| estações: 2887
|
nebulosidade |
base |
| Grand Junction Regional Airport (1472 m, Colorado) |
0 |
>2500m |
| Magic Valley Regional Airport (1265 m, Idaho) |
8 |
|
| Crater Lake (1244 m, Oregon) |
8 |
|
| Ilhas da Madalena Aeroporto (18 m, Quebec) |
8 |
100-200m |
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
2 |
600-1000m |
| Grey Butte Field Airport (923 m, Califórnia) |
0 |
|
| Lytton Aeroporto (225 m, Colúmbia Britânica) |
0 |
|
| Frobisher/Iqaluit Airport (34 m, Nunavut) |
6 |
|
| Hereford Aeroporto (1154 m, Texas) |
0 |
|
| Lincoln Aeroporto (37 m, Califórnia) |
4 |
|
| Crosby Aeroporto (594 m, Dakota do Norte) |
8 |
|
| Sacramento Executive Airport (8 m, Califórnia) |
0 |
|
| North Las Vegas Airport (671 m, Nevada) |
0 |
|
| Artesia Municipal Airport (1081 m, Novo México) |
0 |
|
| Vernal Regional Airport (1608 m, Utah) |
0 |
|
| Kingman Airport (1033 m, Arizona) |
0 |
>2500m |
| St.Anthony A (32 m, Terra Nova) |
8 |
300-600m |
| Naval Outlying Landing Field San Nicola (174 m, Califórnia) |
4 |
|
| Regina Aeroporto (577 m, Saskatchewan) |
6 |
|
| Santa Barbara Municipal Airport (3 m, Califórnia) |
4 |
|
| Worcester Aeroporto (308 m, Massachusetts) |
0 |
|
| Sierra Blanca Regional Airport (2076 m, Novo México) |
0 |
|
| Delta (1583 m, Colorado) |
0 |
|
| Chico Municipal Airport (73 m, Califórnia) |
6 |
|
| Ellsworth Air Force Base (979 m, Dakota do Sul) |
8 |
|
| Aeroporto Internacional de Kelowna (456 m, Colúmbia Britânica) |
8 |
1500-2000m |
| Alturas Aeroporto (1341 m, Califórnia) |
2 |
|
| Port Heiden Aeroporto (29 m, Alasca) |
8 |
600-1000m |
| Ely Airport (1909 m, Nevada) |
0 |
>2500m |
| Dillon Aeroporto (1597 m, Montana) |
2 |
|
| Grants Milan Mun. AP (1987 m, Novo México) |
0 |
|
| Lytton (225 m, Colúmbia Britânica) |
0 |
>2500m |
| Cannon AFB (1309 m, Novo México) |
2 |
|
| Holyoke Aeroporto (1137 m, Colorado) |
8 |
|
| Sidney Municipal Airport (1312 m, Nebraska) |
8 |
|
| Angel Fire Aeroporto (2554 m, Novo México) |
4 |
|
| Socorro Aeroporto (1478 m, Novo México) |
0 |
|
| Victoria Regional Airport (36 m, Texas) |
8 |
600-1000m |
| Aeroporto Regional do Condado de Eagle (1993 m, Colorado) |
2 |
|
| Hall Beach Airport (7 m, Nunavut) |
6 |
|
| Swift Current Airport (818 m, Saskatchewan) |
8 |
|
| Window Rock Aeroporto (2054 m, Arizona) |
0 |
|
| Albany Aeroporto (89 m, Nova Iorque) |
6 |
2000-2500m |
| Valley Intl. Airport (10 m, Texas) |
6 |
|
| Estevan Aeroporto (584 m, Saskatchewan) |
8 |
2000-2500m |
| Hall Beach (8 m, Califórnia) |
8 |
300-600m |
| Imperial (997 m, Nebraska) |
8 |
|
| Naval Air Station Kingsville Airport (17 m, Texas) |
6 |
|
| Dixon Aeroporto (1996 m, Wyoming) |
6 |
|
| Schenectady (115 m, Nova Iorque) |
6 |
|
| Rawlins Municipal Airport (2077 m, Wyoming) |
4 |
|
| Shepherd Bay Airport (45 m, Nunavut) |
7 |
300-600m |
| Meeker (1948 m, Colorado) |
0 |
|
| Robstown Aeroporto (24 m, Texas) |
0 |
|
| Watford City Aeroporto (643 m, Dakota do Norte) |
8 |
|
| Old Crow Aeroporto (251 m, Yukon) |
2 |
|
| Fort Morgan Aeroporto (1393 m, Colorado) |
0 |
|
| Beeville Aeroporto (82 m, Texas) |
4 |
|
| Buchanan Field Airport (7 m, Califórnia) |
8 |
|
| SwiftCurrent (820 m, Saskatchewan) |
8 |
1000-1500m |
| Wellsville Municipal Airport (646 m, Nova Iorque) |
2 |
|
| Show Low Regional Airport (1954 m, Arizona) |
0 |
|
| Naval Air Station Key West (2 m, Flórida) |
0 |
|
| Quonset State Airport (6 m, Rhode Island) |
0 |
|
| Livermore Municipal Airport (121 m, Califórnia) |
0 |
|
| Cheyenne County Municipal Airport (1040 m, Kansas) |
8 |
|
| Floyd Bennett Memorial Airport (100 m, Nova Iorque) |
2 |
|
| Powell Aeroporto (1552 m, Wyoming) |
4 |
|
| Spence Bay Airport (28 m, Nunavut) |
8 |
|
| Moose Jaw (577 m, Saskatchewan) |
8 |
|
| Minot Air Force Base (497 m, Dakota do Norte) |
8 |
|
| Glasgow Aeroporto (693 m, Montana) |
8 |
600-1000m |
| Rexburg (1481 m, Idaho) |
0 |
|
| Toronto/Pearson Airport (173 m, Ontário) |
0 |
2000-2500m |
| Aeroporto Internacional do Sudoeste da (9 m, Flórida) |
0 |
|
| Cape Peel West (165 m, Territórios do Noroeste) |
0 |
>2500m |
| New Bedford Regional Airport (23 m, Massachusetts) |
0 |
|
| Base da Guarda Nacional do Ar de Otis (40 m, Massachusetts) |
0 |
|
| Aeroporto Internacional de Los Angeles (30 m, Califórnia) |
4 |
300-600m |
| Reno Stead Airport (1539 m, Nevada) |
8 |
|
| Pine Bluffs Muni (1570 m, Wyoming) |
0 |
|
| Santa Maria Public Airport (73 m, Califórnia) |
4 |
600-1000m |
| Aeroporto Internacional de Oakland (6 m, Califórnia) |
6 |
|
| São Pedro (24 m, Saint-Pierre e Miquelon) |
não identificável |
|
| Chino Airport (199 m, Califórnia) |
8 |
|
| Hayward Executive Airport (14 m, Califórnia) |
6 |
|
| Liverpool Bay (102 m, Territórios do Noroeste) |
2 |
200-300m |
| Fort Chipewyan (232 m, Alberta) |
2 |
>2500m |
| Ontario Intl. Airport (287 m, Califórnia) |
6 |
|
| Provincetown Aeroporto (2 m, Massachusetts) |
8 |
|
| Palm Springs Intl. Airport (141 m, Califórnia) |
0 |
|
| Riverside Municipal Airport (249 m, Califórnia) |
6 |
|
| Salinas Municipal Airport (26 m, Califórnia) |
6 |
|
| Elko Regional Airport (1565 m, Nevada) |
2 |
|
| San Luis Obispo County Regional Airport (64 m, Califórnia) |
0 |
|
| Pocatello Regional Airport (1365 m, Idaho) |
6 |
2000-2500m |
| Saguache (2385 m, Colorado) |
0 |
|
| Naples Airport (3 m, Flórida) |
0 |
|
| Nut Tree Airport (34 m, Califórnia) |
2 |
|
| Winner Regional Airport (619 m, Dakota do Sul) |
8 |
|
| Paine Field (185 m, Washington) |
6 |
|
| Guernsey Aeroporto (1341 m, Wyoming) |
6 |
|
| Brackett Field (308 m, Califórnia) |
6 |
|
| Chamberlain (530 m, Dakota do Sul) |
8 |
|
| Winnemucca Aeroporto (1322 m, Nevada) |
6 |
>2500m |
| Hollister Aeroporto (70 m, Califórnia) |
0 |
|
| Sacramento McClellan Airport (23 m, Califórnia) |
0 |
|
| Randolph Air Force Base (232 m, Texas) |
6 |
|
| Goodland Municipal Airport (1124 m, Kansas) |
8 |
50-100m |
| Springerville Muni (2150 m, Arizona) |
0 |
|
| Florida Keys Marathon Airport (2 m, Flórida) |
2 |
|
| Inukjuak (25 m, Quebec) |
8 |
300-600m |
| Colby Municipal Airport (971 m, Kansas) |
8 |
|
| San Luis Valley Regional Airport (2299 m, Colorado) |
0 |
>2500m |
| Durango (2038 m, Colorado) |
0 |
|
| Laramie Aeroporto (2218 m, Wyoming) |
4 |
|
| Pierre Regional Airport (528 m, Dakota do Sul) |
8 |
|
| Aeroporto Intercontinental George Bush (33 m, Texas) |
6 |
600-1000m |
| Nova Orleães Aeroporto (9 m, Luisiana) |
6 |
1000-1500m |
| CFB Bagotville (159 m, Quebec) |
3 |
>2500m |
| Riverton Aeroporto (1684 m, Wyoming) |
6 |
>2500m |
| Cortez Municipal Airport (1803 m, Colorado) |
0 |
|
| Baker Lake Aeroporto (18 m, Nunavut) |
8 |
1000-1500m |
| Deming Municipal Airport (1313 m, Novo México) |
0 |
|
| Clovis Municipal Airport (1284 m, Novo México) |
0 |
|
| Ralph Wien Memorial Airport (5 m, Alasca) |
2 |
600-1000m |
| McAllen Miller Intl. Airport (33 m, Texas) |
4 |
|
| Dalhart Municipal Airport (1216 m, Texas) |
0 |
|
| Bryce Canyon Airport (2312 m, Utah) |
0 |
|
| Clayton Municipal Airpark (1515 m, Novo México) |
0 |
>2500m |
| Searle Field Airport (999 m, Nebraska) |
8 |
|
| Bradford Aeroporto (653 m, Pensilvânia) |
8 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
8 |
|
| Sterling Aeroporto (1231 m, Colorado) |
0 |
|
| Gjoa Haven Aeroporto (46 m, Nunavut) |
8 |
600-1000m |
| Taloyoak Aeroporto (28 m, Nunavut) |
8 |
600-1000m |
| Limon Aeroporto (1635 m, Colorado) |
0 |
|
| Cold Bay Aeroporto (31 m, Alasca) |
8 |
200-300m |
| Four Corners Regional Airport (1677 m, Novo México) |
0 |
|
| Bend Municipal Airport (1055 m, Oregon) |
4 |
|
| Newport Municipal Airport (37 m, Oregon) |
8 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Provo Municipal Airport (1369 m, Utah) |
0 |
|
| Laughlin/Bullhead Intl. Airport (167 m, Arizona) |
4 |
|
| Greenwood (28 m, Nova Escócia) |
8 |
300-600m |
| Roswell Airport (1118 m, Novo México) |
0 |
>2500m |
| Big Spring Aeroporto (784 m, Texas) |
0 |
|
| Beale Air Force Base (38 m, Califórnia) |
6 |
|
| Sidney- Richland Municipal Airport (605 m, Montana) |
8 |
|
| Flagstaff/Belemont (2181 m, Arizona) |
0 |
>2500m |
| Blanc-Sablon Airport (32 m, Quebec) |
8 |
600-1000m |
| Hawthorne Municipal Airport (19 m, Califórnia) |
8 |
|
| Jack Brooks Regional Airport (7 m, Texas) |
8 |
600-1000m |
| Crescent City (17 m, Califórnia) |
8 |
|
| Colorado Springs Airport (1881 m, Colorado) |
6 |
|
| Westchester (121 m, Nova Iorque) |
0 |
|
| Estação Aeronaval de Arma (696 m, Califórnia) |
4 |
|
| Astoria Regional Airport (7 m, Oregon) |
8 |
300-600m |
| Crystal River Airport (3 m, Flórida) |
0 |
|
| Tri-Cities Airport (135 m, Washington) |
4 |
|
| Palacios Municipal Airport (5 m, Texas) |
8 |
|
| Telluride Regional Airport (2769 m, Colorado) |
0 |
|
| Sierra Vista Municipal Airport (1421 m, Arizona) |
0 |
|
| Camarillo Aeroporto (23 m, Califórnia) |
0 |
|
| Hillsboro Airport (62 m, Oregon) |
8 |
|
| Pampa (989 m, Texas) |
8 |
|
| Kissimmee Gateway Airport (25 m, Flórida) |
0 |
|
| Aeroporto Regional do Condado de Outaga (280 m, Wisconsin) |
0 |
|
| Eastern Sierra Regional Airport (1263 m, Califórnia) |
0 |
>2500m |
| South Texas International Airport at Ed (24 m, Texas) |
8 |
|
| Southwest Oregon Regional Airport (1 m, Oregon) |
8 |
|
| Mary's Harbour Aeroporto (12 m, Terra Nova) |
8 |
|
| Long Beach Airport (12 m, Califórnia) |
8 |
1500-2000m |
| Stockton Metropolitan Airport (8 m, Califórnia) |
4 |
2000-2500m |
| Academia da Força Aérea d (1999 m, Colorado) |
2 |
|
| Omak Airport (382 m, Washington) |
8 |
|
| Base Aérea Naval de Fort Worth (198 m, Texas) |
4 |
|
| Miami Executive Airport (3 m, Flórida) |
6 |
|
| Harry P. Williams Memorial Airport (3 m, Luisiana) |
0 |
|
| Pittsfield Municipal Airport (364 m, Massachusetts) |
8 |
|
| North Perry Airport (3 m, Flórida) |
2 |
|
| Lakefront Airport (3 m, Luisiana) |
6 |
|
| Elmira Corning Regional Airport (291 m, Nova Iorque) |
8 |
|
| Clyde AP (27 m, Nunavut) |
8 |
300-600m |
| Aeroporto LaGuardia (9 m, Nova Iorque) |
6 |
>2500m |
| Aeroporto Internacional John F. Kennedy (7 m, Nova Iorque) |
6 |
>2500m |
| Mondell Fld AP (1272 m, Wyoming) |
6 |
|
| Puvirnituq (23 m, Quebec) |
8 |
|
| Kindersley Regional Airport (698 m, Saskatchewan) |
8 |
1500-2000m |
| Mary’s Harbour (11 m, Terra Nova) |
8 |
100-200m |
| Port Fourchon Terminal (2 m, Luisiana) |
0 |
|
| Aeroporto Internacional de Portland (19 m, Maine) |
0 |
>2500m |
| Fort Simpson Aeroporto (169 m, Territórios do Noroeste) |
6 |
>2500m |
| Seminole Aeroporto (1010 m, Texas) |
0 |
|
| Saint John Aeroporto (111 m, Nova Brunswick) |
8 |
300-600m |
| Albert Whitted Airport (2 m, Flórida) |
2 |
|
| Perot Field Fort Worth Alliance Airport (220 m, Texas) |
4 |
|
| Jamestown Regional Airport (454 m, Dakota do Norte) |
2 |
|
| Stanton County Municipal Airport (1013 m, Kansas) |
8 |
|
| Waterloo Well Airport (315 m, Ontário) |
0 |
>2500m |
| Tucumcari Municipal Airport (1234 m, Novo México) |
2 |
|
| Hat Isl. (36 m, Nunavut) |
8 |
600-1000m |
| Venice Municipal Airport (6 m, Flórida) |
2 |
|
| Key Lake Airport (514 m, Saskatchewan) |
0 |
>2500m |
| Houlton Intl. Airport (150 m, Maine) |
8 |
|
| Base aérea Andrews (88 m, Maryland) |
0 |
|
| Ernest A. Love Field Airport (1537 m, Arizona) |
0 |
|
| Dickinson Theodore Roosevelt Regional A (787 m, Dakota do Norte) |
8 |
|
| Aeroporto Metropolitano de Detroit Wayn (202 m, Michigan) |
2 |
>2500m |
| Beverly Regional Airport (33 m, Massachusetts) |
8 |
|
| Thedford Aeroporto (892 m, Nebraska) |
8 |
|
| Beaumont Municipal Airport (10 m, Texas) |
6 |
|
| Sault Ste Marie (192 m, Ontário) |
0 |
>2500m |
| Rugby Aeroporto (472 m, Dakota do Norte) |
0 |
|
| Aeroporto Internacional Logan (9 m, Massachusetts) |
4 |
>2500m |
| Port Hawkesbury Aeroporto (114 m, Nova Escócia) |
8 |
50-100m |
| William H. Morse State Airport (252 m, Vermont) |
0 |
|
| Fulton County Airport (238 m, Ohio) |
0 |
|
| Glen Ullin Aeroporto (634 m, Dakota do Norte) |
8 |
|
| Oakes Aeroporto (400 m, Dakota do Norte) |
4 |
|
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
0 |
>2500m |
| Aeroporto Internacional de Amarillo (1094 m, Texas) |
0 |
>2500m |
| Edson (925 m, Alberta) |
2 |
>2500m |
| Snyder (741 m, Texas) |
0 |
|
| Edson Airport (925 m, Alberta) |
2 |
|
| Kremmling Aeroporto (2229 m, Colorado) |
0 |
|
| Newport State Airport (52 m, Rhode Island) |
0 |
|
| North Central State Airport (134 m, Rhode Island) |
0 |
|
| Toronto Islands Aeroporto (77 m, Ontário) |
0 |
>2500m |
| Aeroporto Regional de Wittman (246 m, Wisconsin) |
0 |
|
| Mandan Aeroporto (593 m, Dakota do Norte) |
4 |
|
| Fort Lauderdale Aeroporto (4 m, Flórida) |
2 |
|
| Melrose Gunnery Range (1326 m, Novo México) |
0 |
|
| Pompano Beach Aeroporto (7 m, Flórida) |
2 |
|
| Aeroporto Internacional Rhode (19 m, Rhode Island) |
2 |
2000-2500m |
| Alice Intl. Airport (52 m, Texas) |
6 |
|
| Payson Airport (1572 m, Arizona) |
0 |
|
| Jim Kelly Field (736 m, Nebraska) |
8 |
|
| Portland Aeroporto (12 m, Oregon) |
6 |
1000-1500m |
| Willow Run Airport (218 m, Michigan) |
0 |
|
| Sedona Airport (1471 m, Arizona) |
0 |
|
| Hale County Airport (1028 m, Texas) |
4 |
|
| Winterhaven (44 m, Flórida) |
0 |
|
| Port Aransas Aeroporto (2 m, Texas) |
8 |
|
| Hanscom Field (41 m, Massachusetts) |
4 |
|
| Sarnia Chris Hadfield Airport (181 m, Ontário) |
0 |
>2500m |
| Truckee Tahoe Airport (1798 m, Califórnia) |
6 |
|
| Pleasanton Aeroporto (131 m, Texas) |
8 |
|
| Pangborn Memorial Airport (379 m, Washington) |
6 |
|
| San Bernardino Intl. Airport (353 m, Califórnia) |
6 |
|
| H.A. Clark Memorial Field (2036 m, Arizona) |
0 |
|
| Fitchburg Municipal Airport (106 m, Massachusetts) |
0 |
|
| Joint Forces Training Base (11 m, Califórnia) |
6 |
|
| Yarmouth Airport (46 m, Nova Escócia) |
3 |
600-1000m |
| Walden Aeroporto (2485 m, Colorado) |
4 |
|
| Base Aérea Fairchild (743 m, Washington) |
8 |
|
| Broken Bow Municipal Airport (776 m, Nebraska) |
8 |
|
| Paso Robles Municipal Airport (255 m, Califórnia) |
0 |
|
| Philip Aeroporto (673 m, Dakota do Sul) |
8 |
|
| Gunnison (2339 m, Colorado) |
0 |
|
| Miami-Opa Locka Executive Airport (3 m, Flórida) |
2 |
|
| Kearney Regional Airport (649 m, Nebraska) |
8 |
|
| Santa Ynez Aeroporto (205 m, Califórnia) |
0 |
|
| Chippewa (244 m, Michigan) |
0 |
|
| Kingston Arpt (Man) (93 m, Ontário) |
2 |
|
| Orlando Executive Airport (34 m, Flórida) |
0 |
|
| Aransas (8 m, Texas) |
8 |
|
| Napa Aeroporto (10 m, Califórnia) |
2 |
|
| Moncton Aeroporto (71 m, Nova Brunswick) |
8 |
100-200m |
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pensilvânia) |
8 |
1500-2000m |
| Dodge City Regional Airport (790 m, Kansas) |
8 |
50-100m |
| Idaho Falls Regional Airport (1441 m, Idaho) |
0 |
|
| Grant County Airport (1638 m, Novo México) |
0 |
|
| Aeroporto Internacional de Denver (1656 m, Colorado) |
6 |
>2500m |
| Cheyenne Regional Airport (1872 m, Wyoming) |
4 |
>2500m |
| Aeroporto Internacional de Miami (4 m, Flórida) |
4 |
1000-1500m |
| Siskiyou (807 m, Califórnia) |
8 |
|
| Wichita Falls Regional Airport (314 m, Texas) |
4 |
600-1000m |
| Page Aeroporto (1304 m, Arizona) |
0 |
>2500m |
| Bert Mooney Airport (1688 m, Montana) |
6 |
|
| Modesto (30 m, Califórnia) |
4 |
|
| Bella Coola Airport (35 m, Colúmbia Britânica) |
2 |
|
| Toledo Executive Airport (189 m, Ohio) |
0 |
|
| Witham Field (6 m, Flórida) |
4 |
|
| Walla Walla Aeroporto (355 m, Washington) |
6 |
|
| Yuba (19 m, Califórnia) |
6 |
|
| Base da Força Espacial de Vanden (112 m, Califórnia) |
8 |
|
| Gillette (1230 m, Wyoming) |
4 |
|
| Grant County Intl. Airport (364 m, Washington) |
0 |
|
| Denton Enterprise Airport (197 m, Texas) |
2 |
|
| Aeroporto Internacional de Fort Lauderd (7 m, Flórida) |
6 |
|
| Alamogordo (1279 m, Novo México) |
0 |
|
| Westover Metropolitan Airport (75 m, Massachusetts) |
0 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| Cape Cod Gateway Airport (16 m, Massachusetts) |
2 |
|
| Harriman-and-West Airport (201 m, Massachusetts) |
0 |
|
| Norwood Memorial Airport (15 m, Massachusetts) |
0 |
|
| McCall Municipal Airport (1530 m, Idaho) |
2 |
|
| Westfield-Barnes Regional Airport (83 m, Massachusetts) |
0 |
|
| Alpena (211 m, Michigan) |
0 |
>2500m |
| Bishop Intl. Airport (233 m, Michigan) |
0 |
>2500m |
| Aeroporto Internacional de Lansing (266 m, Michigan) |
0 |
>2500m |
| Roscommon (351 m, Michigan) |
0 |
>2500m |
| Ann Arbor Municipal Airport (256 m, Michigan) |
0 |
|
norte - sul