| Stations: 2859
|
Cloud Cover |
Cloud Base |
| Nain (12 m, Newfoundland) |
8 |
600-1000m |
| Shearwater AP (51 m, Nova Scotia) |
4 |
|
| Algona Airport (372 m, Iowa) |
8 |
|
| Lac de Gras (469 m, Northwest Territories) |
8 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| Frobisher/Iqaluit AP (34 m, Nunavut) |
2 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
8 |
200-300m |
| Churchill Falls (440 m, California) |
0 |
>2500m |
| Churchill Falls Airport (435 m, Newfoundland) |
0 |
|
| Rawlins Airport (2077 m, Wyoming) |
0 |
|
| Casper (1612 m, Wyoming) |
0 |
>2500m |
| Logan Intl. Airport (9 m, Massachusetts) |
2 |
1000-1500m |
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
8 |
300-600m |
| Devils Lake Regional Airport (443 m, North Dakota) |
8 |
|
| Port Hawkesbury Airport (114 m, Nova Scotia) |
8 |
300-600m |
| Knox County Regional Airport (17 m, Maine) |
0 |
|
| Hall Beach Airport (7 m, Nunavut) |
4 |
|
| The Pas Airport (270 m, Manitoba) |
8 |
200-300m |
| Igloolik Airport (51 m, Nunavut) |
4 |
|
| Mason (363 m, Iowa) |
8 |
|
| Clarion Airport (354 m, Iowa) |
8 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
8 |
|
| Saint John Airport (111 m, New Brunswick) |
5 |
1000-1500m |
| Moose Jaw (577 m, Saskatchewan) |
6 |
|
| Naval Air Weapons Station China Lake (696 m, California) |
0 |
|
| Forest City Airport (375 m, Iowa) |
8 |
|
| Churchill Airport (29 m, Manitoba) |
8 |
600-1000m |
| Gagetown Awos A (51 m, New Brunswick) |
0 |
>2500m |
| Cape Peel West (165 m, Northwest Territories) |
0 |
>2500m |
| Liverpool Bay (102 m, Northwest Territories) |
8 |
>2500m |
| Arlington Airport (42 m, Washington) |
8 |
|
| Great Falls (1131 m, Montana) |
0 |
>2500m |
| Mercury/Desert Rock (1006 m, Nevada) |
6 |
2000-2500m |
| Sandspit (6 m, British Columbia) |
8 |
300-600m |
| Portland Airport (12 m, Oregon) |
8 |
600-1000m |
| Rankin Inlet Airport (29 m, Nunavut) |
8 |
300-600m |
| Fort St. John AP (695 m, British Columbia) |
1 |
>2500m |
| Shepherd Bay AP (45 m, Nunavut) |
0 |
>2500m |
| Grafton Airport (251 m, North Dakota) |
8 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| East Hampton Airport (17 m, New York) |
0 |
|
| Westchester (121 m, New York) |
2 |
|
| Ithaca Tompkins Intl. Airport (335 m, New York) |
6 |
|
| LaGuardia Airport (9 m, New York) |
2 |
1500-2000m |
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
2 |
1000-1500m |
| Dover Air Force Base (9 m, Delaware) |
0 |
|
| Charlottetown Airport (79 m, Prince Edward Island) |
7 |
300-600m |
| Great Falls Intl. Airport (1116 m, Montana) |
0 |
|
| Sanirajak (8 m, California) |
4 |
>2500m |
| Roberval Airport (187 m, Quebec) |
1 |
600-1000m |
| CFB Bagotville (159 m, Quebec) |
3 |
600-1000m |
| Winnipeg Airport (239 m, Manitoba) |
8 |
|
| Waseca Airport (343 m, Minnesota) |
8 |
|
| Minneapolis (255 m, Minnesota) |
8 |
300-600m |
| Crosby Airport (594 m, North Dakota) |
0 |
|
| Florence Airport (1658 m, Colorado) |
0 |
|
| Rolla Airport (556 m, North Dakota) |
8 |
|
| Lihue Airport (32 m, Hawaii) |
6 |
300-600m |
| Cape Parry AP (14 m, Northwest Territories) |
8 |
100-200m |
| Moorhead Airport (280 m, Minnesota) |
8 |
|
| Austin Airport (375 m, Minnesota) |
8 |
|
| Naval Air Station Patuxent River (14 m, Maryland) |
0 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
8 |
|
| Wheaton Airport (313 m, Minnesota) |
8 |
|
| Lewistown Airport (1263 m, Montana) |
0 |
|
| Greenwood (28 m, Nova Scotia) |
8 |
1000-1500m |
| Tangier (2 m, Texas) |
4 |
|
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
8 |
600-1000m |
| Havre (792 m, Montana) |
0 |
>2500m |
| Baudette Intl. Airport (329 m, Minnesota) |
8 |
|
| Billings Logan Intl. Airport (1088 m, Montana) |
8 |
>2500m |
| Emporia Airport (368 m, Kansas) |
0 |
|
| Crookston Airport (273 m, Minnesota) |
8 |
|
| Shively Field Airport (2138 m, Wyoming) |
0 |
|
| SwiftCurrent (820 m, Saskatchewan) |
4 |
>2500m |
| Hulett Airport (1300 m, Wyoming) |
0 |
|
| Beresford Airport (59 m, New Brunswick) |
0 |
>2500m |
| Dodge Center Airport (398 m, Minnesota) |
8 |
|
| Webster City (342 m, Iowa) |
8 |
|
| Albert Lea Airport (383 m, Minnesota) |
8 |
|
| Swift Current Airport (818 m, Saskatchewan) |
4 |
|
| Pocono Mountains Airport (584 m, Pennsylvania) |
6 |
|
| Kenora Airport (406 m, Ontario) |
8 |
300-600m |
| Groton (3 m, Connecticut) |
0 |
|
| Fergus Falls Airport (361 m, Minnesota) |
8 |
|
| Northern Aroostook Regional Airport (301 m, Maine) |
8 |
|
| Saint John's AP (135 m, Newfoundland) |
7 |
>2500m |
| Ottawa Int AP (114 m, Ontario) |
1 |
2000-2500m |
| Naval Station Mayport (5 m, Florida) |
0 |
|
| Mankato Regional Airport (311 m, Minnesota) |
8 |
|
| St. Paul Downtown Airport (219 m, Minnesota) |
8 |
|
| Menominee Airport (191 m, Michigan) |
8 |
|
| John F. Kennedy Intl. Airport (7 m, New York) |
2 |
1500-2000m |
| Medicine Hat (717 m, Alberta) |
0 |
>2500m |
| Independence Airport (298 m, Iowa) |
0 |
|
| Baker City Airport (1026 m, Oregon) |
8 |
|
| Dryden Airport (413 m, Ontario) |
8 |
600-1000m |
| Morris Airport (344 m, Minnesota) |
8 |
|
| Saint-Hubert Airport (28 m, Quebec) |
4 |
>2500m |
| Pittsfield Airport (364 m, Massachusetts) |
0 |
|
| Rowley Island (41 m, Nunavut) |
7 |
1500-2000m |
| Bathurst Arpt(Awrs) (59 m, New Brunswick) |
0 |
|
| Hancock (26 m, Maine) |
0 |
|
| Lake County Airport (1441 m, Oregon) |
8 |
|
| Newark Intl. Airport (9 m, New Jersey) |
2 |
1000-1500m |
| Newport State Airport (52 m, Rhode Island) |
0 |
|
| Grant County Regional Airport (1127 m, Oregon) |
4 |
|
| Willmar Airport (343 m, Minnesota) |
8 |
|
| Beaufort Airport (3 m, South Carolina) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
8 |
|
| Marshall Town Muni (296 m, Iowa) |
8 |
|
| Mount Washington Airport (1910 m, New Hampshire) |
not detectable |
|
| Westfield-Barnes Regional Airport (83 m, Massachusetts) |
0 |
|
| Kansas City Intl. Airport (313 m, Missouri) |
0 |
>2500m |
| Powell Airport (1552 m, Wyoming) |
0 |
|
| Middleton Muni - Morey Field (283 m, Wisconsin) |
8 |
|
| Dawson Creek Airport (655 m, British Columbia) |
0 |
>2500m |
| Freeport Airport (262 m, Illinois) |
8 |
|
| Port Aransas Airport (2 m, Texas) |
8 |
|
| Plymouth Airport (45 m, Massachusetts) |
0 |
|
| Olivia Airport (328 m, Minnesota) |
8 |
|
| Granite Falls Airport (319 m, Minnesota) |
8 |
|
| Marine Corps Air Facility Quantico Airp (4 m, Virginia) |
0 |
|
| Hot Springs (1153 m, Virginia) |
8 |
|
| Otis Air National Guard Base (40 m, Massachusetts) |
0 |
|
| Fillmore County Airport (389 m, Minnesota) |
8 |
|
| Paynesville Airport (360 m, Minnesota) |
8 |
|
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Bemidji Regional Airport (420 m, Minnesota) |
8 |
|
| Lethbridge (929 m, Alberta) |
0 |
>2500m |
| Benson Airport (317 m, Minnesota) |
8 |
|
| Windom (410 m, Minnesota) |
8 |
|
| Norwood Memorial Airport (15 m, Massachusetts) |
0 |
|
| Detroit Lakes Airport (426 m, Minnesota) |
8 |
|
| Park Rapids Municip (437 m, Minnesota) |
8 |
|
| Rochelle Airport (238 m, Illinois) |
8 |
|
| Norway House Airport (223 m, Manitoba) |
8 |
300-600m |
| Sanford Seacoast Regional Airport (74 m, Maine) |
0 |
|
| Midway Intl. Airport (190 m, Illinois) |
8 |
|
| Chico Airport (73 m, California) |
6 |
|
| Monticello Regional Airport (259 m, Iowa) |
4 |
|
| Saskatoon AP (503 m, Saskatchewan) |
6 |
|
| Fairmont Airport (354 m, Minnesota) |
8 |
|
| Crescent City (17 m, California) |
8 |
|
| Cartwright Airport (15 m, Newfoundland) |
8 |
2000-2500m |
| Wekweètì Airport (368 m, Northwest Territories) |
8 |
|
| Litchfield Airport (347 m, Minnesota) |
8 |
|
| Barstow-Daggett Airport (587 m, California) |
8 |
|
| Hutchinson Airport (323 m, Minnesota) |
8 |
|
| Corpus Christi Intl. Airport (15 m, Texas) |
8 |
200-300m |
| Catalina Airport (488 m, California) |
6 |
|
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
0 |
>2500m |
| Oakland Intl. Airport (6 m, California) |
2 |
|
| Sept-Îles Airport (55 m, Quebec) |
8 |
|
| Moncton Airport (71 m, New Brunswick) |
1 |
600-1000m |
| Red Wing Regional Airport (239 m, Minnesota) |
8 |
|
| Seattle (137 m, Washington) |
8 |
600-1000m |
| Naval Station Norfolk (5 m, Virginia) |
0 |
|
| South Texas International Airport at Ed (24 m, Texas) |
8 |
|
| Fort Simpson Airport (169 m, Northwest Territories) |
8 |
1500-2000m |
| Huron Airport (393 m, South Dakota) |
not detectable |
50-100m |
| Airlake Airport (293 m, Minnesota) |
8 |
|
| Alexandria Airport (432 m, Minnesota) |
8 |
|
| Redwood Falls Muni (312 m, Minnesota) |
8 |
|
| Montevideo (Awos) (315 m, Minnesota) |
8 |
|
| Warroad International Memorial Airport (327 m, Minnesota) |
8 |
|
| Clinton Airport (216 m, Iowa) |
0 |
|
| Paine Field (185 m, Washington) |
8 |
|
| Kindersley Regional Airport (698 m, Saskatchewan) |
3 |
>2500m |
| Chatham Airport (19 m, Massachusetts) |
8 |
|
| Erie Intl. Airport (225 m, Pennsylvania) |
8 |
1000-1500m |
| Grande Prairie Airport (669 m, Alberta) |
3 |
1500-2000m |
| Aurora State Airport (60 m, Oregon) |
8 |
|
| Eastern WV Regional Airport (170 m, West-Virginia) |
2 |
|
| Cambridge Bay Airport (23 m, Nunavut) |
0 |
>2500m |
| Cando Airport (450 m, North Dakota) |
8 |
|
| Taloyoak Airport (28 m, Nunavut) |
0 |
>2500m |
| Oakes Airport (400 m, North Dakota) |
8 |
|
| John H. Batten Airport (205 m, Wisconsin) |
8 |
|
| Cavalier Airport (270 m, North Dakota) |
8 |
|
| Eastern Iowa Airport (256 m, Iowa) |
0 |
|
| Harry Stern Airport (295 m, North Dakota) |
8 |
|
| Kamloops Airport (345 m, British Columbia) |
8 |
1000-1500m |
| Wittman Regional Airport (246 m, Wisconsin) |
8 |
|
| Penticton Airport (344 m, British Columbia) |
8 |
1000-1500m |
| Harvey Airport (487 m, North Dakota) |
8 |
|
| Rice Lake Regional Airport (347 m, Wisconsin) |
8 |
|
| Viroqua Airport (394 m, Wisconsin) |
8 |
|
| Hector Intl. Airport (274 m, North Dakota) |
8 |
100-200m |
| Marshfield Airport (389 m, Wisconsin) |
8 |
|
| Sudbury Airport (348 m, Ontario) |
3 |
300-600m |
| Florida Keys Marathon Airport (2 m, Florida) |
0 |
|
| McCall Airport (1530 m, Idaho) |
8 |
|
| Big Trout Lake (222 m, Ontario) |
0 |
>2500m |
| Cumberland Airport (378 m, Wisconsin) |
8 |
|
| Rusk County Airport (377 m, Wisconsin) |
8 |
|
| Naval Air Station Key West (2 m, Florida) |
4 |
|
| Northeast Kingdom Intl. Airport (284 m, Vermont) |
8 |
|
| Naval Air Station Jacksonville (7 m, Florida) |
0 |
|
| Platteville Airport (312 m, Wisconsin) |
8 |
|
| Marine Corps Air Station Cherry Point (11 m, North Carolina) |
0 |
|
| Dare (4 m, North Carolina) |
0 |
|
| Billy Mitchell Airport (4 m, North Carolina) |
2 |
|
| Oswego (145 m, New York) |
8 |
|
| Mahnomen Airport (379 m, Minnesota) |
8 |
|
| Stewart Intl. Airport (150 m, New York) |
0 |
|
| Spence Bay AP (28 m, Nunavut) |
0 |
|
| Long (30 m, New York) |
2 |
|
| Pincher Creek Airport (1190 m, Alberta) |
0 |
>2500m |
| Republic Airport (25 m, New York) |
0 |
|
| Sauk Centre Muni (379 m, Minnesota) |
8 |
|
| Norfolk Intl. Airport (9 m, Virginia) |
0 |
>2500m |
| Halifax Airport (145 m, Nova Scotia) |
8 |
300-600m |
| Idaho County Airport (1010 m, Idaho) |
6 |
|
| Albert Whitted Airport (2 m, Florida) |
0 |
|
| Bay Bridge Airport (15 m, Maryland) |
0 |
|
| Santa Fe Regional Airport (1933 m, New Mexico) |
0 |
|
| Clayton Municipal Airpark (1515 m, New Mexico) |
0 |
>2500m |
| Linden Airport (7 m, New Jersey) |
0 |
|
| South Jersey Regional Airport (16 m, New Jersey) |
0 |
|
| Somerset Airport (32 m, New Jersey) |
0 |
|
| Cape May Airport (7 m, New Jersey) |
0 |
|
| Millville Executive Airport (25 m, New Jersey) |
0 |
|
| Southwest Michigan Regional Airport (196 m, Michigan) |
8 |
|
| King Salmon Airport (14 m, Alaska) |
8 |
300-600m |
| Portsmouth International Airport at Pea (31 m, New Hampshire) |
2 |
|
| Henderson Executive Airport (749 m, Nevada) |
6 |
|
| Wilmington Airport (24 m, Delaware) |
0 |
|
| Portland (19 m, Maine) |
2 |
100-200m |
| Meriden Markham Airport (31 m, Connecticut) |
0 |
|
| Waterbury (222 m, Connecticut) |
0 |
|
| Dulles Intl. Airport (98 m, Virginia) |
6 |
1000-1500m |
| Joint Base Andrews (88 m, Maryland) |
0 |
|
| Sydney Airport (72 m, Nova Scotia) |
5 |
300-600m |
| Caribou Airport (191 m, Maine) |
0 |
>2500m |
| Montreal Airport Trudeau (34 m, Quebec) |
1 |
300-600m |
| Ingenika Point (680 m, British Columbia) |
8 |
|
| Valley Intl. Airport (10 m, Texas) |
8 |
|
| Muskegon (193 m, Michigan) |
8 |
1500-2000m |
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
8 |
1500-2000m |
| Millinocket Airport (124 m, Maine) |
0 |
|
| Rhode (19 m, Rhode Island) |
2 |
1000-1500m |
| Doylestown Airport (120 m, Pennsylvania) |
0 |
|
| Placerville Airport (788 m, California) |
8 |
|
| Tacoma Narrows Airport (89 m, Washington) |
8 |
|
| Milford Municipal (1536 m, Utah) |
8 |
>2500m |
| Cedar City Regional Airport (1714 m, Utah) |
0 |
|
| Burlington Intl. Airport (104 m, Vermont) |
6 |
1000-1500m |
North - South