| Stations: 2516
|
Cloud Cover |
Cloud Base |
| Langdon Airport (490 m, North Dakota) |
8 |
|
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
8 |
300-600m |
| Clarion Airport (354 m, Iowa) |
8 |
|
| Burley Airport (1267 m, Idaho) |
8 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| LaGuardia Airport (9 m, New York) |
2 |
|
| Francis S. Gabreski Airport (20 m, New York) |
2 |
|
| Roberval Airport (187 m, Quebec) |
8 |
|
| Greenwood (28 m, Nova Scotia) |
6 |
|
| John F. Kennedy Intl. Airport (7 m, New York) |
2 |
|
| Pocono Mountains Airport (584 m, Pennsylvania) |
0 |
|
| General William J. Fox Airfield (712 m, California) |
8 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
8 |
|
| Linden Airport (7 m, New Jersey) |
0 |
|
| Estherville Muni (401 m, Iowa) |
8 |
|
| Cambridge Bay Airport (23 m, Nunavut) |
0 |
|
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
2 |
|
| Hartford Airport (6 m, Connecticut) |
0 |
|
| Baker Lake Airport (18 m, Nunavut) |
8 |
|
| Fort St. John AP (695 m, British Columbia) |
2 |
|
| Newark Intl. Airport (9 m, New Jersey) |
2 |
|
| Dewar Lakes AP (488 m, Nunavut) |
8 |
|
| Otis Air National Guard Base (40 m, Massachusetts) |
0 |
|
| Portsmouth International Airport at Pea (31 m, New Hampshire) |
2 |
|
| Crosby Airport (594 m, North Dakota) |
0 |
|
| Billings Logan Intl. Airport (1088 m, Montana) |
8 |
|
| Churchill Falls (440 m, California) |
8 |
|
| Mojave Air and Space Port Airport (849 m, California) |
8 |
|
| Naval Air Station Patuxent River (14 m, Maryland) |
2 |
|
| Grafton Airport (251 m, North Dakota) |
8 |
|
| Waseca Airport (343 m, Minnesota) |
8 |
|
| Chico Airport (73 m, California) |
8 |
|
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
6 |
|
| Logan Intl. Airport (9 m, Massachusetts) |
2 |
|
| Moncton Airport (71 m, New Brunswick) |
0 |
|
| Liverpool Bay (102 m, Northwest Territories) |
8 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| Denver Intl. Airport (1656 m, Colorado) |
2 |
|
| McMinnville Airport (159 m, Oregon) |
8 |
|
| Northern Aroostook Regional Airport (301 m, Maine) |
8 |
|
| Portland- Troutdale Airport (11 m, Oregon) |
8 |
|
| Hallock (250 m, Minnesota) |
8 |
|
| Dawson Creek Airport (655 m, British Columbia) |
0 |
|
| McNary Field Airport (61 m, Oregon) |
8 |
|
| Québec (74 m, Quebec) |
2 |
|
| Flag Island (328 m, Minnesota) |
8 |
|
| Winnipeg Airport (239 m, Manitoba) |
8 |
|
| Saint-Hubert Airport (28 m, Quebec) |
2 |
|
| Newport State Airport (52 m, Rhode Island) |
0 |
|
| Churchill Airport (29 m, Manitoba) |
6 |
|
| Dodge Center Airport (398 m, Minnesota) |
8 |
|
| Churchill Falls Airport (435 m, Newfoundland) |
8 |
|
| Albany Airport (89 m, New York) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
6 |
|
| Mason (363 m, Iowa) |
8 |
|
| Hall Beach Airport (7 m, Nunavut) |
6 |
|
| Fillmore County Airport (389 m, Minnesota) |
8 |
|
| Morris Airport (344 m, Minnesota) |
8 |
|
| Saskatoon AP (503 m, Saskatchewan) |
6 |
|
| Kamloops Airport (345 m, British Columbia) |
8 |
|
| Grand Forks Air Force Base (276 m, North Dakota) |
8 |
|
| Naval Air Station Oceana (7 m, Virginia) |
0 |
|
| Naval Station Norfolk (5 m, Virginia) |
0 |
|
| Colorado Air and Space Port (1680 m, Colorado) |
0 |
|
| Willmar Airport (343 m, Minnesota) |
8 |
|
| Devils Lake Regional Airport (443 m, North Dakota) |
8 |
|
| SwiftCurrent (820 m, Saskatchewan) |
8 |
|
| Baker City Airport (1026 m, Oregon) |
0 |
|
| Crookston Airport (273 m, Minnesota) |
8 |
|
| Austin Airport (375 m, Minnesota) |
8 |
|
| Cando Airport (450 m, North Dakota) |
8 |
|
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Webster City (342 m, Iowa) |
8 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
8 |
|
| Saint John Airport (111 m, New Brunswick) |
4 |
|
| Dubois Airport (2224 m, Wyoming) |
0 |
|
| Pincher Creek Airport (1190 m, Alberta) |
0 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
8 |
|
| Sandspit (6 m, British Columbia) |
8 |
|
| Valley Intl. Airport (10 m, Texas) |
8 |
|
| Bangor Intl. Airport (56 m, Maine) |
0 |
|
| Waterloo Regional Airport (268 m, Iowa) |
8 |
|
| Island Lake Airport (235 m, Manitoba) |
8 |
|
| Puvirnituq (23 m, Quebec) |
2 |
|
| Harriet Alexander Field (2293 m, Colorado) |
0 |
|
| Hulett Airport (1300 m, Wyoming) |
0 |
|
| Pincher Creek (1190 m, Alberta) |
0 |
|
| Crescent City (17 m, California) |
8 |
|
| Rolla Airport (556 m, North Dakota) |
8 |
|
| Cape Cod Gateway Airport (16 m, Massachusetts) |
0 |
|
| Rawlins Airport (2077 m, Wyoming) |
0 |
|
| H.A. Clark Memorial Field (2036 m, Arizona) |
2 |
|
| St.Anthony A (32 m, Newfoundland) |
4 |
|
| Swift Current Airport (818 m, Saskatchewan) |
8 |
|
| Rowley Island (41 m, Nunavut) |
6 |
|
| Mountain Home Air Force Base (912 m, Idaho) |
6 |
|
| Cut Bank Airport (1169 m, Montana) |
0 |
|
| Forest City Airport (375 m, Iowa) |
8 |
|
| Ottawa Int AP (114 m, Ontario) |
8 |
|
| Port Hawkesbury Airport (114 m, Nova Scotia) |
8 |
|
| Sanirajak (8 m, California) |
6 |
|
| Cavalier Airport (270 m, North Dakota) |
8 |
|
| Tangier (2 m, Texas) |
8 |
|
| Florence Airport (1658 m, Colorado) |
0 |
|
| Fairmont Airport (354 m, Minnesota) |
8 |
|
| Westchester (121 m, New York) |
2 |
|
| Mankato Regional Airport (311 m, Minnesota) |
6 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Atlantic City Airport (20 m, New Jersey) |
0 |
|
| Penticton Airport (344 m, British Columbia) |
8 |
|
| Groton (3 m, Connecticut) |
0 |
|
| Hudson Valley Regional Airport (51 m, New York) |
0 |
|
| Algona Airport (372 m, Iowa) |
8 |
|
| Bradley Intl. Airport (55 m, Connecticut) |
0 |
|
| Grant County Regional Airport (1127 m, Oregon) |
0 |
|
| Detroit Lakes Airport (426 m, Minnesota) |
8 |
|
| Olivia Airport (328 m, Minnesota) |
8 |
|
| Makkovik Airport (71 m, Newfoundland) |
8 |
|
| Cape Parry AP (14 m, Northwest Territories) |
8 |
|
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) |
2 |
|
| Lehigh Valley Intl. Airport (117 m, Pennsylvania) |
6 |
|
| Knox County Regional Airport (17 m, Maine) |
0 |
|
| Regina Airport (577 m, Saskatchewan) |
8 |
|
| Hillsboro Airport (62 m, Oregon) |
8 |
|
| Yorkton Airport (498 m, Saskatchewan) |
8 |
|
| Newport Airport (37 m, Oregon) |
8 |
|
| Spencer Airport (408 m, Iowa) |
8 |
|
| Corvallis Airport (75 m, Oregon) |
6 |
|
| Lake County Airport (1441 m, Oregon) |
8 |
|
| Portland Airport (12 m, Oregon) |
8 |
|
| Storm Lake Airport (454 m, Iowa) |
8 |
|
| Alva Regional Airport (449 m, Oklahoma) |
4 |
|
| Tinker Air Force Base (384 m, Oklahoma) |
0 |
|
| Lawrence Airport (45 m, Maine) |
0 |
|
| Findlay Airport (247 m, Ohio) |
8 |
|
| Harry Stern Airport (295 m, North Dakota) |
8 |
|
| Jamestown Regional Airport (454 m, North Dakota) |
8 |
|
| Marine Corps Air Station Cherry Point (11 m, North Carolina) |
0 |
|
| Powell Airport (1552 m, Wyoming) |
0 |
|
| Manassas Regional Airport (59 m, North Carolina) |
8 |
|
| Portland (19 m, Maine) |
0 |
|
| East Hampton Airport (17 m, New York) |
0 |
|
| Bathurst Arpt(Awrs) (59 m, New Brunswick) |
0 |
|
| Oswego (145 m, New York) |
8 |
|
| Sullivan Airport (428 m, New York) |
0 |
|
| Stewart Intl. Airport (150 m, New York) |
0 |
|
| Sierra Blanca Regional Airport (2076 m, New Mexico) |
0 |
|
| Monticello Regional Airport (259 m, Iowa) |
8 |
|
| South Jersey Regional Airport (16 m, New Jersey) |
0 |
|
| Hagerstown Regional Airport (215 m, Maryland) |
0 |
|
| Teterboro Airport (3 m, New Jersey) |
0 |
|
| Essex (53 m, New Jersey) |
0 |
|
| Medicine Hat (717 m, Alberta) |
2 |
|
| Nashua Airport (61 m, New Hampshire) |
0 |
|
| Laramie Airport (2218 m, Wyoming) |
0 |
|
| Winnemucca Airport (1322 m, Nevada) |
8 |
|
| Malmstrom Air Force Base (1056 m, Montana) |
0 |
|
| Great Falls Intl. Airport (1116 m, Montana) |
0 |
|
| Lee's Summit Airport (306 m, Missouri) |
0 |
|
| Kansas City Intl. Airport (313 m, Missouri) |
0 |
|
| Stanton Airfield (280 m, Minnesota) |
8 |
|
| Platteville Airport (312 m, Wisconsin) |
8 |
|
| Granite Falls Airport (319 m, Minnesota) |
8 |
|
| Glencoe Airport (302 m, Minnesota) |
8 |
|
| Moorhead Airport (280 m, Minnesota) |
8 |
|
| Worcester Airport (308 m, Massachusetts) |
0 |
|
| Flying Cloud Airport (276 m, Minnesota) |
8 |
|
| Wheaton Airport (313 m, Minnesota) |
8 |
|
| Ortonville (335 m, Minnesota) |
8 |
|
| Marshall Town Muni (296 m, Iowa) |
8 |
|
| Windom (410 m, Minnesota) |
8 |
|
| Eastern Iowa Airport (256 m, Iowa) |
0 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
8 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
0 |
|
| Buckley Space Force Base (1726 m, Colorado) |
2 |
|
| Emporia Airport (368 m, Kansas) |
0 |
|
| Kenosha Regional Airport (226 m, Wisconsin) |
8 |
|
| Park Rapids Municip (437 m, Minnesota) |
8 |
|
| Yampa Valley Airport (2012 m, Colorado) |
0 |
|
| Albert Lea Airport (383 m, Minnesota) |
8 |
|
| St. Paul Downtown Airport (219 m, Minnesota) |
8 |
|
| Litchfield Airport (347 m, Minnesota) |
8 |
|
| Hutchinson Airport (323 m, Minnesota) |
8 |
|
| Manhattan Regional Airport (322 m, Kansas) |
0 |
|
| Red Wing Regional Airport (239 m, Minnesota) |
8 |
|
| Alexandria Airport (432 m, Minnesota) |
8 |
|
| Redwood Falls Muni (312 m, Minnesota) |
8 |
|
| Montevideo (Awos) (315 m, Minnesota) |
8 |
|
| Rankin Inlet Airport (29 m, Nunavut) |
8 |
|
| Tweed New Haven Airport (4 m, Connecticut) |
0 |
|
| Waterbury (222 m, Connecticut) |
0 |
|
| Dubuque Regional Airport (329 m, Iowa) |
8 |
|
| Kinngait Airport (50 m, Nunavut) |
0 |
|
| John H. Batten Airport (205 m, Wisconsin) |
8 |
|
| Wilmington Airport (24 m, Delaware) |
0 |
|
| Fergus Falls Airport (361 m, Minnesota) |
8 |
|
| Minneapolis (255 m, Minnesota) |
8 |
|
| Goshen Airport (252 m, Indiana) |
8 |
|
| Taloyoak Airport (28 m, Nunavut) |
0 |
|
| Spence Bay AP (28 m, Nunavut) |
0 |
|
| Norwood Memorial Airport (15 m, Massachusetts) |
0 |
|
| Hanscom Field (41 m, Massachusetts) |
0 |
|
| Naval Air Station Jacksonville (7 m, Florida) |
0 |
|
| Kenora Airport (406 m, Ontario) |
8 |
|
| Jerome (1233 m, Idaho) |
8 |
|
| Harvey Airport (487 m, North Dakota) |
8 |
|
| Beresford Airport (59 m, New Brunswick) |
0 |
|
| Gray Army Airfield (89 m, Washington) |
8 |
|
| Bay Bridge Airport (15 m, Maryland) |
0 |
|
| Naval Air Station Whidbey (10 m, Washington) |
8 |
|
| Taunton Airport (13 m, Massachusetts) |
0 |
|
| Big Trout Lake (222 m, Ontario) |
0 |
|
| Accomack (15 m, Virginia) |
6 |
|
| Hot Springs (1153 m, Virginia) |
8 |
|
| Dulles Intl. Airport (98 m, Virginia) |
6 |
|
| Norfolk Intl. Airport (9 m, Virginia) |
0 |
|
| Burlington Intl. Airport (104 m, Vermont) |
8 |
|
| Provo Airport (1369 m, Utah) |
0 |
|
| Port Aransas Airport (2 m, Texas) |
8 |
|
| Perryton Airport (889 m, Texas) |
0 |
|
| Pampa (989 m, Texas) |
0 |
|
| Englehart Airport (243 m, Ontario) |
8 |
|
| Naval Outlying Landing Field San Nicola (174 m, California) |
4 |
|
| Hutchinson (931 m, Texas) |
0 |
|
| Port Isabel AP (5 m, Texas) |
8 |
|
| Charlottetown Airport (79 m, Prince Edward Island) |
8 |
|
| Chatham Airport (19 m, Massachusetts) |
4 |
|
| Mahnomen Airport (379 m, Minnesota) |
8 |
|
| Brownsville/South Padre (8 m, Texas) |
8 |
|
| Catalina Airport (488 m, California) |
8 |
|
| Inukjuak (25 m, Quebec) |
6 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
8 |
|
| Hancock (26 m, Maine) |
0 |
|
| Sanford Seacoast Regional Airport (74 m, Maine) |
0 |
|
| Iowa Falls Airport (347 m, Iowa) |
8 |
|
| The Pas Airport (270 m, Manitoba) |
8 |
|
| North Central State Airport (134 m, Rhode Island) |
0 |
|
| Rhode (19 m, Rhode Island) |
0 |
|
| Naval Air Station Key West (2 m, Florida) |
2 |
|
| Tadoule Lake (281 m, Manitoba) |
8 |
|
| Reading Regional Airport (105 m, Pennsylvania) |
0 |
|
| Northeast Philadelphia Airport (37 m, Pennsylvania) |
0 |
|
| Lancaster Airport (123 m, Pennsylvania) |
0 |
|
| Edwards (701 m, California) |
8 |
|
| Independence Airport (298 m, Iowa) |
0 |
|
| Jackson Airport (441 m, Minnesota) |
8 |
|
| Pompano Beach Airport (7 m, Florida) |
0 |
|
| Greater Cumberland Regional Airport (236 m, Maryland) |
8 |
|
| Cambridge- Dorchester Airport (6 m, Maryland) |
8 |
|
| Annapolis (2 m, Maryland) |
0 |
|
| Mackenzie Airport (695 m, British Columbia) |
2 |
|
| Easton Airport (22 m, Maryland) |
0 |
|
| Ocean (4 m, Maryland) |
0 |
|
| Houlton Intl. Airport (150 m, Maine) |
2 |
|
| Millinocket Airport (124 m, Maine) |
6 |
|
| Plymouth Airport (158 m, New Hampshire) |
6 |
|
| Clinton/Bleibler Ranch Aerodrome (1128 m, British Columbia) |
6 |
|
| Eastern Slopes Regional Airport (137 m, Maine) |
0 |
|
| Augusta State Airport (107 m, Maine) |
0 |
|
| Port Fourchon Terminal (2 m, Louisiana) |
4 |
|
| Lakefront Airport (3 m, Louisiana) |
2 |
|
| Lake Charles Airport (5 m, Louisiana) |
2 |
|
| Cheyenne County Airport (1040 m, Kansas) |
0 |
|
| Elkhart (1099 m, Kansas) |
0 |
|
| Great Bend Airport (575 m, Kansas) |
0 |
|
| Newton (467 m, Kansas) |
0 |
|
| Dodge City Regional Airport (790 m, Kansas) |
0 |
|
| Goodland Airport (1124 m, Kansas) |
0 |
|
| Auburn Airport (467 m, California) |
8 |
|
| Lincoln Airport (37 m, California) |
8 |
|
| Beale Air Force Base (38 m, California) |
8 |
|
| Palmdale Regional Airport (774 m, California) |
8 |
|
| Edwards Air Force Base (705 m, California) |
6 |
|
| Vinton Airport (258 m, Iowa) |
0 |
|
| Pella Airport (270 m, Iowa) |
8 |
|
| Grinnell Airport (307 m, Iowa) |
0 |
|
| Sheldon (432 m, Iowa) |
8 |
|
| Knoxville (283 m, Iowa) |
8 |
|
| Boone Airport (354 m, Iowa) |
8 |
|
| Decorah Airport (353 m, Iowa) |
8 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
8 |
|
| Newton Airport (290 m, Iowa) |
8 |
|
| Washington (230 m, Iowa) |
0 |
|
| Clinton Airport (216 m, Iowa) |
4 |
|
| Davenport Airport (259 m, Iowa) |
0 |
|
| Boise Airport (872 m, Idaho) |
8 |
|
| Sioux Gateway Airport (336 m, Iowa) |
0 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
8 |
|
| Fort Wayne Intl. Airport (252 m, Indiana) |
8 |
|
| Oakes Airport (400 m, North Dakota) |
8 |
|
| Morris Airport (178 m, Illinois) |
8 |
|
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