| | Casselton, ND | Wahpeton, ND | United States |
| Rainfall | 22.6 | 23.8 | 38.1 |
| Snowfall | 40.7 | 35.5 | 27.8 |
| Precipitation Days | 83.6 | 87.4 | 106.2 |
| Sunny | 196 | 197 | 205 |
| Avg. July High | 82.4 | 83.1 | 85.8 |
| Avg. Jan. Low | -0.7 | -0.2 | 21.7 |
| Comfort Index (higher=better) | 6.5 | 6.5 | 7 |
| UV Index | 3.1 | 2.9 | 4.3 |
| Elevation ft. | 938 | 965 | 2443 |