| Stazioni: |
Precipitazione |
| Aberdeen Aeroporto (397 m, Dakota del Sud) |
0.8 mm |
| Astoria Regional Airport (7 m, Oregon) |
0.3 mm |
| Atikokan (389 m, Ontario) |
0.8 mm |
| Baie-D'Urfé (39 m, Québec) |
0.2 mm |
| Barkley Regional Airport (126 m, Kentucky) |
0.3 mm |
| Royal Island (329 m, Ontario) |
1.0 mm |
| Big Trout Lake (222 m, Ontario) |
0.4 mm |
| Big Trout Lake (222 m, Ontario) |
0.2 mm |
| Bismarck Municipal Airport (505 m, Dakota del Nord) |
5.0 mm |
| Buoy 42043 MARITIME (0 m, Indiana) |
14.0 mm |
| Buoy 42046 MARITIME (0 m, Indiana) |
12.0 mm |
| Caribou (187 m, Ontario) |
0.2 mm |
| Carman (268 m, Manitoba) |
0.5 mm |
| Aeroporto Internazionale di Chicago-O'Hare (205 m, Illinois) |
0.5 mm |
| Cold Bay Aeroporto (31 m, Alaska) |
0.3 mm |
| Columbia Regional Airport (274 m, Missouri) |
0.3 mm |
| Beartooth Island (238 m, Saskatchewan) |
0.1 mm |
| Cormack (75 m, Terranova) |
0.3 mm |
| Craig (1915 m, Colorado) |
4.0 mm |
| Crowsnest (1303 m, Alberta) |
0.4 mm |
| Deerwood Rcs (341 m, Manitoba) |
0.3 mm |
| Aeroporto Internazionale di Denver (1656 m, Colorado) |
6.0 mm |
| Aeroporto Internazionale di Des Moines (294 m, Iowa) |
11.0 mm |
| Dillingham Aeroporto (29 m, Alaska) |
1.0 mm |
| Dryden Airport (413 m, Ontario) |
0.2 mm |
| Duluth Aeroporto (432 m, Minnesota) |
0.5 mm |
| Eastern Sierra Regional Airport (1263 m, California) |
0.3 mm |
| Ely Airport (1909 m, Nevada) |
1.0 mm |
| Emerson (242 m, Manitoba) |
0.3 mm |
| Falls Intl. Airport (362 m, Minnesota) |
4.0 mm |
| Flagstaff Aeroporto (2131 m, Arizona) |
2.0 mm |
| Flagstaff/Belemont (2181 m, Arizona) |
2.0 mm |
| Fort Frances (342 m, California) |
2.0 mm |
| Aeroporto Internazionale di Fresno-Yosemite (100 m, California) |
0.3 mm |
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
0.3 mm |
| Gimli (230 m, Manitoba) |
0.7 mm |
| Aeroporto Regionale di Grand Junction (1472 m, Colorado) |
0.5 mm |
| Great Falls Climate (253 m, California) |
1.0 mm |
| Green Bay (209 m, Wisconsin) |
5.0 mm |
| Gretna (253 m, Manitoba) |
2.0 mm |
| Aeroporto Internazionale di Las Vegas-McCarran (664 m, Nevada) |
0.3 mm |
| Aeroporto Internazionale Hector (274 m, Dakota del Nord) |
2.0 mm |
| Hilo Intl. Airport (10 m, Hawaii) |
3.0 mm |
| Holman CS (30 m, Territori del Nord-Ovest) |
0.9 mm |
| Huron Aeroporto (393 m, Dakota del Sud) |
4.0 mm |
| Kenora (412 m, Ontario) |
1.0 mm |
| Kleefeld (246 m, Manitoba) |
3.0 mm |
| Kodiak Airport (34 m, Alaska) |
6.0 mm |
| Aeroporto Internazionale di Saint Louis-Lambert (172 m, Missouri) |
18.0 mm |
| Dane County Regional Airport (264 m, Wisconsin) |
0.3 mm |
| Malahat (366 m, Columbia Britannica) |
0.2 mm |
| McNary Field Airport (61 m, Oregon) |
0.5 mm |
| Medford Aeroporto (397 m, Oregon) |
3.0 mm |
| Memphis Aeroporto (87 m, Tennessee) |
1.0 mm |
| Mercury/Desert Rock (1006 m, Nevada) |
17.0 mm |
| Milford Municipal (1536 m, Utah) |
4.0 mm |
| Miller Field Airport (792 m, Nebraska) |
1.0 mm |
| Aeroporto Internazionale di Minneapolis-Saint Paul-Wold-Chamberlain (255 m, Minnesota) |
0.3 mm |
| Aeroporto Internazionale di Missoula (972 m, Montana) |
1.0 mm |
| Morden (298 m, Manitoba) |
0.3 mm |
| Olympia Regional Airport (61 m, Washington) |
0.5 mm |
| Page Aeroporto (1304 m, Arizona) |
14.0 mm |
| ParcNationalDesPingualuit (503 m, Québec) |
0.9 mm |
| Pekisko (1415 m, California) |
0.9 mm |
| Penticton Aeroporto (344 m, Columbia Britannica) |
3.0 mm |
| Peoria Aeroporto (202 m, Illinois) |
2.0 mm |
| Pickle Lake (391 m, Ontario) |
0.5 mm |
| Pickle Lake Airport (391 m, Ontario) |
0.5 mm |
| Pilot Mound (475 m, Manitoba) |
0.3 mm |
| Pinawa (268 m, Manitoba) |
2.0 mm |
| Pocatello Regional Airport (1365 m, Idaho) |
0.3 mm |
| Portland Aeroporto (12 m, Oregon) |
1.0 mm |
| Rapid City Aeroporto (965 m, Dakota del Sud) |
0.8 mm |
| Rawson Lake (305 m, Ontario) |
3.0 mm |
| Revelstoke Aeroporto (445 m, California) |
0.2 mm |
| Riverton Aeroporto (1684 m, Wyoming) |
5.0 mm |
| Rochester Intl. Airport (402 m, Minnesota) |
3.0 mm |
| Rockford Aeroporto (226 m, Illinois) |
0.8 mm |
| Rocky Harbour (68 m, Terranova) |
0.2 mm |
| Salluit (228 m, Québec) |
0.5 mm |
| Aeroporto Internazionale di Salt Lake (1288 m, Utah) |
3.0 mm |
| Sandberg Airport (1379 m, California) |
0.3 mm |
| Sandy Lake (289 m, Ontario) |
1.0 mm |
| Aeroporto Internazionale di Seattle-Tacoma (137 m, Washington) |
0.3 mm |
| Sioux Falls Regional Airport (435 m, Dakota del Sud) |
7.0 mm |
| Sioux Gateway Airport (336 m, Iowa) |
2.0 mm |
| Sprague (329 m, Manitoba) |
0.3 mm |
| Stockton Metropolitan Airport (8 m, California) |
0.8 mm |
| The Forks, Winnipeg (230 m, Manitoba) |
0.3 mm |
| Toledo Express Airport (211 m, Ohio) |
0.5 mm |
| Upsala (489 m, Ontario) |
3.0 mm |
| Waterloo Regional Airport (268 m, Iowa) |
14.0 mm |
| Welcome Island (AUT) (209 m, Ontario) |
0.2 mm |
| Winnemucca Aeroporto (1322 m, Nevada) |
2.0 mm |
| Winnipeg A Cs (239 m, Manitoba) |
0.2 mm |
nord - sud