| Stations: |
Neerslag |
| Waterloo Regional Airport (268 m, Iowa) |
8.0 mm |
| Astoria Regional Airport (7 m, Oregon) |
0.3 mm |
| Billings Logan Intl. Airport (1088 m, Montana) |
3.0 mm |
| Bismarck Municipal Airport (505 m, North Dakota) |
0.3 mm |
| O’Hare Intl. Airport (205 m, Illinois) |
2.0 mm |
| Cold Bay Luchthaven (31 m, Alaska) |
3.0 mm |
| Duluth Luchthaven (432 m, Minnesota) |
8.0 mm |
| Evansville Luchthaven (118 m, Indiana) |
10.0 mm |
| Hector Intl. Airport (274 m, North Dakota) |
6.0 mm |
| Bishop Intl. Airport (233 m, Michigan) |
3.0 mm |
| Fort Wayne Intl. Airport (252 m, Indiana) |
2.0 mm |
| Green Bay (209 m, Wisconsin) |
7.0 mm |
| Huron Luchthaven (393 m, South Dakota) |
2.0 mm |
| Indianapolis Intl. Airport (246 m, Indiana) |
2.0 mm |
| Falls Intl. Airport (362 m, Minnesota) |
2.0 mm |
| Kodiak Airport (34 m, Alaska) |
0.3 mm |
| Ralph Wien Memorial Airport (5 m, Alaska) |
0.8 mm |
| Dane County Regional Airport (264 m, Wisconsin) |
18.0 mm |
| Memphis Luchthaven (87 m, Tennessee) |
2.0 mm |
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
10.0 mm |
| Internationale luchthaven Minneapolis-Saint Paul (255 m, Minnesota) |
3.0 mm |
| Quad Cities Intl. Airport (181 m, Illinois) |
22.0 mm |
| Muskegon (193 m, Michigan) |
2.0 mm |
| Nome Luchthaven (6 m, Alaska) |
1.0 mm |
| Barkley Regional Airport (126 m, Kentucky) |
6.0 mm |
| Rochester Intl. Airport (402 m, Minnesota) |
2.0 mm |
| Rockford Luchthaven (226 m, Illinois) |
6.0 mm |
| Sioux Gateway Airport (336 m, Iowa) |
0.5 mm |
| South Bend Intl. Airport (236 m, Indiana) |
4.0 mm |
| Spokane Luchthaven (721 m, Washington) |
0.5 mm |
| Miller Field Airport (792 m, Nebraska) |
0.5 mm |
| Aberdeen Luchthaven (397 m, South Dakota) |
17.0 mm |
Noord - Zuid