| | Culbertson, MT | Williston, ND | United States |
| Rainfall | 13.5 | 14.3 | 38.1 |
| Snowfall | 37.9 | 43.8 | 27.8 |
| Precipitation Days | 74.3 | 82.8 | 106.2 |
| Sunny | 203 | 207 | 205 |
| Avg. July High | 85.9 | 84.8 | 85.8 |
| Avg. Jan. Low | 2.1 | 2.1 | 21.7 |
| Comfort Index (higher=better) | 6.6 | 6.5 | 7 |
| UV Index | 3.7 | 3.7 | 4.3 |
| Elevation ft. | 1932 | 1877 | 2443 |