| estações: 2843
|
nebulosidade |
base |
| Ortonville (335 m, Minnesota) |
8 |
|
| Aeroporto Regional de Sioux Falls (435 m, Dakota do Sul) |
8 |
1000-1500m |
| Provincetown Aeroporto (2 m, Massachusetts) |
0 |
|
| Hall Beach Airport (7 m, Nunavut) |
0 |
|
| Mitchell Municipal Airport (397 m, Dakota do Sul) |
8 |
|
| Millard Airport (320 m, Nebraska) |
8 |
|
| Madison (330 m, Minnesota) |
8 |
|
| Mankato Regional Airport (311 m, Minnesota) |
8 |
|
| Albion Municipal Airport (550 m, Nebraska) |
6 |
|
| Ft Severn (15 m, Ontário) |
8 |
300-600m |
| Gander Aeroporto (151 m, Terra Nova) |
8 |
200-300m |
| Arviat (10 m, Nunavut) |
0 |
>2500m |
| Brookings Regional Airport (502 m, Dakota do Sul) |
8 |
|
| Creston (394 m, Iowa) |
6 |
|
| Luverne Municipal Airport (436 m, Minnesota) |
8 |
|
| Luke Air Force Base (331 m, Arizona) |
0 |
|
| Halifax Aeroporto (145 m, Nova Escócia) |
8 |
100-200m |
| Iowa Falls Aeroporto (347 m, Iowa) |
8 |
|
| Monroe Municipal Airport (331 m, Wisconsin) |
6 |
|
| Perry Municipal Airport (309 m, Iowa) |
8 |
|
| Rosecrans Memorial Airport (246 m, Missouri) |
8 |
|
| Aeroporto Internacional de Des Moines (294 m, Iowa) |
6 |
1000-1500m |
| Omaha/Eppley Field Airport (299 m, Nebraska) |
8 |
600-1000m |
| Denison (388 m, Iowa) |
8 |
|
| Cape Parry AP (14 m, Territórios do Noroeste) |
0 |
>2500m |
| Eareckson Air Station (31 m, Alasca) |
6 |
600-1000m |
| CFB Bagotville (159 m, Quebec) |
8 |
1500-2000m |
| Taos Aeroporto (2161 m, Novo México) |
0 |
|
| Aeroporto Internacional de Kelowna (456 m, Colúmbia Britânica) |
7 |
>2500m |
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| Cape Cod Gateway Airport (16 m, Massachusetts) |
0 |
|
| Offutt AFB (319 m, Nebraska) |
8 |
|
| Moncton Aeroporto (71 m, Nova Brunswick) |
8 |
100-200m |
| Nebraska (354 m, Nebraska) |
8 |
|
| Waukegan National Airport (222 m, Illinois) |
0 |
|
| Hall Beach (8 m, Califórnia) |
0 |
>2500m |
| Clarion Municipal Airport (354 m, Iowa) |
8 |
|
| Fort Stockton- Pecos County Airport (917 m, Texas) |
0 |
|
| Morris Aeroporto (344 m, Minnesota) |
8 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
6 |
|
| Double Eagle II Airport (1779 m, Novo México) |
4 |
|
| Dalhart Municipal Airport (1216 m, Texas) |
0 |
|
| New Ulm Municipal Airport (308 m, Minnesota) |
8 |
|
| Kugluktuk Aeroporto (23 m, Nunavut) |
1 |
>2500m |
| Owatonna (Awos) (350 m, Minnesota) |
8 |
|
| Waterloo Regional Airport (268 m, Iowa) |
8 |
1500-2000m |
| Liberal Mid-America Regional Airport (879 m, Kansas) |
8 |
|
| Chan Gurney Municipal Airport (398 m, Dakota do Sul) |
2 |
|
| Albert Whitted Airport (2 m, Flórida) |
2 |
|
| Churchill Airport (29 m, Manitoba) |
8 |
300-600m |
| Hays Regional Airport (609 m, Kansas) |
0 |
|
| Pella Airport (270 m, Iowa) |
8 |
|
| Hat Isl. (36 m, Nunavut) |
4 |
>2500m |
| Boone Aeroporto (354 m, Iowa) |
8 |
|
| Republic Airport (25 m, Nova Iorque) |
0 |
|
| Grafton Aeroporto (251 m, Dakota do Norte) |
6 |
|
| Lamoni (342 m, Iowa) |
8 |
|
| Watertown Regional Airport (532 m, Dakota do Sul) |
6 |
|
| Prince George Aeroporto (691 m, Colúmbia Britânica) |
0 |
>2500m |
| Knox County Regional Airport (17 m, Maine) |
2 |
|
| Aeroporto Internacional Logan (9 m, Massachusetts) |
2 |
2000-2500m |
| Moorhead Municipal Airport (280 m, Minnesota) |
4 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
8 |
|
| Red Oak Municipal Airport (318 m, Iowa) |
8 |
|
| Aeroporto Internacional John F. Kennedy (7 m, Nova Iorque) |
0 |
>2500m |
| Stanton Airfield (280 m, Minnesota) |
8 |
|
| Clarinda (303 m, Iowa) |
8 |
|
| Appleton Aeroporto (310 m, Wisconsin) |
8 |
|
| Shenandoah Muni (296 m, Iowa) |
8 |
|
| Ames Aeroporto (291 m, Iowa) |
6 |
|
| Aeroporto Internacional Austin Straubel (209 m, Wisconsin) |
8 |
1500-2000m |
| Webster City (342 m, Iowa) |
8 |
|
| Knoxville (283 m, Iowa) |
8 |
|
| Odessa Aeroporto (902 m, Texas) |
0 |
|
| Auburn/Lewiston Municipal Airport (88 m, Maine) |
6 |
|
| Tucumcari Municipal Airport (1234 m, Novo México) |
0 |
|
| Thompson Aeroporto (216 m, Manitoba) |
0 |
0-50m |
| Marysville Aeroporto (391 m, Kansas) |
0 |
|
| Natashquan Airport (11 m, Quebec) |
8 |
200-300m |
| Osceola Muni (338 m, Iowa) |
8 |
|
| Base Aérea Edwards (705 m, Califórnia) |
0 |
|
| Rowley Island (41 m, Nunavut) |
0 |
>2500m |
| Travis Air Force Base (22 m, Califórnia) |
0 |
|
| Aeroporto LaGuardia (9 m, Nova Iorque) |
2 |
1500-2000m |
| Gjoa Haven Aeroporto (46 m, Nunavut) |
2 |
>2500m |
| Huron Aeroporto (393 m, Dakota do Sul) |
0 |
>2500m |
| Aberdeen Aeroporto (397 m, Dakota do Sul) |
0 |
>2500m |
| DuPage Airport (231 m, Illinois) |
0 |
|
| Walhalla Aeroporto (291 m, Dakota do Norte) |
8 |
|
| Chicago Executive Airport (197 m, Illinois) |
0 |
|
| St.Anthony A (32 m, Terra Nova) |
8 |
50-100m |
| Dare (4 m, Carolina do Norte) |
0 |
|
| Aeroporto Internacional Hector (274 m, Dakota do Norte) |
0 |
>2500m |
| Johnstown (696 m, Pensilvânia) |
0 |
|
| Fredericton Intl. Airport (31 m, Nova Brunswick) |
8 |
300-600m |
| Saint John Aeroporto (111 m, Nova Brunswick) |
8 |
200-300m |
| Gagetown Awos A (51 m, Nova Brunswick) |
8 |
300-600m |
| Aeroporto Internacional de Grand Forks (255 m, Dakota do Norte) |
8 |
|
| Aeroporto Internacional de Filadé (9 m, Pensilvânia) |
0 |
>2500m |
| Watson Lake Airport (690 m, Yukon) |
0 |
|
| Devils Lake Regional Airport (443 m, Dakota do Norte) |
0 |
|
| Presidio Aeroporto (896 m, Texas) |
0 |
|
| Grand Forks Air Force Base (276 m, Dakota do Norte) |
8 |
|
| Liverpool Bay (102 m, Territórios do Noroeste) |
0 |
>2500m |
| Central Illinois Regional Airport (267 m, Illinois) |
0 |
|
| Gwinner Aeroporto (386 m, Dakota do Norte) |
2 |
|
| Rochelle Municipal Airport (238 m, Illinois) |
8 |
|
| Pontiac Aeroporto (201 m, Illinois) |
4 |
|
| DeKalb Aeroporto (279 m, Illinois) |
4 |
|
| University of Illinois Willard Airport (230 m, Illinois) |
0 |
|
| Worcester Aeroporto (308 m, Massachusetts) |
0 |
|
| Aeroporto Internacional de Phoenix Sky (337 m, Arizona) |
6 |
>2500m |
| Needles Airport (302 m, Califórnia) |
0 |
|
| Pittsfield Municipal Airport (364 m, Massachusetts) |
8 |
|
| Goodland Municipal Airport (1124 m, Kansas) |
8 |
>2500m |
| Show Low Regional Airport (1954 m, Arizona) |
2 |
|
| St. Johns Industrial Air Park (1747 m, Arizona) |
0 |
|
| Plymouth Municipal Airport (45 m, Massachusetts) |
0 |
|
| Aeroporto Internacional de Minneapolis- (255 m, Minnesota) |
8 |
300-600m |
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
8 |
|
| Peter O. Knight Airport (2 m, Flórida) |
0 |
|
| Warroad International Memorial Airport (327 m, Minnesota) |
8 |
|
| Patrick Space Force Base (3 m, Flórida) |
2 |
|
| Winnipeg Aeroporto (239 m, Manitoba) |
2 |
|
| Oelwen (328 m, Iowa) |
6 |
|
| Daytona Beach Aeroporto (38 m, Flórida) |
8 |
|
| Crookston Municipal Airport (273 m, Minnesota) |
8 |
|
| La Veta Pass (3114 m, Colorado) |
0 |
|
| Hallock (250 m, Minnesota) |
8 |
|
| Oakes Aeroporto (400 m, Dakota do Norte) |
4 |
|
| Wheaton Municipal Airport (313 m, Minnesota) |
4 |
|
| Sherbrooke Airport (242 m, Quebec) |
7 |
300-600m |
| Marshall Army Airfield (324 m, Kansas) |
0 |
|
| Frobisher/Iqaluit Airport (34 m, Nunavut) |
8 |
|
| Southwest Wyoming Regional Airport (2060 m, Wyoming) |
0 |
|
| Caribou Aeroporto (191 m, Maine) |
6 |
>2500m |
| Cavalier Aeroporto (270 m, Dakota do Norte) |
8 |
|
| Montreal Aeroporto Trudeau (34 m, Quebec) |
4 |
1500-2000m |
| Presque Isle Intl. Airport (146 m, Maine) |
8 |
|
| Tracy Municipal Airport (408 m, Minnesota) |
8 |
|
| Charlottetown Aeroporto (79 m, Ilhas do Príncipe Eduardo) |
8 |
200-300m |
| Waseca Municipal Airport (343 m, Minnesota) |
8 |
|
| Aeroporto Regional do Condado de Outaga (280 m, Wisconsin) |
8 |
|
| Mission Field (1418 m, Montana) |
0 |
|
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
8 |
1500-2000m |
| Beatrice Municipal (403 m, Nebraska) |
0 |
|
| Hastings Municipal Airport (596 m, Nebraska) |
6 |
|
| Lihue Aeroporto (32 m, Havaí) |
8 |
600-1000m |
| Marshall Town Muni (296 m, Iowa) |
8 |
|
| Aeroporto de Kahului (20 m, Havaí) |
6 |
600-1000m |
| Broken Bow Municipal Airport (776 m, Nebraska) |
0 |
|
| Pecos Municipal Airport (796 m, Texas) |
0 |
|
| Moore County Airport (1129 m, Texas) |
0 |
|
| Gallup Aeroporto (1972 m, Novo México) |
0 |
|
| Clines Corner (2160 m, Novo México) |
2 |
|
| Monte Washington Aeroporto (1910 m, Nova Hampshire) |
não identificável |
|
| Inukjuak (25 m, Quebec) |
7 |
600-1000m |
| Aeroporto Internacional Midway (190 m, Illinois) |
6 |
|
| Chariton (320 m, Iowa) |
8 |
|
| Ankeny Regional Airport (275 m, Iowa) |
6 |
|
| Algona Municipal Airport (372 m, Iowa) |
8 |
|
| Bathurst Arpt(Awrs) (59 m, Nova Brunswick) |
8 |
|
| Atlantic Municipal Airport (360 m, Iowa) |
8 |
|
| Clinton Municipal Airport (216 m, Iowa) |
8 |
|
| Moosonee Aeroporto (9 m, Quebec) |
8 |
|
| Fort Dodge Regional Airport (355 m, Iowa) |
8 |
|
| Mason (363 m, Iowa) |
8 |
|
| Knox Aeroporto (209 m, Indiana) |
0 |
|
| Porter (234 m, Indiana) |
6 |
|
| Lewis University Airport (231 m, Illinois) |
0 |
|
| Aurora Municipal Airport (215 m, Illinois) |
0 |
|
| Rock Falls Aeroporto (197 m, Illinois) |
4 |
|
| Illinois Valley Regional Airport (199 m, Illinois) |
4 |
|
| Quad Cities Intl. Airport (181 m, Illinois) |
8 |
300-600m |
| Aeroporto Internacional O’Hare (205 m, Illinois) |
8 |
>2500m |
| Winslow- Lindbergh Regional Airport (1488 m, Arizona) |
0 |
>2500m |
| Sandpoint Aeroporto (648 m, Idaho) |
0 |
|
| Phoenix Deer Valley Airport (450 m, Arizona) |
0 |
|
| Orlando Sanford Intl. Airport (17 m, Flórida) |
8 |
|
| Melbourne Orlando Intl. Airport (10 m, Flórida) |
8 |
|
| Sarasota (9 m, Flórida) |
0 |
|
| Base aérea de MacDill (4 m, Flórida) |
8 |
|
| Aeroporto Internacional de St. Pete-Cle (3 m, Flórida) |
0 |
|
| Groton (3 m, Connecticut) |
0 |
|
| Kit Carson County Airport (1285 m, Colorado) |
8 |
|
| Limon Aeroporto (1635 m, Colorado) |
8 |
|
| San Luis Valley Regional Airport (2299 m, Colorado) |
0 |
>2500m |
| Ralph Wien Memorial Airport (5 m, Alasca) |
0 |
>2500m |
| Cold Bay Aeroporto (31 m, Alasca) |
8 |
300-600m |
| Fort St. John Airport (695 m, Colúmbia Britânica) |
3 |
2000-2500m |
| South Big Horn Co Arpt (1201 m, Wyoming) |
8 |
|
| Rawlins Municipal Airport (2077 m, Wyoming) |
0 |
|
| Shawano Municipal Airport (248 m, Wisconsin) |
8 |
|
| Kenosha Regional Airport (226 m, Wisconsin) |
6 |
|
| John H. Batten Airport (205 m, Wisconsin) |
6 |
|
| Southern Wisconsin Regional Airport (246 m, Wisconsin) |
8 |
|
| Base Aérea Fairchild (743 m, Washington) |
4 |
|
| Aeroporto internacional de Norfolk (9 m, Virgínia) |
0 |
>2500m |
| Hill Air Force Base (1459 m, Utah) |
0 |
|
| Kickapoo Downtown Airport (304 m, Texas) |
0 |
|
| Avenger Field (725 m, Texas) |
0 |
|
| Midland Airpark Airport (854 m, Texas) |
0 |
|
| Manhattan (48 m, Nova Iorque) |
0 |
|
| Winkler Aeroporto (855 m, Texas) |
0 |
|
| Elbow Lake (367 m, Minnesota) |
8 |
|
| Scholes International Airport at Galves (16 m, Texas) |
8 |
|
| Stanton County Municipal Airport (1013 m, Kansas) |
8 |
|
| Aeroporto Internacional Del Rio (314 m, Texas) |
0 |
>2500m |
| Midland Aeroporto (874 m, Texas) |
0 |
>2500m |
| Aeroporto Internacional de Amarillo (1094 m, Texas) |
0 |
>2500m |
| Edwards (701 m, Califórnia) |
0 |
|
| Attawapiskat First Nation Airport (9 m, Ontário) |
8 |
300-600m |
| Gila Bend Aeroporto (269 m, Arizona) |
0 |
|
| Deer Lake Aeroporto (29 m, Terra Nova) |
8 |
1000-1500m |
| Newport State Airport (52 m, Rhode Island) |
0 |
|
| Wabush Aeroporto (551 m, Terra Nova) |
8 |
300-600m |
| Ogoki Post Airport (181 m, Ontário) |
8 |
600-1000m |
| DuBois Aeroporto (554 m, Pensilvânia) |
8 |
|
| Aeroporto de Yellowknife (206 m, Territórios do Noroeste) |
0 |
>2500m |
| Norman Wells (78 m, Territórios do Noroeste) |
0 |
>2500m |
| Guymon Aeroporto (952 m, Oklahoma) |
0 |
|
| Wellsville Municipal Airport (646 m, Nova Iorque) |
6 |
|
| Cando Aeroporto (450 m, Dakota do Norte) |
0 |
|
| Watertown Intl. Airport (99 m, Nova Iorque) |
8 |
|
| Clyde AP (27 m, Nunavut) |
8 |
600-1000m |
| Nova Iorque (27 m, Nova Iorque) |
0 |
|
| Angel Fire Aeroporto (2554 m, Novo México) |
4 |
|
| Sandy Lake (289 m, Ontário) |
8 |
2000-2500m |
| Grant County Airport (1638 m, Novo México) |
0 |
|
| Cape May Airport (7 m, Nova Jersey) |
0 |
|
| Kapuskasing (227 m, Ontário) |
8 |
300-600m |
| Big Trout Lake (222 m, Ontário) |
7 |
600-1000m |
| Laconia Municipal Airport (166 m, Nova Hampshire) |
6 |
|
| O'Neill Municipal Airport (619 m, Nebraska) |
4 |
|
| Moosonee (9 m, Ontário) |
8 |
200-300m |
| Dillon Aeroporto (1597 m, Montana) |
0 |
|
| Aeroporto Internacional de Honolulu (5 m, Havaí) |
2 |
600-1000m |
| McHenry Aeroporto (894 m, Maryland) |
0 |
|
| Olivia Aeroporto (328 m, Minnesota) |
6 |
|
| Granite Falls Municipal Airport (319 m, Minnesota) |
8 |
|
| Willmar Municipal Airport (343 m, Minnesota) |
0 |
|
| Canby Aeroporto (364 m, Minnesota) |
8 |
|
| Roberval Aeroporto (187 m, Quebec) |
8 |
1500-2000m |
| Saint-Hubert Airport (28 m, Quebec) |
8 |
1500-2000m |
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Aeroporto Municipal de Benson (317 m, Minnesota) |
8 |
|
| Langdon Aeroporto (490 m, Dakota do Norte) |
8 |
|
| Detroit Lakes Airport (426 m, Minnesota) |
4 |
|
| Moriarty Aeroporto (1889 m, Novo México) |
0 |
|
| Dodge Center Airport (398 m, Minnesota) |
8 |
|
| Hutchinson Municipal Airport (323 m, Minnesota) |
6 |
|
| Red Wing Regional Airport (239 m, Minnesota) |
8 |
|
| Montevideo (Awos) (315 m, Minnesota) |
8 |
|
| Morris Aeroporto (178 m, Illinois) |
0 |
|
| Glenwood (Asos) (425 m, Minnesota) |
8 |
|
| Fergus Falls Municipal Airport (361 m, Minnesota) |
4 |
|
| MBS Intl. Airport (204 m, Michigan) |
8 |
|
| Muskegon (193 m, Michigan) |
8 |
2000-2500m |
| Harriman-and-West Airport (201 m, Massachusetts) |
8 |
|
| Chatham Municipal Airport (19 m, Massachusetts) |
0 |
|
| Beverly Regional Airport (33 m, Massachusetts) |
4 |
|
| Millinocket Municipal Airport (124 m, Maine) |
8 |
|
| Eastern Slopes Regional Airport (137 m, Maine) |
6 |
|
| Hancock (26 m, Maine) |
8 |
|
| Beresford Airport (59 m, Nova Brunswick) |
8 |
600-1000m |
| Waterville Robert LaFleur Airport (101 m, Maine) |
4 |
|
| Baie-Comeau Aeroporto (22 m, Quebec) |
2 |
1500-2000m |
| Augusta State Airport (107 m, Maine) |
8 |
|
| Aeroporto Internacional de Portland (19 m, Maine) |
6 |
>2500m |
| Lakefront Airport (3 m, Luisiana) |
8 |
|
| Elkhart (1099 m, Kansas) |
4 |
|
| Russell Aeroporto (566 m, Kansas) |
0 |
|
| Newton (467 m, Kansas) |
8 |
|
| Hutchinson Municipal Airport (462 m, Kansas) |
8 |
|
| Blosser Municipal Airport (452 m, Kansas) |
0 |
>2500m |
| Philip Billard Municipal Airport (269 m, Kansas) |
2 |
>2500m |
norte - sul