| Stations: 2478
|
Cloud Cover |
Cloud Base |
| Eureka Airport (11 m, Nunavut) |
5 |
300-600m |
| Hector Intl. Airport (274 m, North Dakota) |
8 |
300-600m |
| Gjoa Haven Airport (46 m, Nunavut) |
8 |
300-600m |
| Dewar Lakes AP (488 m, Nunavut) |
8 |
50-100m |
| Magdalen Islands Airport (18 m, Quebec) |
6 |
600-1000m |
| CFB Bagotville (159 m, Quebec) |
8 |
600-1000m |
| Aberdeen Airport (397 m, South Dakota) |
8 |
300-600m |
| Campbell Army Airfield (173 m, Kentucky) |
8 |
|
| Saint John's AP (135 m, Newfoundland) |
4 |
200-300m |
| Indianapolis Intl. Airport (246 m, Indiana) |
8 |
1500-2000m |
| Lytton Airport (225 m, British Columbia) |
0 |
|
| Akulivik Airport (9 m, Quebec) |
4 |
|
| Covington Airport (267 m, Kentucky) |
8 |
1000-1500m |
| Langdon Airport (490 m, North Dakota) |
8 |
|
| Blue Grass Airport (301 m, Kentucky) |
8 |
200-300m |
| McKellar- Sipes Regional Airport (132 m, Tennessee) |
8 |
|
| Ingenika Point (680 m, British Columbia) |
8 |
|
| Winnipeg Airport (239 m, Manitoba) |
8 |
|
| Birmingham (192 m, Alabama) |
8 |
|
| Huntsville Intl. Airport (196 m, Alabama) |
8 |
300-600m |
| Hallock (250 m, Minnesota) |
8 |
|
| Harrisburg (121 m, Illinois) |
8 |
|
| Roberval Airport (187 m, Quebec) |
8 |
600-1000m |
| Midway Intl. Airport (190 m, Illinois) |
6 |
|
| Buffalo Airport (1514 m, Wyoming) |
0 |
|
| Brevoort Island Airport (376 m, Nunavut) |
8 |
>2500m |
| Shepherd Bay AP (45 m, Nunavut) |
8 |
300-600m |
| Rawson Lake (305 m, Ontario) |
6 |
|
| Albertville Regional Airport (315 m, Alabama) |
8 |
|
| Litchfield Airport (210 m, Illinois) |
4 |
|
| Everett- Stewart Regional Airport (104 m, Tennessee) |
8 |
|
| Igloolik Airport (51 m, Nunavut) |
2 |
|
| Pryor Field Regional Airport (180 m, Alabama) |
8 |
|
| Tangier (2 m, Texas) |
8 |
|
| Powell Airport (1552 m, Wyoming) |
4 |
|
| Provincetown Airport (2 m, Massachusetts) |
0 |
|
| St. Anthony Lwis (32 m, Newfoundland) |
8 |
|
| Billings Logan Intl. Airport (1088 m, Montana) |
6 |
>2500m |
| Brookings Regional Airport (502 m, South Dakota) |
8 |
|
| Northwest Alabama Regional Airport (168 m, Alabama) |
8 |
|
| Twentynine Palms Airport (626 m, California) |
0 |
|
| Dawson Creek Airport (655 m, British Columbia) |
0 |
>2500m |
| Lytton (225 m, British Columbia) |
0 |
>2500m |
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
8 |
1500-2000m |
| Yarmouth Airport (46 m, Nova Scotia) |
2 |
600-1000m |
| Huron Airport (393 m, South Dakota) |
8 |
200-300m |
| Lloydminster Airport (669 m, Alberta) |
0 |
>2500m |
| Naval Air Station Oceana (7 m, Virginia) |
8 |
|
| Bowman Field (167 m, Kentucky) |
8 |
|
| Gillette (1230 m, Wyoming) |
0 |
|
| Hill Air Force Base (1459 m, Utah) |
0 |
|
| Columbus Airport (200 m, Indiana) |
8 |
|
| St. Charles (133 m, Missouri) |
4 |
|
| Louisville Intl. Airport (149 m, Kentucky) |
8 |
300-600m |
| Posey Field (284 m, Alabama) |
8 |
|
| Chattanooga Metropolitan Airport (210 m, Tennessee) |
4 |
600-1000m |
| Dayton Intl. Airport (306 m, Ohio) |
8 |
>2500m |
| Linton Airport (542 m, North Dakota) |
6 |
|
| Sandberg Airport (1379 m, California) |
0 |
>2500m |
| Cando Airport (450 m, North Dakota) |
8 |
|
| Norfolk Intl. Airport (9 m, Virginia) |
8 |
600-1000m |
| Port Hawkesbury Airport (114 m, Nova Scotia) |
7 |
600-1000m |
| John H. Batten Airport (205 m, Wisconsin) |
2 |
|
| Fayetteville Airport (300 m, Tennessee) |
8 |
|
| Cleveland Regional Jetport (262 m, Tennessee) |
8 |
|
| Barkley Regional Airport (126 m, Kentucky) |
8 |
300-600m |
| Springfield- Beckley Airport (323 m, Ohio) |
0 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
6 |
>2500m |
| Quonset State Airport (6 m, Rhode Island) |
2 |
|
| Natashquan Airport (11 m, Quebec) |
8 |
600-1000m |
| Naval Station Norfolk (5 m, Virginia) |
8 |
|
| Newport State Airport (52 m, Rhode Island) |
0 |
|
| Devils Lake Regional Airport (443 m, North Dakota) |
8 |
|
| Norway House Airport (223 m, Manitoba) |
8 |
300-600m |
| Dauphin Airport (305 m, Manitoba) |
7 |
2000-2500m |
| La Veta Pass (3114 m, Colorado) |
0 |
|
| Anniston Regional Airport (186 m, Alabama) |
6 |
|
| Havre-Saint-Pierre (34 m, Quebec) |
6 |
|
| Wright-Patterson Air Force Base (251 m, Ohio) |
8 |
|
| Logan Intl. Airport (9 m, Massachusetts) |
2 |
>2500m |
| Evansville Airport (118 m, Indiana) |
8 |
600-1000m |
| Henderson (117 m, Kentucky) |
8 |
|
| Wabush Airport (551 m, Newfoundland) |
8 |
300-600m |
| Montreal Airport Trudeau (34 m, Quebec) |
1 |
600-1000m |
| Naval Air Station Patuxent River (14 m, Maryland) |
6 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
8 |
300-600m |
| Nantucket Memorial Airport (13 m, Massachusetts) |
0 |
|
| Lawrenceville- Vincennes Intl. Airport (131 m, Illinois) |
6 |
|
| Indianapolis Mount Comfort (263 m, Indiana) |
0 |
|
| Lake Cumberland Regional Airport (283 m, Kentucky) |
8 |
|
| Elbow Lake (367 m, Minnesota) |
8 |
|
| Long (30 m, New York) |
2 |
|
| Francis S. Gabreski Airport (20 m, New York) |
0 |
|
| Grand Forks Air Force Base (276 m, North Dakota) |
8 |
|
| Fulton County Airport (256 m, Georgia) |
8 |
|
| Allen Army Airfield (391 m, Alaska) |
0 |
>2500m |
| Westover Metropolitan Airport (75 m, Massachusetts) |
2 |
|
| Beverly Regional Airport (33 m, Massachusetts) |
2 |
|
| Concord Airport (105 m, New Hampshire) |
0 |
>2500m |
| North Las Vegas Airport (671 m, Nevada) |
0 |
|
| Westfield-Barnes Regional Airport (83 m, Massachusetts) |
0 |
|
| Imperial (997 m, Nebraska) |
0 |
|
| McCook Ben Nelson Regional Airport (786 m, Nebraska) |
6 |
|
| O'Neill Airport (619 m, Nebraska) |
0 |
|
| Fremont Airport (379 m, Nebraska) |
8 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
8 |
|
| Kearney Regional Airport (649 m, Nebraska) |
8 |
|
| North Platte Regional Airport (849 m, Nebraska) |
6 |
>2500m |
| Selfridge Air National Guard Base (177 m, Michigan) |
6 |
|
| Henry County Airport (177 m, Tennessee) |
8 |
|
| St. Louis Lambert Intl. Airport (172 m, Missouri) |
6 |
1000-1500m |
| Ortonville (335 m, Minnesota) |
8 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
0 |
|
| Madison (330 m, Minnesota) |
8 |
|
| Crookston Airport (273 m, Minnesota) |
4 |
|
| Jackson Airport (441 m, Minnesota) |
8 |
|
| Fairmont Airport (354 m, Minnesota) |
8 |
|
| Pipestone Airport (529 m, Minnesota) |
8 |
|
| Duluth Airport (432 m, Minnesota) |
0 |
>2500m |
| Morris Airport (344 m, Minnesota) |
8 |
|
| Fergus Falls Airport (361 m, Minnesota) |
8 |
|
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
8 |
|
| Laughlin/Bullhead Intl. Airport (167 m, Arizona) |
0 |
|
| Mary's Harbour Airport (12 m, Newfoundland) |
8 |
|
| Pickle Lake(Man) (386 m, Ontario) |
6 |
|
| Kingston Arpt (Man) (93 m, Ontario) |
2 |
|
| Pickle Lake Airport (391 m, Ontario) |
6 |
|
| Naujaat Airport (24 m, Nunavut) |
6 |
|
| Sanikiluaq Airport (32 m, Nunavut) |
2 |
|
| Pelly Bay AP (15 m, Nunavut) |
6 |
|
| Frobisher/Iqaluit AP (34 m, Nunavut) |
6 |
|
| Shearwater AP (51 m, Nova Scotia) |
2 |
|
| Makkovik Airport (71 m, Newfoundland) |
8 |
|
| Prince Rupert Airport (36 m, British Columbia) |
8 |
|
| Groton (3 m, Connecticut) |
0 |
|
| Dover Air Force Base (9 m, Delaware) |
6 |
|
| Delaware Coastal Airport (16 m, Delaware) |
6 |
|
| Port Heiden Airport (29 m, Alaska) |
8 |
300-600m |
| Saint-Hubert Airport (28 m, Quebec) |
0 |
>2500m |
| Big Trout Lake (222 m, Ontario) |
7 |
>2500m |
| Kenora Airport (406 m, Ontario) |
8 |
600-1000m |
| Atlanta Airport (315 m, Georgia) |
8 |
300-600m |
| Baker Lake Airport (18 m, Nunavut) |
5 |
1000-1500m |
| DeKalb- Peachtree Airport (305 m, Georgia) |
8 |
|
| Taloyoak Airport (28 m, Nunavut) |
5 |
600-1000m |
| Spence Bay AP (28 m, Nunavut) |
6 |
|
| Sydney Airport (72 m, Nova Scotia) |
3 |
600-1000m |
| Norman Wells (78 m, Northwest Territories) |
8 |
300-600m |
| Hay River Airport (170 m, Northwest Territories) |
7 |
1500-2000m |
| Saint John Airport (111 m, New Brunswick) |
5 |
600-1000m |
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Moncton Airport (71 m, New Brunswick) |
7 |
300-600m |
| University of Illinois Willard Airport (230 m, Illinois) |
0 |
|
| Decatur Airport (208 m, Illinois) |
0 |
|
| Flora (144 m, Illinois) |
6 |
|
| Prince Rupert (35 m, British Columbia) |
8 |
600-1000m |
| Taylorville Airport (190 m, Illinois) |
0 |
|
| Fort Wayne Intl. Airport (252 m, Indiana) |
6 |
>2500m |
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
7 |
300-600m |
| Delaware (286 m, Indiana) |
0 |
|
| Shelbyville Airport (245 m, Indiana) |
0 |
|
| Purdue University Airport (182 m, Indiana) |
0 |
|
| Kokomo Airport (253 m, Indiana) |
0 |
|
| Auburn University Regional Airport (236 m, Alabama) |
8 |
|
| Terrace Airport (217 m, British Columbia) |
8 |
300-600m |
| Fort St. John AP (695 m, British Columbia) |
2 |
>2500m |
| Sable Island (1 m, Nova Scotia) |
2 |
600-1000m |
| Big Sandy Regional Airport (372 m, Kentucky) |
8 |
|
| Hulett Airport (1300 m, Wyoming) |
4 |
|
| Dubois Airport (2224 m, Wyoming) |
0 |
|
| Spencer Airport (408 m, Iowa) |
8 |
|
| Walhalla Airport (291 m, North Dakota) |
0 |
|
| Mandan Airport (593 m, North Dakota) |
2 |
|
| Rolla Airport (556 m, North Dakota) |
8 |
|
| McHenry Airport (894 m, Maryland) |
4 |
|
| Cavalier Airport (270 m, North Dakota) |
8 |
|
| Scottsboro Airport (198 m, Alabama) |
8 |
|
| Isbell Field (267 m, Alabama) |
8 |
|
| Sheridan Airport (1209 m, Wyoming) |
0 |
>2500m |
| Cheyenne Regional Airport (1872 m, Wyoming) |
2 |
>2500m |
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
4 |
600-1000m |
| Wheeling Ohio (365 m, West-Virginia) |
0 |
|
| Williamsburg Intl. Airport (13 m, Virginia) |
8 |
|
| Langley Air Force Base (6 m, Virginia) |
8 |
|
| Richmond Intl. Airport (54 m, Virginia) |
8 |
1000-1500m |
| Burlington Intl. Airport (104 m, Vermont) |
4 |
1000-1500m |
| Crossville Airport (569 m, Tennessee) |
8 |
|
| Memphis Airport (87 m, Tennessee) |
6 |
2000-2500m |
| Mitchell Airport (397 m, South Dakota) |
6 |
|
| Dodge City Regional Airport (790 m, Kansas) |
0 |
>2500m |
| Watertown Regional Airport (532 m, South Dakota) |
8 |
|
| Sioux Falls Regional Airport (435 m, South Dakota) |
8 |
100-200m |
| Pocono Mountains Airport (584 m, Pennsylvania) |
0 |
|
| Wilmington Airport (326 m, Pennsylvania) |
0 |
|
| Mansfield Lahm Regional Airport (395 m, Ohio) |
0 |
|
| Owensboro (124 m, Kentucky) |
8 |
|
| Godman Army Airfield (239 m, Kentucky) |
8 |
|
| Westchester (121 m, New York) |
0 |
|
| Massena Intl. Airport (65 m, New York) |
0 |
|
| Knox County Regional Airport (17 m, Maine) |
0 |
|
| LaGuardia Airport (9 m, New York) |
4 |
>2500m |
| John F. Kennedy Intl. Airport (7 m, New York) |
4 |
1000-1500m |
| Baltimore Airport (47 m, Maryland) |
8 |
>2500m |
| Ocean (4 m, Maryland) |
6 |
|
| McGuire Air Force Base (41 m, New Jersey) |
0 |
|
| Miller Field Airport (792 m, Nebraska) |
8 |
2000-2500m |
| Coleman A. Young Intl. Airport (191 m, Michigan) |
0 |
|
| Monroe County Airport (258 m, Indiana) |
6 |
|
| Eagle Creek Airpark Airport (250 m, Indiana) |
0 |
|
| Broken Bow Airport (776 m, Nebraska) |
8 |
|
| Grissom Air Reserve Base (247 m, Indiana) |
8 |
|
| Terre Haute Regional Airport (175 m, Indiana) |
0 |
|
| Capital City Airport (245 m, Kentucky) |
8 |
|
| Joint Base Andrews (88 m, Maryland) |
0 |
|
| Porter (234 m, Indiana) |
0 |
|
| SwiftCurrent (820 m, Saskatchewan) |
0 |
>2500m |
| Sioux Gateway Airport (336 m, Iowa) |
8 |
300-600m |
| Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) |
2 |
1500-2000m |
| Albany Airport (89 m, New York) |
2 |
300-600m |
| Tweed New Haven Airport (4 m, Connecticut) |
4 |
|
| Show Low Regional Airport (1954 m, Arizona) |
0 |
|
| Clayton Municipal Airpark (1515 m, New Mexico) |
0 |
>2500m |
| Brewster Field Arpt (704 m, Nebraska) |
8 |
|
| Bowling Green (160 m, Kentucky) |
8 |
|
| Hartford Airport (6 m, Connecticut) |
0 |
|
| Northeast Alabama Regional Airport (173 m, Alabama) |
8 |
|
| Southeast Iowa Regional Airport (210 m, Iowa) |
0 |
|
| Burwash Landing Airport (807 m, Yukon) |
8 |
>2500m |
| Baie-Comeau Airport (22 m, Quebec) |
8 |
600-1000m |
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Ely Airport (1909 m, Nevada) |
0 |
>2500m |
| Cuyahoga County Airport (268 m, Ohio) |
6 |
|
| Sikeston Airport (96 m, Missouri) |
8 |
|
| Matagami (280 m, California) |
8 |
100-200m |
| Fleming-Mason Airport (278 m, Kentucky) |
8 |
|
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
8 |
1000-1500m |
| Lebanon-Springfield Airport (264 m, Kentucky) |
8 |
|
| Stanton County Airport (1013 m, Kansas) |
0 |
|
| Tuscaloosa National Airport (52 m, Alabama) |
8 |
|
| Frankfort Airport (262 m, Indiana) |
8 |
|
| Newport (73 m, Arkansas) |
2 |
|
| Akron- Canton Airport (377 m, Ohio) |
8 |
>2500m |
| Fort Bridger Airport (2145 m, Wyoming) |
0 |
|
| Slave Lake Airport (583 m, Alberta) |
4 |
|
| Brookneal (182 m, Virginia) |
8 |
|
| Alert Airport (31 m, Nunavut) |
8 |
|
| Tonopah Airport (1654 m, Nevada) |
0 |
|
| Chibougamau-Chapais AP (387 m, Quebec) |
6 |
|
| Goose (49 m, Newfoundland) |
8 |
300-600m |
| Savannah-hardin County (144 m, Tennessee) |
8 |
|
| London Madison County Airport (330 m, Ohio) |
0 |
|
| Fulton County Airport (238 m, Ohio) |
0 |
|
| Cincinnati West Airport (178 m, Ohio) |
4 |
|
| Plymouth Airport (45 m, Massachusetts) |
0 |
|
| Jamestown Regional Airport (454 m, North Dakota) |
8 |
|
| Otis Air National Guard Base (40 m, Massachusetts) |
0 |
|
| Churchill Falls Airport (435 m, Newfoundland) |
8 |
|
| Rutherfordton (329 m, North Carolina) |
8 |
|
| Harvey Airport (487 m, North Dakota) |
0 |
|
| Asheville Regional Airport (661 m, North Carolina) |
8 |
600-1000m |
| Omaha/Eppley Field AP (299 m, Nebraska) |
4 |
300-600m |
| Folsom Field (294 m, Alabama) |
8 |
|
| Crosby Airport (594 m, North Dakota) |
0 |
|
| Regina Airport (577 m, Saskatchewan) |
2 |
|
| Charlotte Douglas Intl. Airport (234 m, North Carolina) |
8 |
100-200m |
| Moose Jaw (577 m, Saskatchewan) |
2 |
|
| Atlantic City Airport (20 m, New Jersey) |
0 |
>2500m |
| Swift Current Airport (818 m, Saskatchewan) |
0 |
|
| Davis (808 m, Arizona) |
0 |
|
| Naval Air Weapons Station China Lake (696 m, California) |
6 |
|
| Brookhaven Airport (25 m, New York) |
0 |
|
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