 4.3 |
| Elevation ft. | 1676 | 3648 | 2443 |