| | Purvis, MS | Custer, SD | United States |
| Rainfall | 60.1 | 19.9 | 38.1 |
| Snowfall | 0.3 | 55.3 | 27.8 |
| Precipitation Days | 106.9 | 93 | 106.2 |
| Sunny | 218 | 226 | 205 |
| Avg. July High | 91.2 | 79.5 | 85.8 |
| Avg. Jan. Low | 37.6 | 15.5 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 6.7 | 7 |
| UV Index | 5.7 | 4.7 | 4.3 |
| Elevation ft. | 381 | 5315 | 2443 |