| estações: 2865
|
nebulosidade |
base |
| Tonopah Airport (1654 m, Nevada) |
0 |
|
| Rowley Island (41 m, Nunavut) |
8 |
600-1000m |
| Aeroporto Internacional de Oakland (6 m, Califórnia) |
4 |
|
| Lamar Municipal Airport (1129 m, Colorado) |
0 |
|
| Napa Aeroporto (10 m, Califórnia) |
0 |
|
| Prineville Aeroporto (991 m, Oregon) |
0 |
|
| Kingman Airport (1033 m, Arizona) |
0 |
>2500m |
| Challis Aeroporto (1546 m, Idaho) |
0 |
|
| Aeroporto Internacional de Denver (1656 m, Colorado) |
6 |
>2500m |
| Truckee Tahoe Airport (1798 m, Califórnia) |
0 |
|
| Pincher Creek (1190 m, Alberta) |
0 |
|
| Lemhi (1233 m, Idaho) |
0 |
|
| Henderson Executive Airport (749 m, Nevada) |
0 |
|
| Aeroporto Internacional de São F (5 m, Califórnia) |
6 |
300-600m |
| Marin (1 m, Califórnia) |
0 |
|
| Lytton Aeroporto (225 m, Colúmbia Britânica) |
0 |
|
| Shingle Point Airport (49 m, Yukon) |
0 |
>2500m |
| Shepherd Bay Airport (45 m, Nunavut) |
8 |
300-600m |
| Sacramento McClellan Airport (23 m, Califórnia) |
0 |
|
| Aeroporto Internacional de Sacramento (7 m, Califórnia) |
4 |
|
| Alturas Aeroporto (1341 m, Califórnia) |
0 |
|
| Raton Municipal Airport (1935 m, Novo México) |
4 |
|
| Winnemucca Aeroporto (1322 m, Nevada) |
0 |
>2500m |
| Walla Walla Aeroporto (355 m, Washington) |
8 |
|
| Bend Municipal Airport (1055 m, Oregon) |
4 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
0 |
|
| Naval Station Mayport (5 m, Flórida) |
6 |
|
| Clayton Municipal Airpark (1515 m, Novo México) |
0 |
>2500m |
| Sacramento Mather Airport (29 m, Califórnia) |
0 |
|
| Eastern Sierra Regional Airport (1263 m, Califórnia) |
0 |
>2500m |
| West Yellowstone Aeroporto (2025 m, Montana) |
0 |
|
| Pierre Regional Airport (528 m, Dakota do Sul) |
0 |
|
| Stockton Metropolitan Airport (8 m, Califórnia) |
0 |
>2500m |
| Harriet Alexander Field (2293 m, Colorado) |
8 |
|
| Patrick Space Force Base (3 m, Flórida) |
0 |
|
| New Smyrna Beach Municipal Airport (3 m, Flórida) |
6 |
|
| Corpus Christi Intl. Airport (15 m, Texas) |
4 |
600-1000m |
| Odessa Aeroporto (902 m, Texas) |
4 |
|
| Buena Vista Aeroporto (2422 m, Colorado) |
8 |
|
| Derby Field (1190 m, Califórnia) |
0 |
|
| Hanksville Airport (1355 m, Utah) |
0 |
|
| Lethbridge (929 m, Alberta) |
0 |
>2500m |
| Spence Bay Airport (28 m, Nunavut) |
8 |
|
| Base Aérea Edwards (705 m, Califórnia) |
0 |
|
| Livermore Municipal Airport (121 m, Califórnia) |
0 |
|
| Price/Carbon (1799 m, Utah) |
0 |
|
| Chico Municipal Airport (73 m, Califórnia) |
6 |
|
| Pincher Creek Aeroporto (1190 m, Alberta) |
0 |
>2500m |
| Hall Beach Airport (7 m, Nunavut) |
8 |
|
| Oroville Municipal Airport (57 m, Califórnia) |
0 |
|
| Nut Tree Airport (34 m, Califórnia) |
0 |
|
| Allen Army Airfield (391 m, Alasca) |
6 |
1000-1500m |
| Petaluma Aeroporto (27 m, Califórnia) |
0 |
|
| Edwards (701 m, Califórnia) |
0 |
|
| Base Aérea de Nellis (570 m, Nevada) |
0 |
|
| Aeroporto de Kahului (20 m, Havaí) |
4 |
1000-1500m |
| Dillon Aeroporto (1597 m, Montana) |
0 |
|
| La Junta Municipal Airport (1278 m, Colorado) |
0 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Gage Airport (667 m, Oklahoma) |
0 |
|
| Melrose Gunnery Range (1326 m, Novo México) |
6 |
|
| Sable Island Airport (5 m, Nova Escócia) |
6 |
|
| La Veta Pass (3114 m, Colorado) |
8 |
|
| Barstow-Daggett Airport (587 m, Califórnia) |
0 |
|
| Crater Lake (1244 m, Oregon) |
0 |
|
| Liberal Mid-America Regional Airport (879 m, Kansas) |
6 |
|
| Porto Espacial e Aéreo de Mojave (849 m, Califórnia) |
0 |
|
| Hermiston Municipal Airport (195 m, Oregon) |
0 |
|
| Lytton (225 m, Colúmbia Britânica) |
0 |
>2500m |
| Miller Field Airport (792 m, Nebraska) |
0 |
>2500m |
| Alliance Municipal Airport (1198 m, Nebraska) |
0 |
|
| Burwash Landing Airport (807 m, Yukon) |
0 |
>2500m |
| Casper (1612 m, Wyoming) |
0 |
>2500m |
| Dodge City Regional Airport (790 m, Kansas) |
0 |
>2500m |
| Yuba (19 m, Califórnia) |
0 |
|
| Buckley Space Force Base (1726 m, Colorado) |
6 |
|
| Cheyenne County Municipal Airport (1040 m, Kansas) |
0 |
|
| Hayward Executive Airport (14 m, Califórnia) |
0 |
|
| Jimmy Lake (636 m, Saskatchewan) |
0 |
>2500m |
| Buchanan Field Airport (7 m, Califórnia) |
0 |
|
| Mercury/Desert Rock (1006 m, Nevada) |
0 |
>2500m |
| Sandberg Airport (1379 m, Califórnia) |
0 |
>2500m |
| Redding Municipal Airport (153 m, Califórnia) |
0 |
>2500m |
| Moore County Airport (1129 m, Texas) |
0 |
|
| Perryton Aeroporto (889 m, Texas) |
0 |
|
| Robstown Aeroporto (24 m, Texas) |
4 |
|
| Aeroporto Internacional de Salt Lake (1288 m, Utah) |
6 |
>2500m |
| Murrieta Hot Springs (412 m, Califórnia) |
0 |
|
| Cedar City Regional Airport (1714 m, Utah) |
0 |
|
| Wendover Aeroporto (1292 m, Utah) |
0 |
|
| Pullman- Moscow Regional Airport (778 m, Washington) |
0 |
|
| Colorado Air and Space Port (1680 m, Colorado) |
6 |
|
| Spokane Aeroporto (721 m, Washington) |
6 |
1500-2000m |
| Tehachapi Municipal Airport (1220 m, Califórnia) |
0 |
|
| Kugluktuk Aeroporto (23 m, Nunavut) |
8 |
600-1000m |
| Hollister Aeroporto (70 m, Califórnia) |
0 |
|
| Cavern City Airport (985 m, Novo México) |
0 |
|
| Davis Aeroporto (21 m, Califórnia) |
0 |
|
| Estação da Força E (3 m, Flórida) |
0 |
|
| Lincoln Aeroporto (37 m, Califórnia) |
0 |
|
| Mammoth Yosemite Airport (2173 m, Califórnia) |
0 |
|
| Zamperini Field (27 m, Califórnia) |
6 |
|
| San Carlos Airport (1 m, Califórnia) |
4 |
|
| Artesia Municipal Airport (1081 m, Novo México) |
0 |
|
| Deming Municipal Airport (1313 m, Novo México) |
6 |
|
| Pratt Regional Airport (595 m, Kansas) |
0 |
|
| Victoria Int. Airport (19 m, Colúmbia Britânica) |
5 |
300-600m |
| Vancouver Aeroporto (4 m, Colúmbia Britânica) |
7 |
300-600m |
| Pocatello Regional Airport (1365 m, Idaho) |
2 |
1500-2000m |
| Beale Air Force Base (38 m, Califórnia) |
0 |
|
| Lewiston Aeroporto (438 m, Idaho) |
0 |
>2500m |
| Bert Mooney Airport (1688 m, Montana) |
0 |
|
| McCall Municipal Airport (1530 m, Idaho) |
0 |
|
| Idaho County Airport (1010 m, Idaho) |
0 |
|
| Taloyoak Aeroporto (28 m, Nunavut) |
7 |
100-200m |
| Hilo Intl. Airport (10 m, Havaí) |
2 |
600-1000m |
| West Woodward Airport (667 m, Oklahoma) |
0 |
|
| Alva Regional Airport (449 m, Oklahoma) |
0 |
|
| Burns Municipal Airport (1271 m, Oregon) |
0 |
>2500m |
| Roberts Field (932 m, Oregon) |
8 |
|
| San Jose Intl. Airport (17 m, Califórnia) |
6 |
|
| Creech Air Force Base Airport (951 m, Nevada) |
2 |
|
| Paso Robles Municipal Airport (255 m, Califórnia) |
0 |
|
| Port Fourchon Terminal (2 m, Luisiana) |
8 |
|
| Bozeman Yellowstone Intl. Airport (1349 m, Montana) |
0 |
|
| Craig (1915 m, Colorado) |
0 |
>2500m |
| Naval Air Station Jacksonville (7 m, Flórida) |
6 |
|
| Colorado Springs Airport (1881 m, Colorado) |
8 |
|
| Del Norte Aeroporto (2425 m, Colorado) |
8 |
|
| Aeroporto Internacional de Amarillo (1094 m, Texas) |
0 |
>2500m |
| Victoria Regional Airport (36 m, Texas) |
2 |
2000-2500m |
| Dalhart Municipal Airport (1216 m, Texas) |
0 |
|
| Sidney Municipal Airport (1312 m, Nebraska) |
0 |
|
| Imperial County Airport (-17 m, Califórnia) |
0 |
|
| Garden (878 m, Kansas) |
0 |
|
| Stanton County Municipal Airport (1013 m, Kansas) |
0 |
|
| Swift Current Airport (818 m, Saskatchewan) |
0 |
|
| Aeroporto Internacional de El Paso (1194 m, Texas) |
6 |
2000-2500m |
| Flagler County Airport (10 m, Flórida) |
6 |
|
| Rankin Inlet Aeroporto (29 m, Nunavut) |
7 |
1500-2000m |
| Base Aérea Laughlin (327 m, Texas) |
0 |
|
| Weaverville (716 m, Califórnia) |
0 |
|
| Bicycle Lake Army Airfield (716 m, Califórnia) |
0 |
|
| Susanville Municipal Airport (1263 m, Califórnia) |
0 |
|
| Shively Field Airport (2138 m, Wyoming) |
0 |
|
| Kemmerer Municipal Airport (2220 m, Wyoming) |
0 |
|
| Afton Aeroporto (1896 m, Wyoming) |
0 |
|
| Auburn Aeroporto (467 m, Califórnia) |
0 |
|
| San Bernardino Intl. Airport (353 m, Califórnia) |
6 |
|
| Hereford Aeroporto (1154 m, Texas) |
0 |
|
| Andrews Aeroporto (967 m, Texas) |
4 |
|
| Blythe Airport (118 m, Califórnia) |
2 |
|
| Aeroporto Internacional de Honolulu (5 m, Havaí) |
4 |
600-1000m |
| Santa Rose Airport (38 m, Califórnia) |
4 |
|
| Salinas Municipal Airport (26 m, Califórnia) |
0 |
|
| Riverside Municipal Airport (249 m, Califórnia) |
6 |
|
| Base Aérea da Reserva March (468 m, Califórnia) |
0 |
|
| Ontario Intl. Airport (287 m, Califórnia) |
6 |
|
| Fort Yukon Aeroporto (135 m, Alasca) |
0 |
>2500m |
| Worland Municipal Airport (1294 m, Wyoming) |
0 |
|
| Riverton Aeroporto (1684 m, Wyoming) |
0 |
>2500m |
| Torrington Aeroporto (1281 m, Wyoming) |
0 |
|
| Lander/Hunt Field Airport (1694 m, Wyoming) |
0 |
|
| Modesto (30 m, Califórnia) |
0 |
|
| Lompoc Aeroporto (27 m, Califórnia) |
0 |
|
| Chino Airport (199 m, Califórnia) |
6 |
|
| Estação Aeronaval de Arma (696 m, Califórnia) |
6 |
|
| Blue Canyon (1611 m, Califórnia) |
0 |
|
| Catalina Airport (488 m, Califórnia) |
0 |
|
| Montreal Aeroporto Trudeau (34 m, Quebec) |
7 |
1000-1500m |
| Base Aérea Fairchild (743 m, Washington) |
0 |
|
| Tri-Cities Airport (135 m, Washington) |
2 |
|
| Bellingham Intl. Airport (45 m, Washington) |
6 |
|
| Kit Carson County Airport (1285 m, Colorado) |
0 |
|
| Garfield County Regional Airport (1691 m, Colorado) |
0 |
|
| Yampa Valley Airport (2012 m, Colorado) |
0 |
|
| Canyonlands Regional Airport (1388 m, Utah) |
0 |
|
| Port Aransas Aeroporto (2 m, Texas) |
4 |
|
| Garner Field (287 m, Texas) |
4 |
|
| Centennial Aeroporto (1793 m, Colorado) |
6 |
|
| Pecos Municipal Airport (796 m, Texas) |
4 |
|
| Pampa (989 m, Texas) |
0 |
|
| Cleburne Aeroporto (260 m, Texas) |
0 |
|
| Naval Air Station Kingsville Airport (17 m, Texas) |
6 |
|
| Hutchinson (931 m, Texas) |
2 |
|
| Canadian Aeroporto (730 m, Texas) |
0 |
|
| Pine Springs (1663 m, Texas) |
4 |
|
| Fort Stockton- Pecos County Airport (917 m, Texas) |
0 |
|
| Arlington Aeroporto (192 m, Texas) |
0 |
|
| Rocky Mountain Metropolitan Airport (1724 m, Colorado) |
6 |
|
| New Braunfels Aeroporto (197 m, Texas) |
2 |
|
| Aransas (8 m, Texas) |
0 |
|
| Mc Gregor (180 m, Texas) |
4 |
|
| South Texas Regional Airport at Hondo (283 m, Texas) |
8 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
0 |
|
| SwiftCurrent (820 m, Saskatchewan) |
0 |
>2500m |
| Saint John's Airport (135 m, Terra Nova) |
5 |
200-300m |
| Port Isabel Airport (5 m, Texas) |
0 |
|
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
6 |
>2500m |
| Midland Aeroporto (874 m, Texas) |
0 |
>2500m |
| Winner Regional Airport (619 m, Dakota do Sul) |
0 |
|
| Mobridge Aeroporto (508 m, Dakota do Sul) |
0 |
|
| Philip Aeroporto (673 m, Dakota do Sul) |
0 |
|
| Pueblo Memorial Airport (1439 m, Colorado) |
0 |
>2500m |
| Grant County Regional Airport (1127 m, Oregon) |
0 |
|
| Baker City Aeroporto (1026 m, Oregon) |
0 |
|
| Guymon Aeroporto (952 m, Oklahoma) |
0 |
|
| Driggs Aeroporto (1898 m, Idaho) |
0 |
|
| Aeroporto Internacional de Calgary (1084 m, Alberta) |
6 |
2000-2500m |
| Lea (1114 m, Novo México) |
0 |
|
| Cannon AFB (1309 m, Novo México) |
0 |
|
| Clovis Municipal Airport (1284 m, Novo México) |
0 |
|
| Roswell Airport (1118 m, Novo México) |
4 |
>2500m |
| Laughlin/Bullhead Intl. Airport (167 m, Arizona) |
4 |
|
| Sierra Vista Municipal Airport (1421 m, Arizona) |
0 |
|
| Window Rock Aeroporto (2054 m, Arizona) |
6 |
|
| Carson City Aeroporto (1432 m, Nevada) |
0 |
|
| Naval Air Station Fallon Airport (1199 m, Nevada) |
6 |
|
| Aeroporto Internacional de Orlando (32 m, Flórida) |
6 |
1000-1500m |
| Saglek Bay Airport (483 m, Terra Nova) |
8 |
|
| Cut Bank Aeroporto (1169 m, Montana) |
0 |
|
| Glasgow Aeroporto (693 m, Montana) |
0 |
>2500m |
| McKinnon St. Simons (6 m, Geórgia) |
0 |
|
| Grand Canyon National Park Airport (2014 m, Arizona) |
6 |
|
| Fernandina Beach Municipal Airport (5 m, Flórida) |
0 |
|
| Northeast Florida Regional Airport (3 m, Flórida) |
6 |
|
| Monte Washington Aeroporto (1910 m, Nova Hampshire) |
não identificável |
|
| Hawthorne Municipal Airport (19 m, Califórnia) |
0 |
|
| Homestead Air Reserve Base (2 m, Flórida) |
0 |
|
| Kerrville Municipal Airport (493 m, Texas) |
0 |
|
| Barnes Aeroporto (427 m, Dakota do Norte) |
0 |
|
| Aeroporto Internacional de Whitehorse E (706 m, Yukon) |
3 |
2000-2500m |
| Scholes International Airport at Galves (16 m, Texas) |
0 |
|
| Fort Worth Meacham Intl. Airport (216 m, Texas) |
0 |
|
| Base Aérea Naval de Fort Worth (198 m, Texas) |
8 |
|
| Cheyenne Regional Airport (1872 m, Wyoming) |
0 |
>2500m |
| Perot Field Fort Worth Alliance Airport (220 m, Texas) |
2 |
|
| Dallas Executive Airport (201 m, Texas) |
0 |
|
| Needles Airport (302 m, Califórnia) |
0 |
|
| Addison Aeroporto (196 m, Texas) |
0 |
|
| Jackson Hole Airport (1964 m, Wyoming) |
0 |
|
| McAllen Miller Intl. Airport (33 m, Texas) |
2 |
|
| Aeroporto Internacional Logan (9 m, Massachusetts) |
8 |
>2500m |
| Gander Aeroporto (151 m, Terra Nova) |
7 |
200-300m |
| Abilene Aeroporto (546 m, Texas) |
0 |
>2500m |
| Aeroporto Internacional Del Rio (314 m, Texas) |
0 |
>2500m |
| Jack Brooks Regional Airport (7 m, Texas) |
6 |
1500-2000m |
| King Salmon Aeroporto (14 m, Alasca) |
8 |
300-600m |
| Gulkana Airport (481 m, Alasca) |
8 |
>2500m |
| Russell Aeroporto (566 m, Kansas) |
0 |
|
| Wekweètì Airport (368 m, Territórios do Noroeste) |
6 |
|
| Colonel James Jabara Airport (433 m, Kansas) |
0 |
|
| Mitchell Municipal Airport (397 m, Dakota do Sul) |
0 |
|
| Watertown Regional Airport (532 m, Dakota do Sul) |
0 |
|
| Huron Aeroporto (393 m, Dakota do Sul) |
0 |
>2500m |
| Aeroporto Regional de Sioux Falls (435 m, Dakota do Sul) |
0 |
>2500m |
| Rapid City Aeroporto (965 m, Dakota do Sul) |
0 |
>2500m |
| Aberdeen Aeroporto (397 m, Dakota do Sul) |
0 |
>2500m |
| Hilton Head Airport (7 m, Carolina do Sul) |
0 |
|
| Daytona Beach Aeroporto (38 m, Flórida) |
6 |
|
| Lewistown Municipal Airport (1263 m, Montana) |
0 |
|
| Toronto/Pearson Airport (173 m, Ontário) |
8 |
300-600m |
| Puvirnituq (23 m, Quebec) |
2 |
|
| Corvallis Municipal Airport (75 m, Oregon) |
8 |
|
| Geraldton AP (349 m, Ontário) |
7 |
600-1000m |
| Wray Aeroporto (1087 m, Colorado) |
0 |
|
| Fort St. John Airport (695 m, Colúmbia Britânica) |
8 |
600-1000m |
| Saglek Bay (501 m, Califórnia) |
8 |
50-100m |
| Lloydminster Airport (669 m, Alberta) |
0 |
>2500m |
| Ontario Municipal Airport (667 m, Oregon) |
0 |
|
| The Pas Airport (270 m, Manitoba) |
0 |
>2500m |
| McNary Field Airport (61 m, Oregon) |
6 |
300-600m |
| Tioga Aeroporto (684 m, Dakota do Norte) |
0 |
|
| Eugene Airport (114 m, Oregon) |
8 |
300-600m |
| Thomas P. Stafford Airport (489 m, Oklahoma) |
0 |
|
| Medicine Hat (717 m, Alberta) |
0 |
>2500m |
| Watonga Regional Airport (472 m, Oklahoma) |
0 |
|
| Kamloops Airport (345 m, Colúmbia Britânica) |
7 |
600-1000m |
| Brevoort Island Airport (376 m, Nunavut) |
8 |
>2500m |
| Vance Air Force Base (398 m, Oklahoma) |
0 |
|
| Frederick Regional Airport (377 m, Oklahoma) |
0 |
|
| Penticton Aeroporto (344 m, Colúmbia Britânica) |
8 |
200-300m |
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
0 |
|
| Hobart Regional Airport (478 m, Oklahoma) |
0 |
|
| Enid Woodring Regional Airport (356 m, Oklahoma) |
4 |
|
| Aeroporto de Cleveland Burke Lakefront (178 m, Ohio) |
6 |
|
| Aeroporto Internacional Hector (274 m, Dakota do Norte) |
0 |
>2500m |
| High Level Airport (338 m, Alberta) |
8 |
300-600m |
| Resolute AP (67 m, Nunavut) |
6 |
>2500m |
| Friedman Memorial Airport (1620 m, Idaho) |
4 |
|
| Coeur d'Alene Airport (707 m, Idaho) |
0 |
|
| Idaho Falls Regional Airport (1441 m, Idaho) |
0 |
|
| Flagstaff/Belemont (2181 m, Arizona) |
8 |
2000-2500m |
| Ilha de San Clemente Aeroporto (52 m, Califórnia) |
8 |
|
| Aeroporto Internacional John F. Kennedy (7 m, Nova Iorque) |
6 |
>2500m |
| H.A. Clark Memorial Field (2036 m, Arizona) |
6 |
|
| Palo Alto Aeroporto (2 m, Califórnia) |
2 |
|
| Yuma Intl. Airport (65 m, Arizona) |
0 |
|
| Reid- Hillview Airport (41 m, Califórnia) |
4 |
|
| Inverness Aeroporto (15 m, Flórida) |
8 |
|
norte - sul