| estações: 2860
|
nebulosidade |
base |
| Jim Kelly Field (736 m, Nebraska) |
8 |
|
| Miami-Opa Locka Executive Airport (3 m, Flórida) |
8 |
|
| Clovis Municipal Airport (1284 m, Novo México) |
8 |
|
| Pampa (989 m, Texas) |
4 |
|
| Rankin Inlet Aeroporto (29 m, Nunavut) |
7 |
1500-2000m |
| Central Nebraska Regional Airport (566 m, Nebraska) |
8 |
200-300m |
| Laughlin/Bullhead Intl. Airport (167 m, Arizona) |
0 |
|
| Pompano Beach Aeroporto (7 m, Flórida) |
8 |
|
| Whale Cove Aeroporto (20 m, Nunavut) |
6 |
|
| Goodland Municipal Airport (1124 m, Kansas) |
8 |
300-600m |
| Schefferville (517 m, Quebec) |
7 |
>2500m |
| Raton Municipal Airport (1935 m, Novo México) |
0 |
|
| Brewster Field Arpt (704 m, Nebraska) |
8 |
|
| Wheeler-Sack Army Airfield (207 m, Nova Iorque) |
6 |
|
| Stanton County Municipal Airport (1013 m, Kansas) |
8 |
|
| Hall Beach (8 m, Califórnia) |
8 |
600-1000m |
| Chautauqua (211 m, Nova Iorque) |
6 |
|
| Penn Yan Airport (275 m, Nova Iorque) |
4 |
|
| Tasiujaq (31 m, Quebec) |
8 |
|
| Hall Beach Airport (7 m, Nunavut) |
8 |
|
| Perryton Aeroporto (889 m, Texas) |
8 |
|
| Melrose Gunnery Range (1326 m, Novo México) |
8 |
|
| Gwinner Aeroporto (386 m, Dakota do Norte) |
8 |
|
| Aeroporto Internacional de Amarillo (1094 m, Texas) |
0 |
>2500m |
| Payson Airport (1572 m, Arizona) |
0 |
|
| Kangiqsualujjuaq Airport (60 m, Quebec) |
8 |
|
| Adak (5 m, Alasca) |
8 |
300-600m |
| Akulivik Aeroporto (9 m, Quebec) |
8 |
|
| Resolute AP (67 m, Nunavut) |
8 |
200-300m |
| Guymon Aeroporto (952 m, Oklahoma) |
8 |
|
| Aurora Municipal Airport (548 m, Nebraska) |
8 |
|
| Port Heiden Aeroporto (29 m, Alasca) |
6 |
>2500m |
| Hastings Municipal Airport (596 m, Nebraska) |
8 |
|
| Broken Bow Municipal Airport (776 m, Nebraska) |
8 |
|
| Hereford Aeroporto (1154 m, Texas) |
0 |
|
| Arviat (10 m, Nunavut) |
0 |
>2500m |
| Base aérea de MacDill (4 m, Flórida) |
8 |
|
| O'Neill Municipal Airport (619 m, Nebraska) |
8 |
|
| Baker Lake Aeroporto (18 m, Nunavut) |
8 |
300-600m |
| Dubois Aeroporto (2224 m, Wyoming) |
8 |
|
| Cape Dorset Aeroporto (50 m, Nunavut) |
8 |
200-300m |
| Cold Bay Aeroporto (31 m, Alasca) |
6 |
1000-1500m |
| Dalhart Municipal Airport (1216 m, Texas) |
8 |
|
| Eureka Aeroporto (11 m, Nunavut) |
7 |
600-1000m |
| Ilhas da Madalena Aeroporto (18 m, Quebec) |
7 |
>2500m |
| Albuquerque Aeroporto (1618 m, Novo México) |
6 |
1500-2000m |
| Inukjuak (25 m, Quebec) |
8 |
50-100m |
| Erie Intl. Airport (225 m, Pensilvânia) |
0 |
>2500m |
| Clines Corner (2160 m, Novo México) |
8 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
8 |
300-600m |
| Roberval Aeroporto (187 m, Quebec) |
7 |
>2500m |
| Columbus Municipal Airport (440 m, Nebraska) |
8 |
|
| Ponca (304 m, Oklahoma) |
6 |
|
| Lea (1114 m, Novo México) |
8 |
|
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
4 |
1000-1500m |
| Cape Parry AP (14 m, Territórios do Noroeste) |
7 |
50-100m |
| Jack Brooks Regional Airport (7 m, Texas) |
6 |
600-1000m |
| Needles Airport (302 m, Califórnia) |
0 |
|
| Imperial (997 m, Nebraska) |
8 |
|
| Miami Executive Airport (3 m, Flórida) |
6 |
|
| Colby Municipal Airport (971 m, Kansas) |
8 |
|
| Gage Airport (667 m, Oklahoma) |
8 |
|
| Patrick Space Force Base (3 m, Flórida) |
4 |
|
| Ord Aeroporto (631 m, Nebraska) |
8 |
|
| Conroe Aeroporto (75 m, Texas) |
4 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
3 |
600-1000m |
| Lytton Aeroporto (225 m, Colúmbia Britânica) |
4 |
|
| Las Cruces Intl. Airport (1358 m, Novo México) |
0 |
|
| Sedona Airport (1471 m, Arizona) |
0 |
|
| Tucumcari Municipal Airport (1234 m, Novo México) |
8 |
|
| Aeroporto Intercontinental George Bush (33 m, Texas) |
8 |
100-200m |
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Plattsburgh Intl. Airport (72 m, Nova Iorque) |
0 |
|
| Sanikiluaq Aeroporto (32 m, Nunavut) |
6 |
|
| Key West Aeroporto (5 m, Flórida) |
6 |
600-1000m |
| Hale County Airport (1028 m, Texas) |
0 |
|
| Greater Rochester Intl. Airport (169 m, Nova Iorque) |
2 |
1500-2000m |
| Allen Army Airfield (391 m, Alasca) |
8 |
600-1000m |
| Clayton Municipal Airpark (1515 m, Novo México) |
8 |
600-1000m |
| Fort Stockton- Pecos County Airport (917 m, Texas) |
0 |
|
| Gainesville Municipal Airport (256 m, Texas) |
8 |
|
| Naval Station Mayport (5 m, Flórida) |
0 |
|
| Homestead Air Reserve Base (2 m, Flórida) |
6 |
|
| Aeroporto de Alert (31 m, Nunavut) |
8 |
|
| Colorado Springs Airport (1881 m, Colorado) |
4 |
|
| Canadian Aeroporto (730 m, Texas) |
4 |
|
| Odessa Aeroporto (902 m, Texas) |
4 |
|
| Sarasota (9 m, Flórida) |
8 |
|
| La Grande Iv (306 m, Califórnia) |
4 |
1000-1500m |
| Hutchinson (931 m, Texas) |
8 |
|
| Naval Air Station Point Mugu (2 m, Califórnia) |
4 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
8 |
|
| Melbourne Orlando Intl. Airport (10 m, Flórida) |
8 |
|
| Saint-Hubert Airport (28 m, Quebec) |
7 |
>2500m |
| Pincher Creek Aeroporto (1190 m, Alberta) |
0 |
>2500m |
| Aeroporto Internacional de Whitehorse E (706 m, Yukon) |
2 |
1000-1500m |
| SwiftCurrent (820 m, Saskatchewan) |
0 |
>2500m |
| Port Fourchon Terminal (2 m, Luisiana) |
4 |
|
| Swift Current Airport (818 m, Saskatchewan) |
0 |
|
| Langley Air Force Base (6 m, Virgínia) |
8 |
|
| Elkhart (1099 m, Kansas) |
8 |
|
| Fort Morgan Aeroporto (1393 m, Colorado) |
0 |
|
| Pincher Creek (1190 m, Alberta) |
0 |
|
| St. Catharines/Niagara District Airport (98 m, Ontário) |
6 |
|
| Lytton (225 m, Colúmbia Britânica) |
4 |
2000-2500m |
| Churchill Airport (29 m, Manitoba) |
8 |
300-600m |
| Kingston Arpt (Man) (93 m, Ontário) |
8 |
|
| Midland Aeroporto (874 m, Texas) |
6 |
300-600m |
| Calhoun County Airport (9 m, Texas) |
0 |
|
| Hill Air Force Base (1459 m, Utah) |
0 |
|
| Adirondack Regional Airport (507 m, Nova Iorque) |
4 |
|
| Massena Intl. Airport (65 m, Nova Iorque) |
4 |
|
| Burlington Intl. Airport (104 m, Vermont) |
6 |
>2500m |
| Ithaca Tompkins Intl. Airport (335 m, Nova Iorque) |
6 |
|
| Niagara Falls Intl. Airport (180 m, Nova Iorque) |
2 |
|
| Las Vegas Municipal Airport (2092 m, Novo México) |
8 |
|
| Alamogordo (1279 m, Novo México) |
0 |
|
| Charleston Aeroporto (5 m, Carolina do Sul) |
2 |
|
| St.Anthony A (32 m, Terra Nova) |
2 |
2000-2500m |
| Denton Enterprise Airport (197 m, Texas) |
6 |
|
| Mercury/Desert Rock (1006 m, Nevada) |
0 |
>2500m |
| Ely Airport (1909 m, Nevada) |
0 |
>2500m |
| York Municipal Airport (509 m, Nebraska) |
8 |
|
| Bowers Airport (527 m, Washington) |
0 |
|
| Fremont Aeroporto (379 m, Nebraska) |
8 |
|
| Tekamah (Asos) (312 m, Nebraska) |
4 |
|
| Lincoln Airport (362 m, Nebraska) |
8 |
300-600m |
| Andrews Aeroporto (967 m, Texas) |
8 |
|
| North Platte Regional Airport (849 m, Nebraska) |
8 |
2000-2500m |
| Billings Logan Intl. Airport (1088 m, Montana) |
6 |
2000-2500m |
| Chandler Regional Airport (300 m, Oklahoma) |
8 |
|
| Hay River Aeroporto (170 m, Territórios do Noroeste) |
8 |
50-100m |
| Barnes Aeroporto (427 m, Dakota do Norte) |
8 |
|
| Huron Aeroporto (393 m, Dakota do Sul) |
8 |
300-600m |
| Norman Wells (78 m, Territórios do Noroeste) |
1 |
>2500m |
| Venice Municipal Airport (6 m, Flórida) |
8 |
|
| Peter O. Knight Airport (2 m, Flórida) |
8 |
|
| Liverpool Bay (102 m, Territórios do Noroeste) |
0 |
>2500m |
| Sydney Aeroporto (72 m, Nova Escócia) |
3 |
>2500m |
| Oelwen (328 m, Iowa) |
2 |
|
| Moorhead Municipal Airport (280 m, Minnesota) |
6 |
|
| Oakes Aeroporto (400 m, Dakota do Norte) |
8 |
|
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Draughon- Miller Central Texas Regional (208 m, Texas) |
8 |
|
| Pierre Regional Airport (528 m, Dakota do Sul) |
8 |
|
| Hallock (250 m, Minnesota) |
8 |
|
| Baudette Intl. Airport (329 m, Minnesota) |
6 |
|
| Boca Raton Airport (4 m, Flórida) |
6 |
|
| Salluit Aeroporto (226 m, Quebec) |
8 |
|
| Port Isabel Airport (5 m, Texas) |
0 |
|
| Houston Southwest Airport (21 m, Texas) |
8 |
|
| Kissimmee Gateway Airport (25 m, Flórida) |
8 |
|
| Holloman AFB (1248 m, Novo México) |
2 |
|
| Sierra Vista Municipal Airport (1421 m, Arizona) |
0 |
|
| Northern Aroostook Regional Airport (301 m, Maine) |
0 |
|
| Aeroporto Internacional de Miami (4 m, Flórida) |
8 |
300-600m |
| Grant County Airport (1638 m, Novo México) |
4 |
|
| Sugar Land Regional Airport (25 m, Texas) |
8 |
|
| Kingman Airport (1033 m, Arizona) |
0 |
>2500m |
| Shuttle Landing Facility (3 m, Flórida) |
4 |
|
| Naval Outlying Landing Field San Nicola (174 m, Califórnia) |
8 |
|
| Truth or Consequences Municipal Airport (1481 m, Novo México) |
6 |
>2500m |
| Gjoa Haven Aeroporto (46 m, Nunavut) |
7 |
100-200m |
| Gander Aeroporto (151 m, Terra Nova) |
6 |
>2500m |
| Cape May Airport (7 m, Nova Jersey) |
8 |
|
| Aeroporto William P. Hobby (14 m, Texas) |
8 |
|
| Destin (7 m, Geórgia) |
0 |
|
| Attawapiskat First Nation Airport (9 m, Ontário) |
7 |
>2500m |
| Aeroporto Internacional de Des Moines (294 m, Iowa) |
6 |
200-300m |
| Millville Executive Airport (25 m, Nova Jersey) |
8 |
|
| Stillwater Regional Airport (300 m, Oklahoma) |
8 |
|
| Mitchell Municipal Airport (397 m, Dakota do Sul) |
8 |
|
| Easterwood Airport (98 m, Texas) |
8 |
|
| Saguache (2385 m, Colorado) |
0 |
|
| Aeroporto Internacional de Palm Beach (6 m, Flórida) |
8 |
300-600m |
| Cartwright Aeroporto (15 m, Terra Nova) |
0 |
>2500m |
| Mobridge Aeroporto (508 m, Dakota do Sul) |
8 |
|
| Monte Washington Aeroporto (1910 m, Nova Hampshire) |
4 |
|
| Waterloo Regional Airport (268 m, Iowa) |
6 |
600-1000m |
| Fosston (388 m, Minnesota) |
8 |
|
| Ottawa Int AP (114 m, Ontário) |
8 |
300-600m |
| Biggs Army Airfield (1204 m, Texas) |
0 |
|
| McKinnon St. Simons (6 m, Geórgia) |
0 |
|
| Fredericton Intl. Airport (31 m, Nova Brunswick) |
0 |
>2500m |
| Nantucket Memorial Airport (13 m, Massachusetts) |
8 |
|
| Moncton Aeroporto (71 m, Nova Brunswick) |
7 |
2000-2500m |
| Wayne Aeroporto (436 m, Nebraska) |
8 |
|
| Wahoo Municipal Airport (373 m, Nebraska) |
8 |
|
| Marshall Town Muni (296 m, Iowa) |
8 |
|
| Winner Regional Airport (619 m, Dakota do Sul) |
8 |
|
| Hebron Aeroporto (447 m, Nebraska) |
8 |
|
| Millard Airport (320 m, Nebraska) |
8 |
|
| La Junta Municipal Airport (1278 m, Colorado) |
8 |
|
| Dixon Aeroporto (1996 m, Wyoming) |
0 |
|
| Powell Aeroporto (1552 m, Wyoming) |
8 |
|
| McKinney National Airport (176 m, Texas) |
8 |
|
| Fort Worth Meacham Intl. Airport (216 m, Texas) |
8 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
0 |
|
| Middlebury State AP (149 m, Vermont) |
4 |
|
| Scholes International Airport at Galves (16 m, Texas) |
0 |
|
| Chan Gurney Municipal Airport (398 m, Dakota do Sul) |
8 |
|
| Kuujjuaq Airport (44 m, Quebec) |
8 |
300-600m |
| Alpine- Casparis Municipal Airport (1376 m, Texas) |
0 |
|
| Space Coast Regional Airport (11 m, Flórida) |
6 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
8 |
|
| Austin Executive Airport (188 m, Texas) |
8 |
|
| Tangier (2 m, Texas) |
8 |
|
| Raleigh (766 m, Virgínia Ocidental) |
0 |
>2500m |
| Matagami (280 m, Califórnia) |
0 |
>2500m |
| Morris Aeroporto (344 m, Minnesota) |
8 |
|
| Makkovik Aeroporto (71 m, Terra Nova) |
6 |
|
| Beatrice Municipal (403 m, Nebraska) |
4 |
|
| Montreal Aeroporto Trudeau (34 m, Quebec) |
6 |
>2500m |
| Sidney Municipal Airport (1312 m, Nebraska) |
0 |
|
| Norfolk Regional Airport (473 m, Nebraska) |
8 |
200-300m |
| Madison (330 m, Minnesota) |
8 |
|
| Treasure Coast Intl. Airport (7 m, Flórida) |
8 |
|
| Northeast Florida Regional Airport (3 m, Flórida) |
0 |
|
| Great Falls Intl. Airport (1116 m, Montana) |
0 |
|
| Shenandoah Muni (296 m, Iowa) |
4 |
|
| Appleton Aeroporto (310 m, Wisconsin) |
8 |
|
| Cut Bank Aeroporto (1169 m, Montana) |
0 |
|
| Shawnee Regional Airport (327 m, Oklahoma) |
8 |
|
| Barstow-Daggett Airport (587 m, Califórnia) |
0 |
|
| Anderson Aeroporto (238 m, Carolina do Sul) |
0 |
|
| Aeroporto Internacional Midway (190 m, Illinois) |
6 |
|
| Sandberg Airport (1379 m, Califórnia) |
0 |
>2500m |
| Creston (394 m, Iowa) |
2 |
|
| Dillon Aeroporto (1597 m, Montana) |
0 |
|
| Elk City Regional Business Airport (610 m, Oklahoma) |
0 |
|
| Aeroporto de Atenas Ben Epps (247 m, Geórgia) |
8 |
100-200m |
| Aeroporto de Yellowknife (206 m, Territórios do Noroeste) |
6 |
>2500m |
| Crookston Municipal Airport (273 m, Minnesota) |
8 |
|
| Naval Air Station Jacksonville (7 m, Flórida) |
0 |
|
| Ada Aeroporto (310 m, Oklahoma) |
8 |
|
| Estação da Força E (3 m, Flórida) |
2 |
|
| Palacios Municipal Airport (5 m, Texas) |
4 |
|
| Charlottetown Aeroporto (79 m, Ilhas do Príncipe Eduardo) |
7 |
>2500m |
| Witham Field (6 m, Flórida) |
8 |
|
| St. Charles (133 m, Missouri) |
0 |
|
| Clarinda (303 m, Iowa) |
6 |
|
| King Salmon Aeroporto (14 m, Alasca) |
4 |
1000-1500m |
| Custer Airport (188 m, Michigan) |
0 |
|
| Fernandina Beach Municipal Airport (5 m, Flórida) |
0 |
|
| New Orleans (NAS) (0 m, Luisiana) |
8 |
|
| Orlando Executive Airport (34 m, Flórida) |
8 |
|
| Winterhaven (44 m, Flórida) |
8 |
|
| Dillingham Aeroporto (29 m, Alasca) |
8 |
1000-1500m |
| Decatur Municipal Airport (319 m, Texas) |
8 |
|
| South Bend Intl. Airport (236 m, Indiana) |
0 |
>2500m |
| Grafton Aeroporto (251 m, Dakota do Norte) |
8 |
|
| Coleman Aeroporto (517 m, Texas) |
0 |
|
| Dodge City Regional Airport (790 m, Kansas) |
8 |
300-600m |
| Aeroporto Internacional de Grand Forks (255 m, Dakota do Norte) |
8 |
|
| Aeroporto Internacional Hector (274 m, Dakota do Norte) |
8 |
1500-2000m |
| Liberal Mid-America Regional Airport (879 m, Kansas) |
8 |
|
| Inuvik (68 m, Territórios do Noroeste) |
4 |
|
| Fort Lauderdale Aeroporto (4 m, Flórida) |
8 |
|
| Midland Airpark Airport (854 m, Texas) |
8 |
|
| Aeroporto Internacional de Dallas/Fort (182 m, Texas) |
8 |
200-300m |
| Halifax Aeroporto (145 m, Nova Escócia) |
4 |
>2500m |
| Peace River Airport (580 m, Alberta) |
7 |
>2500m |
| Great Falls (1131 m, Montana) |
0 |
>2500m |
| Holyoke Aeroporto (1137 m, Colorado) |
8 |
|
| Durant Regional Airport (213 m, Oklahoma) |
8 |
|
| Waukegan National Airport (222 m, Illinois) |
8 |
|
| Block (33 m, Rhode Island) |
8 |
|
| Seminole Aeroporto (1010 m, Texas) |
8 |
|
| North Texas Regional Airport (228 m, Texas) |
8 |
|
| Snyder (741 m, Texas) |
0 |
|
| Hat Isl. (36 m, Nunavut) |
8 |
50-100m |
| Elizabeth City Regional Airport (4 m, Carolina do Norte) |
8 |
|
| Cheyenne County Municipal Airport (1040 m, Kansas) |
8 |
|
| Grand Strand Airport (10 m, Carolina do Sul) |
8 |
|
| Atlantic City Aeroporto (20 m, Nova Jersey) |
8 |
100-200m |
| Grissom AFB (247 m, Indiana) |
0 |
|
| Cattaraugus County-Olean Airport (651 m, Nova Iorque) |
8 |
|
| Decatur (43 m, Geórgia) |
4 |
|
| Ilha de San Clemente Aeroporto (52 m, Califórnia) |
8 |
|
| Fort Chipewyan (232 m, Alberta) |
8 |
1500-2000m |
| São Pedro (24 m, Saint-Pierre e Miquelon) |
3 |
>2500m |
norte - sul