| estações: 2880
|
nebulosidade |
base |
| Igloolik Aeroporto (51 m, Nunavut) |
8 |
|
| St.Anthony A (32 m, Terra Nova) |
8 |
600-1000m |
| Makkovik Aeroporto (71 m, Terra Nova) |
8 |
|
| Baker Municipal Airport (902 m, Montana) |
8 |
|
| Melrose Gunnery Range (1326 m, Novo México) |
6 |
|
| Clyde AP (27 m, Nunavut) |
7 |
1000-1500m |
| Cape Parry AP (14 m, Territórios do Noroeste) |
0 |
>2500m |
| Rowley Island (41 m, Nunavut) |
8 |
300-600m |
| Stanton County Municipal Airport (1013 m, Kansas) |
0 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
8 |
100-200m |
| Eastern Iowa Airport (256 m, Iowa) |
8 |
|
| Lamar Municipal Airport (1129 m, Colorado) |
0 |
|
| Liberal Mid-America Regional Airport (879 m, Kansas) |
4 |
|
| Tioga Aeroporto (684 m, Dakota do Norte) |
8 |
|
| McConnell Air Force Base (413 m, Kansas) |
4 |
|
| Mission Field (1418 m, Montana) |
8 |
|
| Casper (1612 m, Wyoming) |
0 |
>2500m |
| Mary’s Harbour (11 m, Terra Nova) |
8 |
600-1000m |
| Moore County Airport (1129 m, Texas) |
4 |
|
| Gage Airport (667 m, Oklahoma) |
6 |
|
| Pratt Regional Airport (595 m, Kansas) |
0 |
|
| Aeroporto de Kahului (20 m, Havaí) |
0 |
>2500m |
| Lihue Aeroporto (32 m, Havaí) |
0 |
>2500m |
| Mary's Harbour Aeroporto (12 m, Terra Nova) |
8 |
|
| Mobridge Aeroporto (508 m, Dakota do Sul) |
6 |
|
| Hall Beach Airport (7 m, Nunavut) |
8 |
|
| Aeroporto Internacional de Honolulu (5 m, Havaí) |
2 |
600-1000m |
| Oakes Aeroporto (400 m, Dakota do Norte) |
8 |
|
| Midland Aeroporto (874 m, Texas) |
2 |
>2500m |
| Ashland Aeroporto (166 m, Kentucky) |
0 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
6 |
>2500m |
| Iliamna Airport (49 m, Alasca) |
8 |
2000-2500m |
| Colonel James Jabara Airport (433 m, Kansas) |
2 |
|
| Base da Força Espacial de Vanden (112 m, Califórnia) |
8 |
|
| Madison Municipal Airport (523 m, Dakota do Sul) |
8 |
|
| Mondell Fld AP (1272 m, Wyoming) |
8 |
|
| General William J. Fox Airfield (712 m, Califórnia) |
0 |
|
| Cartwright Aeroporto (15 m, Terra Nova) |
8 |
300-600m |
| Sky Harbor Airport & Seaplane Base (186 m, Minnesota) |
8 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Idaho Falls Regional Airport (1441 m, Idaho) |
8 |
|
| Chamberlain (530 m, Dakota do Sul) |
8 |
|
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
8 |
|
| Jimmy Lake (636 m, Saskatchewan) |
8 |
0-50m |
| Naujaat Aeroporto (24 m, Nunavut) |
6 |
|
| Kugluktuk Aeroporto (23 m, Nunavut) |
7 |
>2500m |
| L. M. Clayton Airport (605 m, Montana) |
8 |
|
| Glasgow Aeroporto (693 m, Montana) |
8 |
300-600m |
| Mankato Regional Airport (311 m, Minnesota) |
8 |
|
| Independence Municipal Airport (298 m, Iowa) |
8 |
|
| Fairmont Municipal Airport (354 m, Minnesota) |
8 |
|
| Stephenville Intl. Airport (9 m, Terra Nova) |
7 |
600-1000m |
| Jackson Municipal Airport (441 m, Minnesota) |
8 |
|
| Grande Prairie Airport (669 m, Alberta) |
8 |
200-300m |
| Aeroporto Regional de Sioux Falls (435 m, Dakota do Sul) |
8 |
50-100m |
| Appleton Aeroporto (310 m, Wisconsin) |
8 |
|
| Huron Aeroporto (393 m, Dakota do Sul) |
8 |
100-200m |
| La Ronge Aeroporto (379 m, Saskatchewan) |
7 |
200-300m |
| Great Bend Municipal Airport (575 m, Kansas) |
8 |
|
| Kindersley Regional Airport (698 m, Saskatchewan) |
7 |
1500-2000m |
| Brookings Regional Airport (502 m, Dakota do Sul) |
8 |
|
| Sheldon (432 m, Iowa) |
8 |
|
| Frobisher/Iqaluit Airport (34 m, Nunavut) |
6 |
|
| Prince George Aeroporto (691 m, Colúmbia Britânica) |
8 |
1500-2000m |
| Tinker Air Force Base (384 m, Oklahoma) |
0 |
|
| Boone Aeroporto (354 m, Iowa) |
8 |
|
| Le Mars Municipal Airport (365 m, Iowa) |
8 |
|
| Del Norte Aeroporto (2425 m, Colorado) |
4 |
|
| Webster City (342 m, Iowa) |
8 |
|
| Madison (330 m, Minnesota) |
8 |
|
| Dalhart Municipal Airport (1216 m, Texas) |
4 |
|
| Lea (1114 m, Novo México) |
0 |
|
| Gillette (1230 m, Wyoming) |
0 |
|
| Gwinner Aeroporto (386 m, Dakota do Norte) |
8 |
|
| Barnes Aeroporto (427 m, Dakota do Norte) |
8 |
|
| Waco Regional Airport (155 m, Texas) |
6 |
300-600m |
| Watford City Aeroporto (643 m, Dakota do Norte) |
8 |
|
| Mandan Aeroporto (593 m, Dakota do Norte) |
8 |
|
| Linton Aeroporto (542 m, Dakota do Norte) |
8 |
|
| Beach Aeroporto (840 m, Dakota do Norte) |
8 |
|
| Converse (1502 m, Wyoming) |
0 |
|
| Base Aérea Laughlin (327 m, Texas) |
8 |
|
| Rawlins Municipal Airport (2077 m, Wyoming) |
0 |
|
| CFB Bagotville (159 m, Quebec) |
6 |
600-1000m |
| Vance Air Force Base (398 m, Oklahoma) |
2 |
|
| Hutchinson Municipal Airport (462 m, Kansas) |
4 |
|
| Flying Cloud Airport (276 m, Minnesota) |
8 |
|
| Lloydminster Airport (669 m, Alberta) |
8 |
200-300m |
| Harvey Aeroporto (487 m, Dakota do Norte) |
8 |
|
| Glen Ullin Aeroporto (634 m, Dakota do Norte) |
8 |
|
| Alva Regional Airport (449 m, Oklahoma) |
4 |
|
| Edson (925 m, Alberta) |
8 |
100-200m |
| Council Bluffs Aeroporto (382 m, Iowa) |
8 |
|
| Mason (363 m, Iowa) |
8 |
|
| Fillmore County Airport (389 m, Minnesota) |
8 |
|
| Waterloo Regional Airport (268 m, Iowa) |
8 |
100-200m |
| Tracy Municipal Airport (408 m, Minnesota) |
8 |
|
| Willmar Municipal Airport (343 m, Minnesota) |
8 |
|
| Mitchell Municipal Airport (397 m, Dakota do Sul) |
8 |
|
| Cold Bay Aeroporto (31 m, Alasca) |
8 |
300-600m |
| Ellsworth Air Force Base (979 m, Dakota do Sul) |
8 |
|
| Roswell Airport (1118 m, Novo México) |
0 |
>2500m |
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
6 |
|
| Winner Regional Airport (619 m, Dakota do Sul) |
8 |
|
| Stanton Airfield (280 m, Minnesota) |
8 |
|
| Toronto/Pearson Airport (173 m, Ontário) |
7 |
600-1000m |
| Ozona Aeroporto (726 m, Texas) |
8 |
|
| Pond Inlet Aeroporto (55 m, Nunavut) |
0 |
>2500m |
| San Luis Obispo County Regional Airport (64 m, Califórnia) |
0 |
|
| Mountain Home Air Force Base (912 m, Idaho) |
8 |
|
| Havre (792 m, Montana) |
8 |
100-200m |
| Pine Bluffs Muni (1570 m, Wyoming) |
6 |
|
| Salina Regional Airport (385 m, Kansas) |
2 |
|
| Dillon Aeroporto (1597 m, Montana) |
8 |
|
| Ralph Wien Memorial Airport (5 m, Alasca) |
4 |
1500-2000m |
| Jamestown Regional Airport (454 m, Dakota do Norte) |
8 |
|
| Dickinson Theodore Roosevelt Regional A (787 m, Dakota do Norte) |
8 |
|
| Liverpool Bay (102 m, Territórios do Noroeste) |
0 |
>2500m |
| Clayton Municipal Airpark (1515 m, Novo México) |
8 |
300-600m |
| Henry Post Army Airfield (360 m, Oklahoma) |
0 |
|
| Lincoln Airport (362 m, Nebraska) |
8 |
>2500m |
| Devils Lake Regional Airport (443 m, Dakota do Norte) |
8 |
|
| Kingman Airport (1033 m, Arizona) |
0 |
>2500m |
| Guymon Aeroporto (952 m, Oklahoma) |
0 |
|
| Middleton Island Airport (14 m, Alasca) |
8 |
300-600m |
| Cavern City Airport (985 m, Novo México) |
0 |
|
| Swift Current Airport (818 m, Saskatchewan) |
8 |
|
| Clines Corner (2160 m, Novo México) |
0 |
|
| Travis Air Force Base (22 m, Califórnia) |
0 |
|
| Montevideo (Awos) (315 m, Minnesota) |
8 |
|
| Cold Lake Aeroporto (541 m, Alberta) |
8 |
300-600m |
| Dodge City Regional Airport (790 m, Kansas) |
0 |
>2500m |
| Alexandria Municipal Airport (432 m, Minnesota) |
8 |
|
| Regina Aeroporto (577 m, Saskatchewan) |
8 |
|
| Aeroporto Internacional de São F (5 m, Califórnia) |
2 |
100-200m |
| Vinton Aeroporto (258 m, Iowa) |
8 |
|
| New Ulm Municipal Airport (308 m, Minnesota) |
8 |
|
| Kangiqsujuaq Airport (151 m, Quebec) |
8 |
|
| Hutchinson Municipal Airport (323 m, Minnesota) |
8 |
|
| Litchfield Aeroporto (347 m, Minnesota) |
8 |
|
| Big Spring Aeroporto (784 m, Texas) |
0 |
|
| Sauk Centre Muni (379 m, Minnesota) |
8 |
|
| Wichita Dwight D. Eisenhower National A (409 m, Kansas) |
6 |
>2500m |
| Elbow Lake (367 m, Minnesota) |
8 |
|
| Plattsmouth Aeroporto (366 m, Nebraska) |
6 |
|
| Augusta Aeroporto (405 m, Kansas) |
0 |
|
| Lloyd Stearman Field (416 m, Kansas) |
0 |
|
| Cheyenne Regional Airport (1872 m, Wyoming) |
6 |
>2500m |
| San Luis Valley Regional Airport (2299 m, Colorado) |
2 |
>2500m |
| Southwest Wyoming Regional Airport (2060 m, Wyoming) |
0 |
|
| Nome Aeroporto (6 m, Alasca) |
8 |
200-300m |
| Jim Kelly Field (736 m, Nebraska) |
6 |
|
| King Salmon Aeroporto (14 m, Alasca) |
6 |
300-600m |
| Guernsey Aeroporto (1341 m, Wyoming) |
0 |
|
| Nucla (1811 m, Colorado) |
0 |
|
| Powell Aeroporto (1552 m, Wyoming) |
0 |
|
| Offutt AFB (319 m, Nebraska) |
6 |
|
| Nain (12 m, Terra Nova) |
8 |
600-1000m |
| Goose (49 m, Terra Nova) |
7 |
300-600m |
| Key West Aeroporto (5 m, Flórida) |
2 |
600-1000m |
| Buchanan Field Airport (7 m, Califórnia) |
0 |
|
| Barstow-Daggett Airport (587 m, Califórnia) |
0 |
|
| Aeroporto Internacional de Dallas/Fort (182 m, Texas) |
2 |
>2500m |
| Aeroporto Internacional de San Diego (9 m, Califórnia) |
8 |
300-600m |
| Pella Airport (270 m, Iowa) |
8 |
|
| Grinnell Aeroporto (307 m, Iowa) |
8 |
|
| Forest City Aeroporto (375 m, Iowa) |
8 |
|
| Naval Air Station Key West (2 m, Flórida) |
4 |
|
| Florida Keys Marathon Airport (2 m, Flórida) |
8 |
|
| Spencer Aeroporto (408 m, Iowa) |
8 |
|
| Lamoni (342 m, Iowa) |
8 |
|
| Storm Lake Municipal Airport (454 m, Iowa) |
8 |
|
| Knoxville (283 m, Iowa) |
8 |
|
| Andrews Aeroporto (967 m, Texas) |
4 |
|
| El Reno (432 m, Oklahoma) |
0 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
8 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
8 |
|
| Kearney Regional Airport (649 m, Nebraska) |
8 |
|
| Clarion Municipal Airport (354 m, Iowa) |
8 |
|
| Algona Municipal Airport (372 m, Iowa) |
8 |
|
| Southeast Iowa Regional Airport (210 m, Iowa) |
0 |
|
| Washington (230 m, Iowa) |
6 |
|
| Minot Air Force Base (497 m, Dakota do Norte) |
8 |
|
| Crosby Aeroporto (594 m, Dakota do Norte) |
8 |
|
| Clinton Municipal Airport (216 m, Iowa) |
8 |
|
| Iowa City Municipal Airport (198 m, Iowa) |
8 |
|
| Fort Dodge Regional Airport (355 m, Iowa) |
8 |
|
| Sioux Gateway Airport (336 m, Iowa) |
8 |
0-50m |
| Driggs Aeroporto (1898 m, Idaho) |
8 |
|
| Abilene Aeroporto (546 m, Texas) |
0 |
>2500m |
| Miller Field Airport (792 m, Nebraska) |
8 |
>2500m |
| McNary Field Airport (61 m, Oregon) |
6 |
200-300m |
| Omaha/Eppley Field Airport (299 m, Nebraska) |
6 |
200-300m |
| Hettinger Municipal Airport (824 m, Dakota do Norte) |
8 |
|
| Aeroporto Internacional de San Antonio (242 m, Texas) |
8 |
300-600m |
| Lawton (338 m, Oklahoma) |
0 |
|
| Dawson Community Airport (749 m, Montana) |
8 |
|
| Minot Intl. Airport (522 m, Dakota do Norte) |
8 |
|
| Broken Bow Municipal Airport (776 m, Nebraska) |
6 |
|
| Aeroporto Internacional Del Rio (314 m, Texas) |
8 |
600-1000m |
| Aeroporto Internacional de Grand Forks (255 m, Dakota do Norte) |
8 |
|
| Rankin Inlet Aeroporto (29 m, Nunavut) |
1 |
>2500m |
| Bismarck Municipal Airport (505 m, Dakota do Norte) |
8 |
200-300m |
| Lee's Summit Municipal Airport (306 m, Missouri) |
6 |
|
| Joplin Regional Airport (297 m, Missouri) |
0 |
|
| Springfield- Branson National Airport (390 m, Missouri) |
0 |
>2500m |
| Midland Airpark Airport (854 m, Texas) |
4 |
|
| Pampa (989 m, Texas) |
8 |
|
| Hobart Regional Airport (478 m, Oklahoma) |
0 |
|
| Hamilton Aeroporto (238 m, Ontário) |
8 |
1000-1500m |
| Port Aransas Aeroporto (2 m, Texas) |
4 |
|
| Rocksprings Aeroporto (723 m, Texas) |
8 |
|
| Toronto Islands Aeroporto (77 m, Ontário) |
7 |
1000-1500m |
| Long Prairie Aeroporto (394 m, Minnesota) |
8 |
|
| Olivia Aeroporto (328 m, Minnesota) |
8 |
|
| Glencoe Aeroporto (302 m, Minnesota) |
8 |
|
| Frederick Regional Airport (377 m, Oklahoma) |
0 |
|
| Waseca Municipal Airport (343 m, Minnesota) |
8 |
|
| Paynesville Aeroporto (360 m, Minnesota) |
8 |
|
| Michael J. Smith Field (3 m, Carolina do Norte) |
0 |
|
| Luverne Municipal Airport (436 m, Minnesota) |
8 |
|
| Dyess Air Force Base (545 m, Texas) |
0 |
|
| Anoka (278 m, Minnesota) |
8 |
|
| Mont-Joli Aeroporto (54 m, Quebec) |
7 |
1500-2000m |
| Naval Air Station Corpus Christi (6 m, Texas) |
2 |
|
| Austin Municipal Airport (375 m, Minnesota) |
8 |
|
| Ilhas da Madalena Aeroporto (18 m, Quebec) |
0 |
300-600m |
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Bemidji Regional Airport (420 m, Minnesota) |
8 |
|
| Odessa Aeroporto (902 m, Texas) |
2 |
|
| Stillwater Regional Airport (300 m, Oklahoma) |
0 |
|
| Ponca (304 m, Oklahoma) |
0 |
|
| Windom (410 m, Minnesota) |
8 |
|
| Hallock (250 m, Minnesota) |
0 |
|
| Baudette Intl. Airport (329 m, Minnesota) |
0 |
|
| University of Oklahoma Westheimer Airpo (357 m, Oklahoma) |
0 |
|
| Fort St. John Airport (695 m, Colúmbia Britânica) |
7 |
600-1000m |
| Estevan Aeroporto (584 m, Saskatchewan) |
8 |
300-600m |
| Wiley Post Airport (396 m, Oklahoma) |
0 |
|
| Dodge Center Airport (398 m, Minnesota) |
8 |
|
| North Battleford Aeroporto (548 m, Saskatchewan) |
8 |
300-600m |
| Nipawin Airport (374 m, Saskatchewan) |
8 |
200-300m |
| Chan Gurney Municipal Airport (398 m, Dakota do Sul) |
8 |
|
| Double Eagle II Airport (1779 m, Novo México) |
0 |
|
| Rapid City Aeroporto (965 m, Dakota do Sul) |
não identificável |
50-100m |
| Albert Lea Municipal Airport (383 m, Minnesota) |
8 |
|
| Worthington (480 m, Minnesota) |
8 |
|
| SwiftCurrent (820 m, Saskatchewan) |
8 |
600-1000m |
| St. Paul Downtown Airport (219 m, Minnesota) |
8 |
|
| Little Falls/Morrison (342 m, Minnesota) |
8 |
|
| Shingle Point Airport (49 m, Yukon) |
0 |
>2500m |
| Pipestone Municipal Airport (529 m, Minnesota) |
8 |
|
| Morris Aeroporto (344 m, Minnesota) |
8 |
|
| Red Wing Regional Airport (239 m, Minnesota) |
8 |
|
| Aeroporto Internacional de Calgary (1084 m, Alberta) |
8 |
200-300m |
| Redwood Falls Muni (312 m, Minnesota) |
8 |
|
| Clovis Municipal Airport (1284 m, Novo México) |
6 |
|
| Grand Strand Airport (10 m, Carolina do Sul) |
0 |
|
| Natashquan Airport (11 m, Quebec) |
0 |
>2500m |
| Glenwood (Asos) (425 m, Minnesota) |
8 |
|
| Fergus Falls Municipal Airport (361 m, Minnesota) |
8 |
|
| Aeroporto Internacional de Minneapolis- (255 m, Minnesota) |
8 |
300-600m |
| Rugby Aeroporto (472 m, Dakota do Norte) |
8 |
|
| Duluth Aeroporto (432 m, Minnesota) |
8 |
100-200m |
| Saglek Bay (501 m, Califórnia) |
0 |
>2500m |
| Aeroporto Internacional de Newark (9 m, Nova Jersey) |
6 |
600-1000m |
| Walla Walla Aeroporto (355 m, Washington) |
8 |
|
| Peace River Airport (580 m, Alberta) |
7 |
1500-2000m |
| Tri-Cities Airport (135 m, Washington) |
4 |
|
| Edson Airport (925 m, Alberta) |
8 |
|
| Springbank (1201 m, Alberta) |
8 |
|
| Gray Army Airfield (89 m, Washington) |
6 |
|
| Churchill Falls Airport (435 m, Terra Nova) |
8 |
|
| Bathurst Arpt(Awrs) (59 m, Nova Brunswick) |
0 |
|
| Sable Island Airport (5 m, Nova Escócia) |
0 |
|
| Henderson Executive Airport (749 m, Nevada) |
0 |
|
| Clinton Regional Airport (492 m, Oklahoma) |
0 |
|
| Edmonton Namao (685 m, Alberta) |
8 |
50-100m |
| Meadow Lake Airport (480 m, Saskatchewan) |
8 |
200-300m |
| Saskatoon AP (503 m, Saskatchewan) |
8 |
|
| Ely Airport (1909 m, Nevada) |
0 |
>2500m |
norte - sul