| Stations: 1991
|
Cloud Cover |
Cloud Base |
| Eareckson Air Station (31 m, Alaska) |
6 |
600-1000m |
| Leh AFS (3513 m, Indiana) |
0 |
>2500m |
| Saint John's AP (135 m, Newfoundland) |
0 |
0-50m |
| Gander Airport (151 m, Newfoundland) |
1 |
>2500m |
| Mary’s Harbour (11 m, Newfoundland) |
0 |
>2500m |
| Mary's Harbour Airport (12 m, Newfoundland) |
0 |
|
| St.Anthony A (32 m, Newfoundland) |
0 |
>2500m |
| Cartwright Airport (15 m, Newfoundland) |
0 |
>2500m |
| Blanc-Sablon Airport (32 m, Quebec) |
5 |
300-600m |
| Deer Lake Airport (29 m, Newfoundland) |
0 |
0-50m |
| Stephenville Intl. Airport (9 m, Newfoundland) |
2 |
1500-2000m |
| Sable Island (1 m, Nova Scotia) |
0 |
>2500m |
| Sable Island AP (5 m, Nova Scotia) |
0 |
|
| Sydney Airport (72 m, Nova Scotia) |
2 |
600-1000m |
| Goose (49 m, Newfoundland) |
7 |
2000-2500m |
| Port Hawkesbury Airport (114 m, Nova Scotia) |
0 |
>2500m |
| Natashquan Airport (11 m, Quebec) |
8 |
300-600m |
| Magdalen Islands Airport (18 m, Quebec) |
6 |
2000-2500m |
| Charlottetown Airport (79 m, Prince Edward Island) |
4 |
1500-2000m |
| Halifax Airport (145 m, Nova Scotia) |
8 |
>2500m |
| Havre-Saint-Pierre (37 m, Quebec) |
8 |
300-600m |
| Havre-Saint-Pierre (34 m, Quebec) |
8 |
|
| Qikiqtarjuaq (6 m, Nunavut) |
8 |
300-600m |
| Churchill Falls Airport (435 m, Newfoundland) |
8 |
|
| Churchill Falls (440 m, California) |
8 |
600-1000m |
| Michel-Pouliot Gaspé Airport (35 m, Quebec) |
8 |
600-1000m |
| Moncton Airport (71 m, New Brunswick) |
6 |
>2500m |
| Greenwood (28 m, Nova Scotia) |
8 |
600-1000m |
| Miramichi AP (31 m, British Columbia) |
7 |
2000-2500m |
| Beresford Airport (59 m, New Brunswick) |
8 |
1500-2000m |
| Bathurst Arpt(Awrs) (59 m, New Brunswick) |
8 |
|
| Saint John Airport (111 m, New Brunswick) |
8 |
1500-2000m |
| Yarmouth Airport (46 m, Nova Scotia) |
8 |
200-300m |
| Sept-Îles Airport (55 m, Quebec) |
8 |
|
| Fredericton Intl. Airport (31 m, New Brunswick) |
8 |
600-1000m |
| Schefferville (517 m, Quebec) |
8 |
1000-1500m |
| Wabush Airport (551 m, Newfoundland) |
4 |
600-1000m |
| Caribou Airport (191 m, Maine) |
8 |
600-1000m |
| Baie-Comeau Airport (22 m, Quebec) |
8 |
600-1000m |
| Mont-Joli Airport (54 m, Quebec) |
8 |
1000-1500m |
| Kuujjuaq Airport (44 m, Quebec) |
7 |
600-1000m |
| Clyde AP (27 m, Nunavut) |
8 |
1000-1500m |
| Frobisher/Iqaluit AP (34 m, Nunavut) |
6 |
|
| Chatham Airport (19 m, Massachusetts) |
8 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
8 |
|
| Portland (19 m, Maine) |
not detectable |
50-100m |
| Plymouth Airport (45 m, Massachusetts) |
8 |
|
| Skyhaven Airport (98 m, New Hampshire) |
8 |
|
| Beverly Regional Airport (33 m, Massachusetts) |
8 |
|
| Eastern Slopes Regional Airport (137 m, Maine) |
8 |
|
| CFB Bagotville (159 m, Quebec) |
8 |
1000-1500m |
| Logan Intl. Airport (9 m, Massachusetts) |
8 |
50-100m |
| Berlin Regional Airport (353 m, New Hampshire) |
8 |
|
| Newport State Airport (52 m, Rhode Island) |
8 |
|
| Hanscom Field (41 m, Massachusetts) |
8 |
|
| Mount Washington Airport (1910 m, New Hampshire) |
not detectable |
|
| Rhode (19 m, Rhode Island) |
8 |
50-100m |
| Concord Airport (105 m, New Hampshire) |
8 |
100-200m |
| Nashua Airport (61 m, New Hampshire) |
8 |
|
| Plymouth Airport (158 m, New Hampshire) |
8 |
|
| Fitchburg Airport (106 m, Massachusetts) |
8 |
|
| Sherbrooke Airport (242 m, Quebec) |
7 |
>2500m |
| Jaffrey Airport (317 m, New Hampshire) |
8 |
|
| Caledonia County Airport (362 m, Vermont) |
8 |
|
| Northeast Kingdom Intl. Airport (284 m, Vermont) |
8 |
|
| Roberval Airport (187 m, Quebec) |
8 |
100-200m |
| Orange Airport (164 m, Massachusetts) |
8 |
|
| Lebanon Airport (182 m, New Hampshire) |
8 |
|
| Chester Airport (127 m, Connecticut) |
8 |
|
| Hartness State Airport (176 m, Vermont) |
8 |
|
| Westover Metropolitan Airport (75 m, Massachusetts) |
8 |
|
| Edward F. Knapp State Airport (355 m, Vermont) |
8 |
|
| Francis S. Gabreski Airport (20 m, New York) |
8 |
|
| Hartford Airport (6 m, Connecticut) |
8 |
|
| Bradley Intl. Airport (55 m, Connecticut) |
8 |
100-200m |
| Brookhaven Airport (25 m, New York) |
8 |
|
| Tweed New Haven Airport (4 m, Connecticut) |
8 |
|
| Middlebury State AP (149 m, Vermont) |
8 |
|
| Franklin County State Airport (70 m, Vermont) |
6 |
|
| Sikorsky Memorial Airport (5 m, Connecticut) |
8 |
50-100m |
| Burlington Intl. Airport (104 m, Vermont) |
6 |
1000-1500m |
| William H. Morse State Airport (252 m, Vermont) |
8 |
|
| Saint-Hubert Airport (28 m, Quebec) |
8 |
>2500m |
| Danbury Airport (139 m, Connecticut) |
8 |
|
| Floyd Bennett Memorial Airport (100 m, New York) |
8 |
|
| La Grande Iv (306 m, California) |
0 |
>2500m |
| Montreal Airport Trudeau (34 m, Quebec) |
8 |
1000-1500m |
| John F. Kennedy Intl. Airport (7 m, New York) |
8 |
50-100m |
| Albany Airport (89 m, New York) |
8 |
200-300m |
| LaGuardia Airport (9 m, New York) |
8 |
200-300m |
| Hudson Valley Regional Airport (51 m, New York) |
8 |
|
| Mirabel Airport (82 m, Quebec) |
6 |
|
| Monmouth Executive Airport (48 m, New Jersey) |
8 |
|
| Newark Intl. Airport (9 m, New Jersey) |
8 |
100-200m |
| Orange County Airport (111 m, New York) |
8 |
|
| Essex (53 m, New Jersey) |
8 |
|
| Chibougamau-Chapais AP (387 m, Quebec) |
8 |
|
| Atlantic City Airport (20 m, New Jersey) |
8 |
200-300m |
| McGuire Air Force Base (41 m, New Jersey) |
8 |
|
| Trenton (65 m, New Jersey) |
8 |
|
| Cape May Airport (7 m, New Jersey) |
8 |
|
| Doylestown Airport (120 m, Pennsylvania) |
8 |
|
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
8 |
300-600m |
| Wings Field (92 m, Pennsylvania) |
8 |
|
| Delaware Coastal Airport (16 m, Delaware) |
8 |
|
| Quakertown Airport (160 m, Pennsylvania) |
8 |
|
| Pocono Mountains Airport (584 m, Pennsylvania) |
8 |
|
| Lehigh Valley Intl. Airport (117 m, Pennsylvania) |
8 |
300-600m |
| Ogdensburg Intl. Airport (91 m, New York) |
8 |
|
| Dover Air Force Base (9 m, Delaware) |
8 |
|
| Wallops Flight Facility Airport (12 m, Virginia) |
8 |
600-1000m |
| Allentown Queen City Airport (122 m, Pennsylvania) |
8 |
|
| Gatineau-Ottawa Executive Airport (64 m, Quebec) |
8 |
|
| Wilmington Airport (24 m, Delaware) |
8 |
|
| Ottawa Int AP (114 m, Ontario) |
8 |
100-200m |
| First Flight Airport (4 m, North Carolina) |
8 |
|
| Dare (4 m, North Carolina) |
6 |
|
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) |
8 |
1000-1500m |
| Wheeler-Sack Army Airfield (207 m, New York) |
8 |
|
| Dare County Gunnery Range (3 m, North Carolina) |
6 |
|
| Tangier (2 m, Texas) |
8 |
|
| Greater Binghamton Airport (497 m, New York) |
8 |
300-600m |
| Hazleton Regional Airport (489 m, Pennsylvania) |
8 |
|
| Currituck County Regional Airport (5 m, North Carolina) |
8 |
|
| Cambridge- Dorchester Airport (6 m, Maryland) |
8 |
|
| Syracuse Hancock Intl. Airport (124 m, New York) |
8 |
1000-1500m |
| Cortland Airport (365 m, New York) |
6 |
|
| Norfolk Intl. Airport (9 m, Virginia) |
8 |
600-1000m |
| Lancaster Airport (123 m, Pennsylvania) |
8 |
|
| Bay Bridge Airport (15 m, Maryland) |
8 |
|
| Chesapeake Regional Airport (6 m, Virginia) |
8 |
|
| Northeastern Regional Airport (6 m, North Carolina) |
8 |
|
| Suffolk Executive Airport (22 m, Virginia) |
8 |
|
| Kingston Arpt (Man) (93 m, Ontario) |
8 |
|
| Baltimore Airport (47 m, Maryland) |
8 |
300-600m |
| Leonardtown Airport (43 m, Maryland) |
8 |
|
| Michael J. Smith Field (3 m, North Carolina) |
8 |
|
| West Point Airport (7 m, Virginia) |
8 |
|
| Harrisburg Intl. Airport (94 m, Pennsylvania) |
8 |
|
| Tipton Airport (46 m, Maryland) |
8 |
|
| Marine Corps Air Station Cherry Point (11 m, North Carolina) |
8 |
|
| Tappahannock Airport (41 m, Virginia) |
8 |
|
| Franklin Airport (12 m, Virginia) |
8 |
|
| College Park Airport (15 m, Maryland) |
8 |
|
| Williamsport Regional Airport (160 m, Pennsylvania) |
8 |
300-600m |
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
8 |
600-1000m |
| Coastal Carolina Regional Airport (6 m, North Carolina) |
8 |
|
| Warren Airport (12 m, North Carolina) |
8 |
|
| New Kent Airport (38 m, Virginia) |
8 |
|
| Tri-County Airport (21 m, North Carolina) |
8 |
|
| Davison Army Airfield (21 m, Virginia) |
8 |
|
| Puvirnituq (23 m, Quebec) |
8 |
|
| Marine Corps Air Facility Quantico Airp (4 m, Virginia) |
8 |
|
| Richmond Intl. Airport (54 m, Virginia) |
8 |
600-1000m |
| Pitt- Greenville Airport (8 m, North Carolina) |
8 |
|
| Wellsboro Airport (577 m, Pennsylvania) |
8 |
|
| Marine Corps Air Station New River (8 m, North Carolina) |
8 |
|
| Hanover (63 m, Virginia) |
8 |
|
| Dulles Intl. Airport (98 m, Virginia) |
8 |
300-600m |
| Fredericksburg Airport (26 m, Virginia) |
8 |
|
| Stafford Regional Airport (65 m, Virginia) |
8 |
|
| Emporia Airport (39 m, Virginia) |
8 |
|
| Manassas Regional Airport (59 m, North Carolina) |
8 |
|
| Petersburg (59 m, Virginia) |
8 |
|
| Trenton Airport (85 m, Ontario) |
8 |
600-1000m |
| Tarboro Airport (16 m, North Carolina) |
8 |
|
| Leesburg Executive Airport (119 m, Virginia) |
8 |
|
| Greater Rochester Intl. Airport (169 m, New York) |
8 |
1500-2000m |
| Warrenton Airport (102 m, Virginia) |
8 |
|
| La Grande Rivière Airport (195 m, Quebec) |
3 |
>2500m |
| Hagerstown Regional Airport (215 m, Maryland) |
8 |
|
| Lake Anna AP (107 m, Virginia) |
8 |
|
| Val-d'Or (337 m, California) |
8 |
1000-1500m |
| Lawrenceville/brunswick Muni (100 m, Virginia) |
8 |
|
| Matagami (280 m, California) |
8 |
>2500m |
| Culpeper Regional Airport (95 m, Virginia) |
8 |
|
| Wilmington Intl. Airport (10 m, North Carolina) |
8 |
300-600m |
| Rocky Mount- Wilson Regional Airport (48 m, North Carolina) |
8 |
|
| Ft. Pickett / Blackstone (134 m, Virginia) |
8 |
|
| Louisa (150 m, Virginia) |
8 |
|
| Seymour Johnson Air Force Base (33 m, North Carolina) |
8 |
|
| Pond Inlet Airport (55 m, Nunavut) |
8 |
1000-1500m |
| Duplin (42 m, North Carolina) |
8 |
|
| Wayne Executive Jetport (41 m, North Carolina) |
8 |
|
| Wellsville Airport (646 m, New York) |
8 |
|
| Orange Airport (142 m, Virginia) |
8 |
|
| Mecklenburg-Bruns. Arpt (430 m, Virginia) |
8 |
|
| Southport Airport (8 m, North Carolina) |
6 |
|
| Inukjuak (25 m, Quebec) |
8 |
50-100m |
| Crewe Airport (128 m, Virginia) |
8 |
|
| Winchester Regional Airport (222 m, Virginia) |
8 |
|
| Gordonsville Muni (138 m, Virginia) |
8 |
|
| Lunenburg Airport (160 m, Virginia) |
8 |
|
| Front Royal-warren County (216 m, Virginia) |
8 |
|
| Altoona (458 m, Pennsylvania) |
8 |
|
| Triangle North Executive Airport (113 m, North Carolina) |
8 |
|
| Clinton Airport (45 m, North Carolina) |
8 |
|
| Peterborough (191 m, Ontario) |
8 |
200-300m |
| Cattaraugus County-Olean Airport (651 m, New York) |
8 |
|
| Johnston County Airport (50 m, North Carolina) |
8 |
|
| Clearfield- Lawrence Airport (462 m, Pennsylvania) |
8 |
|
| Farmville (125 m, Virginia) |
8 |
|
| Chase City Airport (153 m, Virginia) |
8 |
|
| Henderson- Oxford Airport (161 m, North Carolina) |
6 |
|
| Clarksville (128 m, Virginia) |
8 |
|
| Curtis L. Brown Jr. Field (40 m, North Carolina) |
8 |
|
| Bradford Airport (653 m, Pennsylvania) |
8 |
|
| New Market Airport (297 m, Virginia) |
8 |
|
| Columbus County Airport (30 m, North Carolina) |
8 |
|
| Grand Strand Airport (10 m, South Carolina) |
8 |
|
| Buffalo Niagara Intl. Airport (219 m, New York) |
8 |
600-1000m |
| Harnett Regional Jetport Airport (60 m, North Carolina) |
8 |
|
| Greater Cumberland Regional Airport (236 m, West-Virginia) |
8 |
|
| Greater Cumberland Regional Airport (236 m, Maryland) |
8 |
|
| Raleigh (134 m, North Carolina) |
6 |
300-600m |
| William M Tuck (128 m, Virginia) |
8 |
|
| Johnstown (696 m, Pennsylvania) |
8 |
|
| Rouyn AP (301 m, Quebec) |
8 |
|
| Oshawa (140 m, Ontario) |
8 |
100-200m |
| Fayetteville Regional Airport (58 m, North Carolina) |
8 |
|
| DuBois Airport (554 m, Pennsylvania) |
8 |
|
North - South