| estações: |
precipitação |
| Yakutat Airport (13 m, Alasca) |
13.0 mm |
| Astoria Regional Airport (7 m, Oregon) |
1.0 mm |
| Bettles Aeroporto (196 m, Alasca) |
1.0 mm |
| Bismarck Municipal Airport (505 m, Dakota do Norte) |
0.3 mm |
| Boise Aeroporto (872 m, Idaho) |
3.0 mm |
| Burns Municipal Airport (1271 m, Oregon) |
0.3 mm |
| Caribou Aeroporto (191 m, Maine) |
0.5 mm |
| Cold Bay Aeroporto (31 m, Alasca) |
0.5 mm |
| Erie Intl. Airport (225 m, Pensilvânia) |
2.0 mm |
| Eugene Airport (114 m, Oregon) |
4.0 mm |
| Arcata (18 m, Califórnia) |
5.0 mm |
| Havre (792 m, Montana) |
0.5 mm |
| Hilo Intl. Airport (10 m, Havaí) |
0.3 mm |
| Juneau Intl. Airport (7 m, Alasca) |
0.5 mm |
| Medford Aeroporto (397 m, Oregon) |
3.0 mm |
| Middleton Island Airport (14 m, Alasca) |
0.5 mm |
| Missoula Montana Airport (972 m, Montana) |
2.0 mm |
| Olympia Regional Airport (61 m, Washington) |
0.8 mm |
| Aeroporto Internacional de Pittsburgh (373 m, Pensilvânia) |
0.5 mm |
| Pocatello Regional Airport (1365 m, Idaho) |
0.5 mm |
| Portland Aeroporto (12 m, Oregon) |
1.0 mm |
| São Pedro (24 m, Saint-Pierre e Miquelon) |
2.0 mm |
| McNary Field Airport (61 m, Oregon) |
0.3 mm |
| Winnemucca Aeroporto (1322 m, Nevada) |
0.8 mm |
| Yakima Aeroporto (325 m, Washington) |
1.0 mm |
| Aeroporto Internacional de Anchorage Ted Stevens (42 m, Alasca) |
7.0 mm |
norte - sul