| estações: 1904
|
nebulosidade |
base |
| Eareckson Air Station (31 m, Alasca) |
8 |
100-200m |
| Leh AFS (3513 m, Indiana) |
8 |
600-1000m |
| Saint John's Airport (135 m, Terra Nova) |
6 |
2000-2500m |
| Gander Aeroporto (151 m, Terra Nova) |
6 |
2000-2500m |
| Mary’s Harbour (11 m, Terra Nova) |
7 |
>2500m |
| Mary's Harbour Aeroporto (12 m, Terra Nova) |
6 |
|
| St.Anthony A (32 m, Terra Nova) |
7 |
2000-2500m |
| Cartwright Aeroporto (15 m, Terra Nova) |
8 |
1500-2000m |
| Blanc-Sablon Airport (32 m, Quebec) |
1 |
>2500m |
| Deer Lake Aeroporto (29 m, Terra Nova) |
2 |
1500-2000m |
| Stephenville Intl. Airport (9 m, Terra Nova) |
0 |
>2500m |
| Sydney Aeroporto (72 m, Nova Escócia) |
3 |
>2500m |
| Goose (49 m, Terra Nova) |
6 |
1000-1500m |
| Port Hawkesbury Aeroporto (114 m, Nova Escócia) |
8 |
>2500m |
| Natashquan Airport (11 m, Quebec) |
0 |
>2500m |
| Ilhas da Madalena Aeroporto (18 m, Quebec) |
0 |
0-50m |
| Charlottetown Aeroporto (79 m, Ilhas do Príncipe Eduardo) |
6 |
>2500m |
| Halifax Aeroporto (145 m, Nova Escócia) |
7 |
>2500m |
| Havre-Saint-Pierre (37 m, Quebec) |
0 |
>2500m |
| Havre-Saint-Pierre (34 m, Quebec) |
0 |
|
| Qikiqtarjuaq (6 m, Nunavut) |
8 |
1000-1500m |
| Churchill Falls Airport (435 m, Terra Nova) |
2 |
|
| Churchill Falls (440 m, Califórnia) |
2 |
1500-2000m |
| Michel-Pouliot Gaspé Airport (35 m, Quebec) |
6 |
1500-2000m |
| Moncton Aeroporto (71 m, Nova Brunswick) |
7 |
1000-1500m |
| Greenwood (28 m, Nova Escócia) |
7 |
>2500m |
| Miramichi AP (31 m, Colúmbia Britânica) |
0 |
|
| Beresford Airport (59 m, Nova Brunswick) |
0 |
>2500m |
| Bathurst Arpt(Awrs) (59 m, Nova Brunswick) |
0 |
|
| Saint John Aeroporto (111 m, Nova Brunswick) |
7 |
>2500m |
| Yarmouth Airport (46 m, Nova Escócia) |
8 |
>2500m |
| Sept-Îles Aeroporto (55 m, Quebec) |
6 |
|
| Fredericton Intl. Airport (31 m, Nova Brunswick) |
4 |
>2500m |
| Schefferville (517 m, Quebec) |
7 |
1500-2000m |
| Wabush Aeroporto (551 m, Terra Nova) |
8 |
>2500m |
| Caribou Aeroporto (191 m, Maine) |
0 |
>2500m |
| Baie-Comeau Aeroporto (22 m, Quebec) |
0 |
>2500m |
| Mont-Joli Aeroporto (54 m, Quebec) |
4 |
1000-1500m |
| Kuujjuaq Airport (44 m, Quebec) |
8 |
600-1000m |
| Clyde AP (27 m, Nunavut) |
8 |
1000-1500m |
| Frobisher/Iqaluit Airport (34 m, Nunavut) |
8 |
|
| Aeroporto Internacional de Portland (19 m, Maine) |
8 |
1500-2000m |
| New Bedford Regional Airport (23 m, Massachusetts) |
8 |
|
| CFB Bagotville (159 m, Quebec) |
7 |
>2500m |
| Aeroporto Internacional Logan (9 m, Massachusetts) |
8 |
1000-1500m |
| Taunton Municipal Airport (13 m, Massachusetts) |
6 |
|
| Newport State Airport (52 m, Rhode Island) |
8 |
|
| Monte Washington Aeroporto (1910 m, Nova Hampshire) |
não identificável |
|
| Aeroporto Internacional Rhode (19 m, Rhode Island) |
8 |
300-600m |
| Concord Municipal Airport (105 m, Nova Hampshire) |
8 |
1000-1500m |
| North Central State Airport (134 m, Rhode Island) |
8 |
|
| Plymouth Airport (158 m, Nova Hampshire) |
8 |
|
| Fitchburg Municipal Airport (106 m, Massachusetts) |
8 |
|
| Westerly State Airport (25 m, Rhode Island) |
6 |
|
| Worcester Aeroporto (308 m, Massachusetts) |
6 |
|
| Sherbrooke Airport (242 m, Quebec) |
4 |
>2500m |
| Caledonia County Airport (362 m, Vermont) |
8 |
|
| Northeast Kingdom Intl. Airport (284 m, Vermont) |
8 |
|
| Roberval Aeroporto (187 m, Quebec) |
7 |
1000-1500m |
| Dillant (149 m, Nova Hampshire) |
8 |
|
| Chester Airport (127 m, Connecticut) |
4 |
|
| Morrisville- Stowe State Airport (223 m, Vermont) |
8 |
|
| Bradley Intl. Airport (55 m, Connecticut) |
8 |
100-200m |
| Tweed New Haven Airport (4 m, Connecticut) |
8 |
|
| Aeroporto Memorial Sikorsky (5 m, Connecticut) |
8 |
600-1000m |
| Burlington Intl. Airport (104 m, Vermont) |
8 |
1000-1500m |
| Saint-Hubert Airport (28 m, Quebec) |
7 |
>2500m |
| Floyd Bennett Memorial Airport (100 m, Nova Iorque) |
8 |
|
| La Grande Iv (306 m, Califórnia) |
8 |
1500-2000m |
| Westchester (121 m, Nova Iorque) |
6 |
|
| Montreal Aeroporto Trudeau (34 m, Quebec) |
8 |
2000-2500m |
| Aeroporto Internacional John F. Kennedy (7 m, Nova Iorque) |
6 |
300-600m |
| Albany Aeroporto (89 m, Nova Iorque) |
6 |
300-600m |
| Aeroporto LaGuardia (9 m, Nova Iorque) |
6 |
1000-1500m |
| Mirabel Aeroporto (82 m, Quebec) |
6 |
|
| Aeroporto Internacional de Newark (9 m, Nova Jersey) |
6 |
1500-2000m |
| Linden Airport (7 m, Nova Jersey) |
4 |
|
| Lakehurst Airport (24 m, Nova Jersey) |
0 |
|
| Lakehurst Maxfield Field (31 m, Nova Jersey) |
0 |
|
| Chibougamau-Chapais Airport (387 m, Quebec) |
6 |
|
| Atlantic City Aeroporto (20 m, Nova Jersey) |
0 |
>2500m |
| Aeroporto Internacional de Filadé (9 m, Pensilvânia) |
2 |
>2500m |
| Wings Field (92 m, Pensilvânia) |
0 |
|
| Quakertown Airport (160 m, Pensilvânia) |
0 |
|
| Lehigh Valley Intl. Airport (117 m, Pensilvânia) |
0 |
>2500m |
| Ogdensburg Intl. Airport (91 m, Nova Iorque) |
8 |
|
| Instalação de Voo Wallops (12 m, Virgínia) |
0 |
>2500m |
| Allentown Queen City Municipal Airport (122 m, Pensilvânia) |
0 |
|
| Gatineau-Ottawa Executive Airport (64 m, Quebec) |
6 |
|
| First Flight Airport (4 m, Carolina do Norte) |
0 |
|
| Ottawa Int AP (114 m, Ontário) |
7 |
2000-2500m |
| Dare (4 m, Carolina do Norte) |
4 |
|
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pensilvânia) |
8 |
300-600m |
| Hazleton Regional Airport (489 m, Pensilvânia) |
4 |
|
| Greater Binghamton Airport (497 m, Nova Iorque) |
2 |
>2500m |
| Tangier (2 m, Texas) |
0 |
|
| Currituck County Regional Airport (5 m, Carolina do Norte) |
0 |
|
| Cambridge- Dorchester Airport (6 m, Maryland) |
0 |
|
| Syracuse Hancock Intl. Airport (124 m, Nova Iorque) |
6 |
1000-1500m |
| Cortland Aeroporto (365 m, Nova Iorque) |
0 |
|
| Aeroporto internacional de Norfolk (9 m, Virgínia) |
0 |
>2500m |
| Bay Bridge Airport (15 m, Maryland) |
0 |
|
| Chesapeake Regional Airport (6 m, Virgínia) |
0 |
|
| Cape Dorset Aeroporto (50 m, Nunavut) |
8 |
>2500m |
| Northeastern Regional Airport (6 m, Carolina do Norte) |
0 |
|
| Suffolk Executive Airport (22 m, Virgínia) |
0 |
|
| Kingston Arpt (Man) (93 m, Ontário) |
8 |
|
| Baltimore Aeroporto (47 m, Maryland) |
2 |
>2500m |
| Leonardtown Aeroporto (43 m, Maryland) |
0 |
|
| West Point Aeroporto (7 m, Virgínia) |
0 |
|
| Tipton Airport (46 m, Maryland) |
0 |
|
| Marine Corps Air Station Cherry Point (11 m, Carolina do Norte) |
4 |
|
| Franklin Aeroporto (12 m, Virgínia) |
0 |
|
| Tappahannock Aeroporto (41 m, Virgínia) |
0 |
|
| College Park Airport (15 m, Maryland) |
0 |
|
| Williamsport Regional Airport (160 m, Pensilvânia) |
8 |
1500-2000m |
| Aeroporto Nacional Ronald Reagan de Was (20 m, Virgínia) |
2 |
2000-2500m |
| Warren Airport (12 m, Carolina do Norte) |
0 |
|
| New Kent Aeroporto (38 m, Virgínia) |
0 |
|
| Tri-County Airport (21 m, Carolina do Norte) |
0 |
|
| Puvirnituq (23 m, Quebec) |
8 |
|
| Aeroporto Internacional de Richmond (54 m, Virgínia) |
0 |
>2500m |
| Pitt- Greenville Airport (8 m, Carolina do Norte) |
0 |
|
| Wellsboro Aeroporto (577 m, Pensilvânia) |
0 |
|
| Stafford Regional Airport (65 m, Virgínia) |
0 |
|
| Fredericksburg Aeroporto (26 m, Virgínia) |
0 |
|
| Aeroporto Internacional Washington Dull (98 m, Virgínia) |
0 |
>2500m |
| Emporia Aeroporto (39 m, Virgínia) |
0 |
|
| Petersburg (59 m, Virgínia) |
0 |
|
| Trenton Airport (85 m, Ontário) |
5 |
1000-1500m |
| Tarboro Aeroporto (16 m, Carolina do Norte) |
0 |
|
| Leesburg Executive Airport (119 m, Virgínia) |
0 |
|
| Greater Rochester Intl. Airport (169 m, Nova Iorque) |
4 |
>2500m |
| Warrenton Aeroporto (102 m, Virgínia) |
0 |
|
| La Grande Rivière Airport (195 m, Quebec) |
3 |
1500-2000m |
| Lake Anna AP (107 m, Virgínia) |
0 |
|
| Val-d'Or (337 m, Califórnia) |
7 |
>2500m |
| Lawrenceville/brunswick Muni (100 m, Virgínia) |
0 |
|
| Matagami (280 m, Califórnia) |
0 |
>2500m |
| Culpeper Regional Airport (95 m, Virgínia) |
0 |
|
| Wilmington Intl. Airport (10 m, Carolina do Norte) |
4 |
300-600m |
| Pond Inlet Aeroporto (55 m, Nunavut) |
8 |
2000-2500m |
| Louisa (150 m, Virgínia) |
0 |
|
| Duplin (42 m, Carolina do Norte) |
0 |
|
| Wayne Executive Jetport (41 m, Carolina do Norte) |
4 |
|
| Orange Aeroporto (142 m, Virgínia) |
0 |
|
| Mecklenburg-Bruns. Arpt (430 m, Virgínia) |
0 |
|
| Southport Aeroporto (8 m, Carolina do Norte) |
4 |
|
| Inukjuak (25 m, Quebec) |
8 |
>2500m |
| Crewe Aeroporto (128 m, Virgínia) |
0 |
|
| Gordonsville Muni (138 m, Virgínia) |
0 |
|
| Winchester Regional Airport (222 m, Virgínia) |
0 |
|
| Lunenburg Airport (160 m, Virgínia) |
0 |
|
| Front Royal-warren County (216 m, Virgínia) |
0 |
|
| Triangle North Executive Airport (113 m, Carolina do Norte) |
0 |
|
| Clinton Aeroporto (45 m, Carolina do Norte) |
4 |
|
| Peterborough (191 m, Ontário) |
8 |
600-1000m |
| Cattaraugus County-Olean Airport (651 m, Nova Iorque) |
0 |
|
| Johnston Aeroporto (50 m, Carolina do Norte) |
4 |
|
| Farmville (125 m, Virgínia) |
0 |
|
| Chase City Aeroporto (153 m, Virgínia) |
0 |
|
| Henderson- Oxford Airport (161 m, Carolina do Norte) |
0 |
|
| Clarksville (128 m, Virgínia) |
0 |
|
| Curtis L. Brown Jr. Field (40 m, Carolina do Norte) |
4 |
|
| New Market Aeroporto (297 m, Virgínia) |
6 |
|
| Columbus County Municipal Airport (30 m, Carolina do Norte) |
4 |
|
| Buffalo Niagara Intl. Airport (219 m, Nova Iorque) |
2 |
2000-2500m |
| Harnett Regional Jetport Airport (60 m, Carolina do Norte) |
0 |
|
| Greater Cumberland Regional Airport (236 m, Virgínia Ocidental) |
4 |
|
| Greater Cumberland Regional Airport (236 m, Maryland) |
4 |
|
| Raleigh (134 m, Carolina do Norte) |
2 |
1500-2000m |
| Rouyn Airport (301 m, Quebec) |
6 |
|
| William M Tuck (128 m, Virgínia) |
0 |
|
| Oshawa (140 m, Ontário) |
8 |
1000-1500m |
| Shenandoah Valley Regional Airport (366 m, Virgínia) |
0 |
|
| Eagle's Nest Airport (438 m, Virgínia) |
0 |
|
| Bridgewater Aeroporto (355 m, Virgínia) |
0 |
|
| Person County Airport (186 m, Carolina do Norte) |
0 |
|
| Brookneal (182 m, Virgínia) |
0 |
|
| Somerset County Airport (693 m, Pensilvânia) |
0 |
|
| Raleigh Executive Jetport (75 m, Carolina do Norte) |
0 |
|
| Indiana (429 m, Pensilvânia) |
0 |
|
| Conway Aeroporto (10 m, Carolina do Sul) |
0 |
|
| Petersburg/Grant C. Arpt (293 m, Virgínia Ocidental) |
6 |
|
| St. Catharines/Niagara District Airport (98 m, Ontário) |
4 |
|
| Distrito Municipal de Muskoka (281 m, Ontário) |
8 |
600-1000m |
| Georgetown Aeroporto (12 m, Carolina do Sul) |
6 |
|
| Marion Aeroporto (28 m, Carolina do Sul) |
0 |
|
| McHenry Aeroporto (894 m, Maryland) |
0 |
|
| Toronto Islands Aeroporto (77 m, Ontário) |
7 |
1000-1500m |
| North Bay (370 m, Ontário) |
2 |
>2500m |
| Siler City Muni (187 m, Carolina do Norte) |
0 |
|
| Toronto/Pearson Airport (173 m, Ontário) |
1 |
300-600m |
| Richmond County Airport (109 m, Carolina do Norte) |
0 |
|
| Mount Pleasant Regional Airport (4 m, Carolina do Sul) |
6 |
|
norte - sul