| estações: 2915
|
nebulosidade |
base |
| Churchill Airport (29 m, Manitoba) |
8 |
100-200m |
| Jimmy Lake (636 m, Saskatchewan) |
7 |
600-1000m |
| Ephrata Municipal Airport (383 m, Washington) |
0 |
|
| Ozona Aeroporto (726 m, Texas) |
0 |
|
| Rugby Aeroporto (472 m, Dakota do Norte) |
0 |
|
| Grafton Aeroporto (251 m, Dakota do Norte) |
0 |
|
| Slave Lake (583 m, Alberta) |
8 |
600-1000m |
| Prince Albert Aeroporto (428 m, Saskatchewan) |
7 |
600-1000m |
| Pine Springs (1663 m, Texas) |
0 |
|
| Hat Isl. (36 m, Nunavut) |
8 |
100-200m |
| Arviat (10 m, Nunavut) |
8 |
100-200m |
| Cape Parry AP (14 m, Territórios do Noroeste) |
8 |
100-200m |
| Crosby Aeroporto (594 m, Dakota do Norte) |
0 |
|
| Minot Air Force Base (497 m, Dakota do Norte) |
0 |
|
| Minot Intl. Airport (522 m, Dakota do Norte) |
0 |
|
| Moosonee (9 m, Ontário) |
7 |
>2500m |
| Aeroporto Internacional de Grand Forks (255 m, Dakota do Norte) |
2 |
|
| F. E. Warren Air Force Base (1878 m, Wyoming) |
0 |
|
| Rolla Aeroporto (556 m, Dakota do Norte) |
0 |
|
| Edson (925 m, Alberta) |
0 |
>2500m |
| Florence Aeroporto (1658 m, Colorado) |
4 |
|
| Tioga Aeroporto (684 m, Dakota do Norte) |
0 |
|
| Myrtle Beach Intl. Airport (8 m, Carolina do Sul) |
6 |
|
| Shaw Air Force Base Airport (73 m, Carolina do Sul) |
8 |
|
| SwiftCurrent (820 m, Saskatchewan) |
0 |
>2500m |
| Nain (12 m, Terra Nova) |
2 |
600-1000m |
| Flora (144 m, Illinois) |
8 |
|
| Liverpool Bay (102 m, Territórios do Noroeste) |
8 |
50-100m |
| Sept-Îles Aeroporto (55 m, Quebec) |
6 |
|
| Quonset State Airport (6 m, Rhode Island) |
2 |
|
| Slave Lake Aeroporto (583 m, Alberta) |
8 |
|
| Swift Current Airport (818 m, Saskatchewan) |
0 |
|
| Havre-Saint-Pierre (34 m, Quebec) |
0 |
|
| Lloydminster Airport (669 m, Alberta) |
8 |
600-1000m |
| Moosonee Aeroporto (9 m, Quebec) |
6 |
|
| Edson Airport (925 m, Alberta) |
0 |
|
| Michel-Pouliot Gaspé Airport (35 m, Quebec) |
3 |
>2500m |
| The Pas Airport (270 m, Manitoba) |
8 |
300-600m |
| Omaha/Eppley Field Airport (299 m, Nebraska) |
8 |
|
| Eureka Aeroporto (11 m, Nunavut) |
5 |
300-600m |
| Ft Severn (15 m, Ontário) |
8 |
50-100m |
| Havre-Saint-Pierre (37 m, Quebec) |
0 |
>2500m |
| Davenport Municipal Airport (259 m, Iowa) |
0 |
|
| Custer Airport (188 m, Michigan) |
0 |
|
| Umiujaq (71 m, Quebec) |
8 |
|
| Edmonton Namao (685 m, Alberta) |
8 |
600-1000m |
| Dawson Community Airport (749 m, Montana) |
0 |
|
| Dawson Creek Aeroporto (655 m, Colúmbia Britânica) |
0 |
>2500m |
| Aiken Regional Airport (161 m, Carolina do Sul) |
8 |
|
| Seymour Johnson Air Force Base (33 m, Carolina do Norte) |
6 |
|
| Medicine Hat (717 m, Alberta) |
4 |
>2500m |
| Marine Corps Auxiliary Landing Field Bo (7 m, Carolina do Norte) |
0 |
|
| Gander Aeroporto (151 m, Terra Nova) |
8 |
100-200m |
| Marine Corps Air Station New River (8 m, Carolina do Norte) |
6 |
|
| Artesia Municipal Airport (1081 m, Novo México) |
0 |
|
| Niagara Falls Intl. Airport (180 m, Nova Iorque) |
0 |
|
| Decatur Airport (208 m, Illinois) |
0 |
|
| Rawlins Municipal Airport (2077 m, Wyoming) |
0 |
|
| Bismarck Municipal Airport (505 m, Dakota do Norte) |
0 |
|
| Olney-Noble (147 m, Illinois) |
8 |
|
| Odessa Aeroporto (902 m, Texas) |
0 |
|
| Grand Strand Airport (10 m, Carolina do Sul) |
8 |
|
| Harvey Aeroporto (487 m, Dakota do Norte) |
0 |
|
| St. Catharines/Niagara District Airport (98 m, Ontário) |
8 |
|
| Tekamah (Asos) (312 m, Nebraska) |
8 |
|
| Fort Stockton- Pecos County Airport (917 m, Texas) |
0 |
|
| General William J. Fox Airfield (712 m, Califórnia) |
0 |
|
| Beach Aeroporto (840 m, Dakota do Norte) |
0 |
|
| San Marcos Regional Airport (182 m, Texas) |
0 |
|
| Hamilton Aeroporto (238 m, Ontário) |
7 |
>2500m |
| Grand Forks Air Force Base (276 m, Dakota do Norte) |
0 |
|
| Midland Aeroporto (874 m, Texas) |
0 |
|
| Baie-Comeau Aeroporto (22 m, Quebec) |
8 |
1500-2000m |
| Altoona (458 m, Pensilvânia) |
8 |
|
| Marshfield Municipal Airport (389 m, Wisconsin) |
6 |
|
| Mary's Harbour Aeroporto (12 m, Terra Nova) |
2 |
|
| Aeroporto de Cleveland Burke Lakefront (178 m, Ohio) |
0 |
|
| Mount Carmel Aeroporto (131 m, Illinois) |
8 |
|
| Elkins/Randolph Field Airport (609 m, Virgínia Ocidental) |
0 |
|
| Laurinburg- Maxton Airport (67 m, Carolina do Norte) |
8 |
|
| Frobisher/Iqaluit Airport (34 m, Nunavut) |
6 |
|
| Crawford County Airport (141 m, Illinois) |
4 |
|
| Makkovik Aeroporto (71 m, Terra Nova) |
4 |
|
| Akron- Canton Airport (377 m, Ohio) |
6 |
|
| Atlanta Aeroporto (315 m, Geórgia) |
8 |
|
| Avenger Field (725 m, Texas) |
0 |
|
| Dickinson Theodore Roosevelt Regional A (787 m, Dakota do Norte) |
2 |
|
| Rowley Island (41 m, Nunavut) |
8 |
300-600m |
| Pickle Lake(Man) (386 m, Ontário) |
6 |
|
| Aeroporto Internacional de Orlando (32 m, Flórida) |
6 |
|
| Abingdon (631 m, Virgínia) |
8 |
|
| Devils Lake Regional Airport (443 m, Dakota do Norte) |
0 |
|
| Buffalo Aeroporto (1514 m, Wyoming) |
8 |
|
| Hettinger Municipal Airport (824 m, Dakota do Norte) |
8 |
|
| Jamestown Regional Airport (454 m, Dakota do Norte) |
0 |
|
| Blair Aeroporto (404 m, Nebraska) |
8 |
|
| Attawapiskat First Nation Airport (9 m, Ontário) |
8 |
300-600m |
| Cambridge Bay Airport (23 m, Nunavut) |
8 |
100-200m |
| Taylor (448 m, Wisconsin) |
6 |
|
| Barstow-Daggett Airport (587 m, Califórnia) |
0 |
|
| Taunton Municipal Airport (13 m, Massachusetts) |
0 |
|
| Sidney- Richland Municipal Airport (605 m, Montana) |
4 |
|
| Jack Edwards Airport (5 m, Alabama) |
8 |
|
| Pickle Lake Airport (391 m, Ontário) |
7 |
300-600m |
| Pocatello Regional Airport (1365 m, Idaho) |
2 |
|
| Glen Ullin Aeroporto (634 m, Dakota do Norte) |
0 |
|
| Sudbury Airport (348 m, Ontário) |
4 |
1500-2000m |
| L. M. Clayton Airport (605 m, Montana) |
4 |
|
| Timmins Victor M. Power Airport (295 m, Ontário) |
6 |
1500-2000m |
| Cando Aeroporto (450 m, Dakota do Norte) |
0 |
|
| Waterloo Well Airport (315 m, Ontário) |
2 |
>2500m |
| Miles City Airport (801 m, Montana) |
0 |
|
| Wellsboro Aeroporto (577 m, Pensilvânia) |
0 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Fairfield County Airport (176 m, Carolina do Sul) |
8 |
|
| North Bay (370 m, Ontário) |
0 |
>2500m |
| Gillette (1230 m, Wyoming) |
6 |
|
| Mercer County Regional Airport (553 m, Dakota do Norte) |
0 |
|
| Cold Lake Aeroporto (541 m, Alberta) |
6 |
|
| Stinson Municipal Airport (176 m, Texas) |
0 |
|
| Alpine- Casparis Municipal Airport (1376 m, Texas) |
0 |
|
| Burley Municipal Airport (1267 m, Idaho) |
0 |
|
| Waskaganish Airport (23 m, Quebec) |
6 |
|
| Marine Corps Air Station Cherry Point (11 m, Carolina do Norte) |
6 |
|
| Bolton Field (280 m, Ohio) |
4 |
|
| Englehart Airport (243 m, Ontário) |
2 |
>2500m |
| Chapleau Airport (447 m, Ontário) |
7 |
>2500m |
| Storm Lake Municipal Airport (454 m, Iowa) |
2 |
|
| Sarnia Chris Hadfield Airport (181 m, Ontário) |
7 |
>2500m |
| Sawyer Intl. Airport (372 m, Michigan) |
4 |
|
| Michael J. Smith Field (3 m, Carolina do Norte) |
8 |
|
| Abraham Lincoln Capital Airport (187 m, Illinois) |
8 |
|
| Saguache (2385 m, Colorado) |
0 |
|
| Aeroporto Internacional de Louisville (149 m, Kentucky) |
8 |
600-1000m |
| Aeroporto Regional de Wittman (246 m, Wisconsin) |
0 |
|
| Cheyenne Regional Airport (1872 m, Wyoming) |
0 |
|
| Lynn Lake Airport (354 m, Manitoba) |
8 |
100-200m |
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
4 |
|
| Wayne County Airport (346 m, Ohio) |
0 |
|
| Inukjuak (25 m, Quebec) |
8 |
1000-1500m |
| Aeroporto Internacional Del Rio (314 m, Texas) |
0 |
|
| Carmi Aeroporto (118 m, Illinois) |
8 |
|
| Newton (467 m, Kansas) |
8 |
|
| Red Deer Regional Airport (904 m, Alberta) |
7 |
2000-2500m |
| Luce (265 m, Michigan) |
0 |
|
| Grande Prairie Airport (669 m, Alberta) |
4 |
>2500m |
| Hallock (250 m, Minnesota) |
0 |
|
| Plattsburgh Intl. Airport (72 m, Nova Iorque) |
0 |
|
| Fort St. John Airport (695 m, Colúmbia Britânica) |
5 |
>2500m |
| Aeroporto de Rhinelander-Condado de One (495 m, Wisconsin) |
2 |
|
| Casper (1612 m, Wyoming) |
0 |
|
| Macomb Municipal Airport (216 m, Illinois) |
8 |
|
| Quad Cities Intl. Airport (181 m, Illinois) |
0 |
|
| Aurora Municipal Airport (548 m, Nebraska) |
0 |
|
| McEntire Joint National Guard Base (77 m, Carolina do Sul) |
8 |
|
| Florence Aeroporto (44 m, Carolina do Sul) |
8 |
|
| Barnwell Regional Airport (75 m, Carolina do Sul) |
8 |
|
| Natashquan Airport (11 m, Quebec) |
0 |
>2500m |
| University of Illinois Willard Airport (230 m, Illinois) |
2 |
|
| Santee Cooper Regional Airport (32 m, Carolina do Sul) |
8 |
|
| Sumter Aeroporto (56 m, Carolina do Sul) |
6 |
|
| Cavern City Airport (985 m, Novo México) |
0 |
|
| Lakeland Linder Intl. Airport (1 m, Flórida) |
6 |
|
| Johnstown (696 m, Pensilvânia) |
4 |
|
| Central Illinois Regional Airport (267 m, Illinois) |
4 |
|
| Darlington (59 m, Carolina do Sul) |
8 |
|
| Georgetown Aeroporto (12 m, Carolina do Sul) |
8 |
|
| Kissimmee Gateway Airport (25 m, Flórida) |
8 |
|
| Aeroporto do Central de Wisconsin (389 m, Wisconsin) |
6 |
|
| Mary’s Harbour (11 m, Terra Nova) |
2 |
1000-1500m |
| Albert J. Ellis Airport (29 m, Carolina do Norte) |
8 |
|
| Big Spring Aeroporto (784 m, Texas) |
0 |
|
| Powell Aeroporto (1552 m, Wyoming) |
8 |
|
| London Aeroporto (278 m, Ontário) |
8 |
>2500m |
| Dryden Aeroporto (413 m, Ontário) |
0 |
>2500m |
| Mountain Home Air Force Base (912 m, Idaho) |
0 |
|
| Henderson (117 m, Kentucky) |
8 |
|
| Pangnirtung Aeroporto (23 m, Nunavut) |
8 |
|
| Owensboro (124 m, Kentucky) |
8 |
|
| Corning Aeroporto (89 m, Arkansas) |
8 |
|
| Hartsville Regional Airport (111 m, Carolina do Sul) |
6 |
|
| Aeroporto da capital (245 m, Kentucky) |
6 |
|
| Porto Espacial e Aéreo de Mojave (849 m, Califórnia) |
0 |
|
| Jerome (1233 m, Idaho) |
0 |
|
| New Bedford Regional Airport (23 m, Massachusetts) |
0 |
|
| Oshawa (140 m, Ontário) |
0 |
>2500m |
| Aeroporto Internacional de Cleveland Ho (245 m, Ohio) |
6 |
>2500m |
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| Dalhart Municipal Airport (1216 m, Texas) |
0 |
|
| Offutt AFB (319 m, Nebraska) |
8 |
|
| Taloyoak Aeroporto (28 m, Nunavut) |
7 |
600-1000m |
| Rochelle Municipal Airport (238 m, Illinois) |
0 |
|
| Bremerton Ntnl Arpt (147 m, Washington) |
0 |
|
| Alice Intl. Airport (52 m, Texas) |
0 |
|
| Lancaster County Airport (148 m, Carolina do Sul) |
6 |
|
| Victoria Regional Airport (36 m, Texas) |
0 |
|
| Winterhaven (44 m, Flórida) |
6 |
|
| Bowman Field (167 m, Kentucky) |
4 |
|
| Ely Airport (1909 m, Nevada) |
0 |
|
| Madison Municipal Airport (523 m, Dakota do Sul) |
0 |
|
| Gjoa Haven Aeroporto (46 m, Nunavut) |
8 |
200-300m |
| Grant County Airport (1638 m, Novo México) |
0 |
|
| Langlade (464 m, Wisconsin) |
8 |
|
| Aeroporto Internacional de San Antonio (242 m, Texas) |
4 |
300-600m |
| Daviess County Airport (144 m, Indiana) |
8 |
|
| Resolute AP (67 m, Nunavut) |
8 |
1000-1500m |
| Puvirnituq (23 m, Quebec) |
6 |
|
| Jackson Municipal Airport (441 m, Minnesota) |
6 |
|
| Blue Grass Airport (301 m, Kentucky) |
6 |
|
| Augusta Aeroporto (405 m, Kansas) |
8 |
|
| Saint John's Airport (135 m, Terra Nova) |
8 |
50-100m |
| Aeroporto Regional do Condado de Dane (264 m, Wisconsin) |
6 |
|
| Mont-Joli Aeroporto (54 m, Quebec) |
7 |
1500-2000m |
| Marshall Army Airfield (324 m, Kansas) |
6 |
|
| Arnold Palmer Regional Airport (361 m, Pensilvânia) |
0 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
0 |
|
| Aeroporto Internacional Austin Straubel (209 m, Wisconsin) |
0 |
>2500m |
| Broken Bow Municipal Airport (776 m, Nebraska) |
0 |
|
| Abilene Aeroporto (546 m, Texas) |
0 |
|
| Hope Aerodrome (39 m, Colúmbia Britânica) |
0 |
>2500m |
| Marion Aeroporto (28 m, Carolina do Sul) |
8 |
|
| Mercer County Airport (871 m, Virgínia Ocidental) |
8 |
|
| Lee Gilmer Memorial Airport (389 m, Geórgia) |
8 |
|
| Pompano Beach Aeroporto (7 m, Flórida) |
2 |
|
| Atlantic City Aeroporto (20 m, Nova Jersey) |
0 |
|
| Fort Mcmurray (369 m, Califórnia) |
8 |
300-600m |
| Stevens Point Aeroporto (338 m, Wisconsin) |
4 |
|
| Berkeley County Airport (22 m, Carolina do Sul) |
8 |
|
| Peter O. Knight Airport (2 m, Flórida) |
8 |
|
| Cape Dorset Aeroporto (50 m, Nunavut) |
8 |
200-300m |
| Thompson Aeroporto (216 m, Manitoba) |
8 |
100-200m |
| Piedmont Triad Intl. Airport (277 m, Carolina do Norte) |
8 |
300-600m |
| Aeroporto Internacional do Sudoeste da (9 m, Flórida) |
6 |
|
| Sable Island (1 m, Nova Escócia) |
8 |
50-100m |
| Rankin Inlet Aeroporto (29 m, Nunavut) |
1 |
100-200m |
| Daniel Field (129 m, Geórgia) |
8 |
|
| Ogoki Post Airport (181 m, Ontário) |
8 |
600-1000m |
| Cobb (317 m, Geórgia) |
8 |
|
| Burlington Intl. Airport (104 m, Vermont) |
2 |
1500-2000m |
| Garden (878 m, Kansas) |
0 |
|
| Vermilion Regional Airport (212 m, Illinois) |
4 |
|
| DeKalb Aeroporto (279 m, Illinois) |
0 |
|
| Cartersville Airport (229 m, Geórgia) |
8 |
|
| Yarmouth Airport (46 m, Nova Escócia) |
8 |
200-300m |
| Mount Pleasant Regional Airport (4 m, Carolina do Sul) |
6 |
|
| Pelly Bay Airport (15 m, Nunavut) |
8 |
|
| CFB Bagotville (159 m, Quebec) |
4 |
|
| Spencer Aeroporto (408 m, Iowa) |
8 |
|
| Newberry County Airport (173 m, Carolina do Sul) |
8 |
|
| Kinston Regional Jetport (29 m, Carolina do Norte) |
6 |
|
| Estherville Muni (401 m, Iowa) |
8 |
|
norte - sul