| estações: 2835
|
nebulosidade |
base |
| Moncton Aeroporto (71 m, Nova Brunswick) |
7 |
600-1000m |
| Saglek Bay (501 m, Califórnia) |
8 |
300-600m |
| Craig (1915 m, Colorado) |
2 |
1000-1500m |
| Caldwell Aeroporto (119 m, Texas) |
6 |
|
| Taos Aeroporto (2161 m, Novo México) |
4 |
|
| Raton Municipal Airport (1935 m, Novo México) |
0 |
|
| Tucumcari Municipal Airport (1234 m, Novo México) |
0 |
|
| Sierra Blanca Regional Airport (2076 m, Novo México) |
6 |
|
| São Pedro (24 m, Saint-Pierre e Miquelon) |
8 |
200-300m |
| Springfield- Branson National Airport (390 m, Missouri) |
8 |
|
| San Angelo Regional Airport (582 m, Texas) |
0 |
|
| Saint John Aeroporto (111 m, Nova Brunswick) |
6 |
600-1000m |
| St. Johns Industrial Air Park (1747 m, Arizona) |
0 |
|
| Dodge City Regional Airport (790 m, Kansas) |
8 |
50-100m |
| Cameron Aeroporto (123 m, Texas) |
8 |
|
| Elkhart (1099 m, Kansas) |
4 |
|
| Provincetown Aeroporto (2 m, Massachusetts) |
0 |
|
| Madison Municipal Airport (523 m, Dakota do Sul) |
8 |
|
| Stanton County Municipal Airport (1013 m, Kansas) |
4 |
|
| Coulter Field Airport (112 m, Texas) |
8 |
|
| Draughon- Miller Central Texas Regional (208 m, Texas) |
8 |
|
| Dickinson Theodore Roosevelt Regional A (787 m, Dakota do Norte) |
8 |
|
| Henderson Executive Airport (749 m, Nevada) |
0 |
|
| Puvirnituq (23 m, Quebec) |
6 |
|
| Avenger Field (725 m, Texas) |
0 |
|
| Dalhart Municipal Airport (1216 m, Texas) |
8 |
|
| Nashua Airport (61 m, Nova Hampshire) |
0 |
|
| Limon Aeroporto (1635 m, Colorado) |
0 |
|
| La Junta Municipal Airport (1278 m, Colorado) |
0 |
|
| Deer Lake Aeroporto (29 m, Terra Nova) |
8 |
300-600m |
| Easterwood Airport (98 m, Texas) |
8 |
|
| Goose (49 m, Terra Nova) |
8 |
|
| Churchill Airport (29 m, Manitoba) |
2 |
|
| Clarion Municipal Airport (354 m, Iowa) |
8 |
|
| Ilhas da Madalena Aeroporto (18 m, Quebec) |
8 |
200-300m |
| Tyler Pounds Regional Airport (166 m, Texas) |
8 |
|
| Branson West Airport (411 m, Missouri) |
8 |
|
| C. David Campbell Field (136 m, Texas) |
8 |
|
| Dawson Community Airport (749 m, Montana) |
8 |
|
| Baker Municipal Airport (902 m, Montana) |
8 |
|
| Alpine- Casparis Municipal Airport (1376 m, Texas) |
0 |
|
| Arlington Aeroporto (192 m, Texas) |
8 |
|
| Terrell Municipal Airport (144 m, Texas) |
8 |
|
| York Municipal Airport (509 m, Nebraska) |
8 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
8 |
|
| San Marcos Regional Airport (182 m, Texas) |
8 |
|
| Vernal Regional Airport (1608 m, Utah) |
8 |
|
| North Platte Regional Airport (849 m, Nebraska) |
8 |
100-200m |
| Concord Municipal Airport (105 m, Nova Hampshire) |
0 |
>2500m |
| Grant County Airport (1638 m, Novo México) |
8 |
|
| Aeroporto Internacional de Whitehorse E (706 m, Yukon) |
8 |
>2500m |
| Aeroporto Internacional de Denver (1656 m, Colorado) |
não identificável |
50-100m |
| Mesquite Metro Airport (136 m, Texas) |
8 |
|
| Aurora Municipal Airport (548 m, Nebraska) |
8 |
|
| Dubuque Regional Airport (329 m, Iowa) |
8 |
|
| Bisbee Douglas Intl. Airport (1249 m, Arizona) |
4 |
|
| Deming Municipal Airport (1313 m, Novo México) |
2 |
|
| Kearney Regional Airport (649 m, Nebraska) |
8 |
|
| Spencer Aeroporto (408 m, Iowa) |
8 |
|
| Estherville Muni (401 m, Iowa) |
8 |
|
| Sky Harbor Airport & Seaplane Base (186 m, Minnesota) |
8 |
|
| Le Mars Municipal Airport (365 m, Iowa) |
8 |
|
| Black Hills Airport (1188 m, Dakota do Sul) |
8 |
|
| Mobridge Aeroporto (508 m, Dakota do Sul) |
8 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
0 |
|
| Cortez Municipal Airport (1803 m, Colorado) |
8 |
|
| Big Spring Aeroporto (784 m, Texas) |
0 |
|
| Clinton Municipal Airport (216 m, Iowa) |
8 |
|
| Saglek Bay Airport (483 m, Terra Nova) |
8 |
|
| Blair Aeroporto (404 m, Nebraska) |
8 |
|
| Aeroporto Internacional Logan (9 m, Massachusetts) |
4 |
>2500m |
| Sept-Îles Aeroporto (55 m, Quebec) |
8 |
|
| Powell Aeroporto (1552 m, Wyoming) |
8 |
|
| Rexburg (1481 m, Idaho) |
8 |
|
| Quonset State Airport (6 m, Rhode Island) |
0 |
|
| La Veta Pass (3114 m, Colorado) |
8 |
|
| Pocono Mountains Municipal Airport (584 m, Pensilvânia) |
8 |
|
| Houlton Intl. Airport (150 m, Maine) |
8 |
|
| Bangor Intl. Airport (56 m, Maine) |
0 |
|
| La Grande/Union County Airport (826 m, Oregon) |
4 |
|
| Idaho Falls Regional Airport (1441 m, Idaho) |
8 |
|
| Aeroporto Internacional de Austin-Bergs (189 m, Texas) |
8 |
|
| Rowley Island (41 m, Nunavut) |
8 |
50-100m |
| Perot Field Fort Worth Alliance Airport (220 m, Texas) |
8 |
|
| Georgetown Municipal Airport (240 m, Texas) |
8 |
|
| Moore County Airport (1129 m, Texas) |
6 |
|
| Kerrville Municipal Airport (493 m, Texas) |
8 |
|
| Pocatello Regional Airport (1365 m, Idaho) |
8 |
|
| Omak Airport (382 m, Washington) |
0 |
|
| Sioux Gateway Airport (336 m, Iowa) |
8 |
|
| Oakes Aeroporto (400 m, Dakota do Norte) |
8 |
|
| Hamilton Municipal Airport (396 m, Texas) |
8 |
|
| Durango (2038 m, Colorado) |
6 |
|
| Cheyenne County Municipal Airport (1040 m, Kansas) |
8 |
|
| Colby Municipal Airport (971 m, Kansas) |
8 |
|
| Hanksville Airport (1355 m, Utah) |
0 |
|
| Pecos Municipal Airport (796 m, Texas) |
0 |
|
| Cape Parry AP (14 m, Territórios do Noroeste) |
8 |
100-200m |
| Liberal Mid-America Regional Airport (879 m, Kansas) |
6 |
|
| Aeroporto Internacional de San Antonio (242 m, Texas) |
8 |
200-300m |
| Junction Aeroporto (522 m, Texas) |
8 |
|
| Drake Field (381 m, Arkansas) |
8 |
|
| Manhattan (48 m, Nova Iorque) |
0 |
>2500m |
| Fort Carson (1789 m, Colorado) |
0 |
|
| Pine Springs (1663 m, Texas) |
0 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
8 |
|
| Iowa Falls Aeroporto (347 m, Iowa) |
8 |
|
| Estevan Aeroporto (584 m, Saskatchewan) |
8 |
100-200m |
| Ralph Wenz Field (2160 m, Wyoming) |
8 |
|
| Manchester (71 m, Nova Hampshire) |
6 |
|
| Broken Bow Municipal Airport (776 m, Nebraska) |
8 |
|
| Miles City Airport (801 m, Montana) |
8 |
|
| Storm Lake Municipal Airport (454 m, Iowa) |
8 |
|
| Rawlins Municipal Airport (2077 m, Wyoming) |
8 |
|
| Fredericton Intl. Airport (31 m, Nova Brunswick) |
2 |
600-1000m |
| Muscatine Municipal Airport (167 m, Iowa) |
8 |
|
| Show Low Regional Airport (1954 m, Arizona) |
8 |
|
| Boone Aeroporto (354 m, Iowa) |
8 |
|
| Pratt Regional Airport (595 m, Kansas) |
8 |
|
| Port Isabel Airport (5 m, Texas) |
8 |
|
| Searle Field Airport (999 m, Nebraska) |
8 |
|
| Webster City (342 m, Iowa) |
8 |
|
| Evanston Aeroporto (2177 m, Wyoming) |
8 |
|
| Eureka Aeroporto (11 m, Nunavut) |
8 |
2000-2500m |
| Aeroporto MacArthur de Long (30 m, Nova Iorque) |
8 |
|
| Russell Aeroporto (566 m, Kansas) |
8 |
|
| Ilha de San Clemente Aeroporto (52 m, Califórnia) |
8 |
|
| Creston (394 m, Iowa) |
8 |
|
| Brookings Regional Airport (502 m, Dakota do Sul) |
8 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
8 |
|
| Aeroporto Intercontinental George Bush (33 m, Texas) |
8 |
|
| Keokuk Municipal Airport (205 m, Iowa) |
8 |
|
| Southeast Iowa Regional Airport (210 m, Iowa) |
8 |
|
| Washington (230 m, Iowa) |
8 |
|
| Hays Regional Airport (609 m, Kansas) |
8 |
|
| Conroe Aeroporto (75 m, Texas) |
8 |
|
| Clyde AP (27 m, Nunavut) |
7 |
1000-1500m |
| Abilene Aeroporto (546 m, Texas) |
0 |
|
| Eastern Iowa Airport (256 m, Iowa) |
8 |
|
| Davenport Municipal Airport (259 m, Iowa) |
8 |
|
| Gunnison (2339 m, Colorado) |
0 |
|
| Mason (363 m, Iowa) |
8 |
|
| Wahoo Municipal Airport (373 m, Nebraska) |
8 |
|
| Athens Aeroporto (135 m, Texas) |
8 |
|
| Wharton Regional Airport (31 m, Texas) |
8 |
|
| Driggs Aeroporto (1898 m, Idaho) |
8 |
|
| Telluride Regional Airport (2769 m, Colorado) |
8 |
|
| Gjoa Haven Aeroporto (46 m, Nunavut) |
7 |
1000-1500m |
| Pierre Regional Airport (528 m, Dakota do Sul) |
8 |
|
| Huron Aeroporto (393 m, Dakota do Sul) |
8 |
300-600m |
| Aeroporto Regional de Sioux Falls (435 m, Dakota do Sul) |
8 |
|
| Aberdeen Aeroporto (397 m, Dakota do Sul) |
8 |
|
| Two Harbors (328 m, Minnesota) |
8 |
|
| Meadow Lake Airport (2095 m, Colorado) |
0 |
|
| Aeroporto Internacional de Dallas/Fort (182 m, Texas) |
8 |
200-300m |
| Jerome (1233 m, Idaho) |
0 |
|
| Corpus Christi Intl. Airport (15 m, Texas) |
6 |
|
| Delta (1583 m, Colorado) |
8 |
|
| Burley Municipal Airport (1267 m, Idaho) |
8 |
|
| Portland- Troutdale Airport (11 m, Oregon) |
0 |
|
| Montevideo (Awos) (315 m, Minnesota) |
8 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
8 |
|
| Brownsville/South Padre (8 m, Texas) |
8 |
|
| Dyess Air Force Base (545 m, Texas) |
2 |
|
| Auburn/Lewiston Municipal Airport (88 m, Maine) |
0 |
|
| Guymon Aeroporto (952 m, Oklahoma) |
6 |
|
| Dallas Executive Airport (201 m, Texas) |
8 |
|
| Alice Intl. Airport (52 m, Texas) |
8 |
|
| Kugluktuk Aeroporto (23 m, Nunavut) |
8 |
300-600m |
| Victoria Regional Airport (36 m, Texas) |
2 |
|
| Aeroporto Internacional de Amarillo (1094 m, Texas) |
8 |
100-200m |
| Gwinner Aeroporto (386 m, Dakota do Norte) |
8 |
|
| Glenwood (Asos) (425 m, Minnesota) |
8 |
|
| Gonzales Aeroporto (108 m, Texas) |
8 |
|
| Prairie du Chien Municipal Airport (201 m, Wisconsin) |
8 |
|
| Majors Airport (163 m, Texas) |
8 |
|
| Delta Aeroporto (1451 m, Utah) |
6 |
|
| Sulphur Springs Municipal Airport (149 m, Texas) |
8 |
|
| H.A. Clark Memorial Field (2036 m, Arizona) |
8 |
|
| Savanna Aeroporto (188 m, Illinois) |
8 |
|
| Blosser Municipal Airport (452 m, Kansas) |
8 |
|
| Cleburne Aeroporto (260 m, Texas) |
8 |
|
| Offutt AFB (319 m, Nebraska) |
8 |
|
| Skylark Field (258 m, Texas) |
8 |
|
| Aeroporto Internacional de Lambert (172 m, Missouri) |
8 |
|
| Morrisville- Stowe State Airport (223 m, Vermont) |
8 |
|
| Smith Field (364 m, Arkansas) |
8 |
|
| Glasgow Aeroporto (693 m, Montana) |
8 |
|
| Glen Ullin Aeroporto (634 m, Dakota do Norte) |
8 |
|
| Hearne Municipal Airport (87 m, Texas) |
6 |
|
| Springdale Municipal Airport (412 m, Arkansas) |
8 |
|
| Jefferson (167 m, Missouri) |
8 |
|
| Saguache (2385 m, Colorado) |
0 |
|
| Marfa Municipal Airport (1473 m, Texas) |
0 |
|
| Sonora Aeroporto (652 m, Texas) |
8 |
|
| Omaha/Eppley Field Airport (299 m, Nebraska) |
8 |
|
| Truth or Consequences Municipal Airport (1481 m, Novo México) |
0 |
|
| Rockford Aeroporto (226 m, Illinois) |
8 |
|
| Mitchell Municipal Airport (397 m, Dakota do Sul) |
8 |
|
| Lincoln Airport (362 m, Nebraska) |
8 |
|
| Milford Municipal (1536 m, Utah) |
6 |
1500-2000m |
| Naval Auxiliary Landing Field Orange Gr (78 m, Texas) |
6 |
|
| Cannon AFB (1309 m, Novo México) |
8 |
|
| Santa Fe Regional Airport (1933 m, Novo México) |
0 |
|
| Grand Prairie Municipal Airport (180 m, Texas) |
6 |
|
| Northwest Arkansas National Airport (392 m, Arkansas) |
8 |
|
| Miller Field Airport (792 m, Nebraska) |
8 |
|
| Crosby Aeroporto (594 m, Dakota do Norte) |
8 |
|
| Moriarty Aeroporto (1889 m, Novo México) |
0 |
|
| Central Nebraska Regional Airport (566 m, Nebraska) |
8 |
|
| Norfolk Regional Airport (473 m, Nebraska) |
8 |
|
| Winner Regional Airport (619 m, Dakota do Sul) |
8 |
|
| Duluth Aeroporto (432 m, Minnesota) |
8 |
|
| Ozona Aeroporto (726 m, Texas) |
8 |
|
| Hastings Municipal Airport (596 m, Nebraska) |
8 |
|
| Halifax Aeroporto (145 m, Nova Escócia) |
8 |
300-600m |
| Dewar Lakes Airport (488 m, Nunavut) |
8 |
50-100m |
| Dodge Center Airport (398 m, Minnesota) |
8 |
|
| Colorado Air and Space Port (1680 m, Colorado) |
8 |
|
| Owatonna (Awos) (350 m, Minnesota) |
4 |
|
| Fredericksburg (517 m, Texas) |
8 |
|
| Midlothian Aeroporto (217 m, Texas) |
8 |
|
| Kirksville Regional Airport (294 m, Missouri) |
8 |
|
| Reno (1341 m, Nevada) |
4 |
|
| Nacogdoches (108 m, Texas) |
8 |
|
| Schefferville (517 m, Quebec) |
8 |
300-600m |
| Lago Vista Aeroporto (375 m, Texas) |
8 |
|
| Sherbrooke Airport (242 m, Quebec) |
8 |
300-600m |
| Stinson Municipal Airport (176 m, Texas) |
8 |
|
| Alexandria Municipal Airport (432 m, Minnesota) |
8 |
|
| Redwood Falls Muni (312 m, Minnesota) |
8 |
|
| Cleveland Aeroporto (43 m, Mississippi) |
0 |
|
| Knox County Regional Airport (17 m, Maine) |
0 |
|
| Burns Municipal Airport (1271 m, Oregon) |
6 |
|
| Gander Aeroporto (151 m, Terra Nova) |
2 |
50-100m |
| Lawrence Municipal Airport (45 m, Maine) |
0 |
|
| Pipestone Municipal Airport (529 m, Minnesota) |
4 |
|
| Freeport Aeroporto (262 m, Illinois) |
8 |
|
| Fort Stockton- Pecos County Airport (917 m, Texas) |
0 |
|
| Colorado City (1486 m, Arizona) |
8 |
|
| Houston Executive Airport (51 m, Texas) |
8 |
|
| Hutchinson (931 m, Texas) |
8 |
|
| Aeroporto Memorial Sikorsky (5 m, Connecticut) |
0 |
|
| Fort Worth Spinks Airport (233 m, Texas) |
8 |
|
| Gagetown Awos A (51 m, Nova Brunswick) |
7 |
600-1000m |
| Base Aérea Naval de Fort Worth (198 m, Texas) |
8 |
|
| Rockwall Aeroporto (175 m, Texas) |
8 |
|
| Barstow-Daggett Airport (587 m, Califórnia) |
4 |
|
| Groton (3 m, Connecticut) |
0 |
|
| Jamestown Regional Airport (454 m, Dakota do Norte) |
8 |
|
| Hutchinson Municipal Airport (462 m, Kansas) |
8 |
|
| Harlan Aeroporto (375 m, Iowa) |
8 |
|
| Grinnell Aeroporto (307 m, Iowa) |
8 |
|
| Burnet Municipal Airport (391 m, Texas) |
8 |
|
| Churchill Falls (440 m, Califórnia) |
8 |
300-600m |
| Philip Aeroporto (673 m, Dakota do Sul) |
8 |
|
| Devils Lake Regional Airport (443 m, Dakota do Norte) |
8 |
|
| Jackson Hole Airport (1964 m, Wyoming) |
8 |
|
| Illinois Valley Regional Airport (199 m, Illinois) |
8 |
|
| South Big Horn Co Arpt (1201 m, Wyoming) |
8 |
|
| Worland Municipal Airport (1294 m, Wyoming) |
8 |
|
| Riverton Aeroporto (1684 m, Wyoming) |
8 |
|
| Pampa (989 m, Texas) |
8 |
|
| Los Alamos Aeroporto (2186 m, Novo México) |
6 |
|
| Torrington Aeroporto (1281 m, Wyoming) |
8 |
|
| Lamoni (342 m, Iowa) |
8 |
|
| Waseca Municipal Airport (343 m, Minnesota) |
8 |
|
| Rugby Aeroporto (472 m, Dakota do Norte) |
8 |
|
| Valley Intl. Airport (10 m, Texas) |
8 |
|
| McKinney National Airport (176 m, Texas) |
8 |
|
| Rocksprings Aeroporto (723 m, Texas) |
8 |
|
| McAllen Miller Intl. Airport (33 m, Texas) |
8 |
|
| Aeroporto Internacional John F. Kennedy (7 m, Nova Iorque) |
8 |
>2500m |
| Columbus Municipal Airport (440 m, Nebraska) |
8 |
|
| Oelwen (328 m, Iowa) |
8 |
|
| Tweed New Haven Airport (4 m, Connecticut) |
0 |
|
| Aeroporto William P. Hobby (14 m, Texas) |
8 |
|
| Quincy Regional Airport (232 m, Illinois) |
8 |
|
| Fort Madison (221 m, Iowa) |
8 |
|
| Melrose Gunnery Range (1326 m, Novo México) |
0 |
|
| North Bay (370 m, Ontário) |
8 |
200-300m |
| Elbow Lake (367 m, Minnesota) |
8 |
|
| Fitchburg Municipal Airport (106 m, Massachusetts) |
0 |
|
| Castroville Aeroporto (235 m, Texas) |
8 |
|
| Cambridge Bay Airport (23 m, Nunavut) |
2 |
600-1000m |
| Casper (1612 m, Wyoming) |
8 |
|
| Baie-Comeau Aeroporto (22 m, Quebec) |
7 |
2000-2500m |
| Aeroporto Municipal de Platteville (312 m, Wisconsin) |
8 |
|
| Brewster Field Arpt (704 m, Nebraska) |
8 |
|
| Aeroporto Internacional de El Paso (1194 m, Texas) |
8 |
600-1000m |
| Del Norte Aeroporto (2425 m, Colorado) |
6 |
|
| North Las Vegas Airport (671 m, Nevada) |
0 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
8 |
|
| Chester Airport (127 m, Connecticut) |
0 |
|
| Naval Air Station Kingsville Airport (17 m, Texas) |
8 |
|
| Florida Keys Marathon Airport (2 m, Flórida) |
0 |
|
| Presidio Aeroporto (896 m, Texas) |
0 |
|
| Morris Aeroporto (344 m, Minnesota) |
4 |
|
| Curtis Field (557 m, Texas) |
8 |
|
| Fergus Falls Municipal Airport (361 m, Minnesota) |
8 |
|
| Jacksonville Aeroporto (190 m, Illinois) |
8 |
|
| Rock Falls Aeroporto (197 m, Illinois) |
8 |
|
| Abraham Lincoln Capital Airport (187 m, Illinois) |
8 |
|
| Worthington (480 m, Minnesota) |
8 |
|
| North Texas Regional Airport (228 m, Texas) |
8 |
|
| Rusk County Airport (135 m, Texas) |
8 |
|
| Rapid City Aeroporto (965 m, Dakota do Sul) |
8 |
100-200m |
| Orange Aeroporto (164 m, Massachusetts) |
0 |
|
norte - sul