| Stations: 16 | Humidity |
| Bismarck Airport (505 m) | 70 % |
| Dickinson Theodore Roosevelt Regional Airport (787 m) | 70 % |
| Garrison (Amos) (587 m) | 70 % |
| Grafton Airport (251 m) | 80 % |
| Grand Forks Air Force Base (276 m) | 70 % |
| Grand Forks Intl. Airport (255 m) | 70 % |
| Gwinner-Roger Melroe Field (386 m) | 95 % |
| Harry Stern Airport (295 m) | 65 % |
| Hector Intl. Airport (274 m) | 55 % |
| Hettinger Airport (824 m) | 70 % |
| Jamestown Regional Airport (454 m) | 70 % |
| Mercer (553 m) | 65 % |
| Minot Air Force Base (497 m) | 75 % |
| Minot Intl. Airport (522 m) | 70 % |
| Rugby Airport (472 m) | 70 % |
| Sloulin Field Intl. Airport (581 m) | 65 % |