| Stations: 2470
|
Cloud Cover |
Cloud Base |
| Boone Airport (354 m, Iowa) |
8 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
4 |
|
| Clarion Airport (354 m, Iowa) |
0 |
|
| Naval Air Station Key West (2 m, Florida) |
2 |
|
| Cold Bay Airport (31 m, Alaska) |
6 |
600-1000m |
| Goose (49 m, Newfoundland) |
6 |
600-1000m |
| Salina Regional Airport (385 m, Kansas) |
6 |
|
| Lac de Gras (469 m, Northwest Territories) |
8 |
|
| Kangiqsualujjuaq Airport (60 m, Quebec) |
6 |
|
| Port Heiden Airport (29 m, Alaska) |
8 |
1500-2000m |
| Atlantic Airport (360 m, Iowa) |
8 |
|
| Hay River Airport (170 m, Northwest Territories) |
8 |
300-600m |
| Creech Air Force Base Airport (951 m, Nevada) |
4 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Puvirnituq (23 m, Quebec) |
2 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
7 |
100-200m |
| Fort Lauderdale (7 m, Florida) |
4 |
|
| Tekamah (Asos) (312 m, Nebraska) |
6 |
|
| Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) |
8 |
300-600m |
| Key West Airport (5 m, Florida) |
2 |
600-1000m |
| Gander Airport (151 m, Newfoundland) |
6 |
300-600m |
| Fort Dodge Regional Airport (355 m, Iowa) |
4 |
|
| Juneau Intl. Airport (7 m, Alaska) |
8 |
200-300m |
| Stephenville Intl. Airport (9 m, Newfoundland) |
7 |
100-200m |
| Kodiak Airport (34 m, Alaska) |
8 |
300-600m |
| Natashquan Airport (11 m, Quebec) |
0 |
>2500m |
| Norfolk Regional Airport (473 m, Nebraska) |
0 |
>2500m |
| Baie-Comeau Airport (22 m, Quebec) |
0 |
>2500m |
| Arviat (10 m, Nunavut) |
7 |
1000-1500m |
| Omaha/Eppley Field AP (299 m, Nebraska) |
2 |
|
| Havre-Saint-Pierre (34 m, Quebec) |
2 |
|
| Columbus Airport (440 m, Nebraska) |
0 |
|
| Russell Airport (566 m, Kansas) |
0 |
|
| Hays Regional Airport (609 m, Kansas) |
0 |
|
| Churchill Airport (29 m, Manitoba) |
8 |
50-100m |
| Brevoort Island Airport (376 m, Nunavut) |
0 |
>2500m |
| Roberval Airport (187 m, Quebec) |
4 |
600-1000m |
| Magdalen Islands Airport (18 m, Quebec) |
0 |
0-50m |
| Big Trout Lake (222 m, Ontario) |
0 |
>2500m |
| L. M. Clayton Airport (605 m, Montana) |
0 |
|
| Palm Beach Intl. Airport (6 m, Florida) |
4 |
600-1000m |
| Sydney Airport (72 m, Nova Scotia) |
2 |
300-600m |
| Moncton Airport (71 m, New Brunswick) |
1 |
>2500m |
| Deer Lake Airport (29 m, Newfoundland) |
8 |
300-600m |
| Saint John's AP (135 m, Newfoundland) |
8 |
100-200m |
| Tinker Air Force Base (384 m, Oklahoma) |
0 |
|
| Patrick Space Force Base (3 m, Florida) |
0 |
|
| Pierre Regional Airport (528 m, South Dakota) |
6 |
|
| Fort Lauderdale Airport (4 m, Florida) |
0 |
|
| Homestead Air Reserve Base (2 m, Florida) |
0 |
|
| Newton Airport (290 m, Iowa) |
6 |
|
| Kugluktuk Airport (23 m, Northwest Territories) |
8 |
50-100m |
| Clarinda (303 m, Iowa) |
8 |
|
| Southeast Iowa Regional Airport (210 m, Iowa) |
8 |
|
| Miami-Opa Locka Executive Airport (3 m, Florida) |
0 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
0 |
|
| Pompano Beach Airport (7 m, Florida) |
4 |
|
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
8 |
0-50m |
| Stanton County Airport (1013 m, Kansas) |
0 |
|
| Linton Airport (542 m, North Dakota) |
6 |
|
| Lincoln Airport (362 m, Nebraska) |
0 |
>2500m |
| La Junta Airport (1278 m, Colorado) |
6 |
|
| Mont-Joli Airport (54 m, Quebec) |
4 |
>2500m |
| Blosser Airport (452 m, Kansas) |
0 |
>2500m |
| Dodge City Regional Airport (790 m, Kansas) |
0 |
>2500m |
| Converse (1502 m, Wyoming) |
0 |
|
| Sanikiluaq Airport (32 m, Nunavut) |
8 |
|
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
0 |
|
| Hill (666 m, Kansas) |
0 |
|
| Cut Bank Airport (1169 m, Montana) |
0 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Hill Air Force Base (1459 m, Utah) |
0 |
|
| Milford Municipal (1536 m, Utah) |
0 |
>2500m |
| Yuma Intl. Airport (65 m, Arizona) |
0 |
|
| Powell Airport (1552 m, Wyoming) |
0 |
|
| Creston (394 m, Iowa) |
8 |
|
| El Reno (432 m, Oklahoma) |
0 |
|
| Liberal Mid-America Regional Airport (879 m, Kansas) |
0 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
6 |
|
| Miami Executive Airport (3 m, Florida) |
0 |
|
| Waco Regional Airport (155 m, Texas) |
0 |
>2500m |
| Shenandoah Muni (296 m, Iowa) |
8 |
|
| Wekweètì Airport (368 m, Northwest Territories) |
8 |
|
| Cartwright Airport (15 m, Newfoundland) |
8 |
100-200m |
| Napa Airport (10 m, California) |
8 |
|
| Dansville Airport (201 m, New York) |
2 |
|
| Ogden-Hinckley Airport (1362 m, Utah) |
0 |
|
| Friedman Memorial Airport (1620 m, Idaho) |
0 |
|
| Yampa Valley Airport (2012 m, Colorado) |
0 |
|
| Saint-Hubert Airport (28 m, Quebec) |
0 |
>2500m |
| Algona Airport (372 m, Iowa) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
4 |
|
| North Perry Airport (3 m, Florida) |
4 |
|
| Crosby Airport (594 m, North Dakota) |
0 |
|
| Prince Rupert (35 m, British Columbia) |
8 |
1000-1500m |
| Ottumwa Regional Airport (256 m, Iowa) |
8 |
|
| Sacramento Intl. Airport (7 m, California) |
4 |
|
| Waterloo Regional Airport (268 m, Iowa) |
6 |
>2500m |
| Sioux Gateway Airport (336 m, Iowa) |
8 |
1500-2000m |
| Laughlin Air Force Base (327 m, Texas) |
2 |
|
| Miami Intl. Airport (4 m, Florida) |
2 |
600-1000m |
| Burwash Landing Airport (807 m, Yukon) |
2 |
>2500m |
| Dawson Community Airport (749 m, Montana) |
0 |
|
| Abilene Airport (546 m, Texas) |
0 |
>2500m |
| Prince Rupert Airport (36 m, British Columbia) |
8 |
|
| MacDill Air Force Base (4 m, Florida) |
2 |
|
| Kuujjuaq Airport (44 m, Quebec) |
5 |
300-600m |
| Bathurst Arpt(Awrs) (59 m, New Brunswick) |
8 |
|
| Charlottetown Airport (79 m, Prince Edward Island) |
0 |
0-50m |
| Annette Island Airport (110 m, Alaska) |
8 |
200-300m |
| Ft Severn (15 m, Ontario) |
4 |
1000-1500m |
| Ingenika Point (680 m, British Columbia) |
8 |
|
| Albert Whitted Airport (2 m, Florida) |
2 |
|
| Beresford Airport (59 m, New Brunswick) |
8 |
>2500m |
| Bethel Airport (44 m, Alaska) |
0 |
>2500m |
| Naval Air Station Lemoore (73 m, California) |
0 |
|
| King Salmon Airport (14 m, Alaska) |
6 |
1000-1500m |
| Tonopah Airport (1654 m, Nevada) |
0 |
|
| Flagstaff/Belemont (2181 m, Arizona) |
0 |
>2500m |
| Buffalo Airport (1514 m, Wyoming) |
0 |
|
| Topeka Regional Airport (325 m, Kansas) |
0 |
|
| Omak Airport (382 m, Washington) |
0 |
|
| Churchill Falls Airport (435 m, Newfoundland) |
8 |
|
| Rankin Inlet Airport (29 m, Nunavut) |
3 |
>2500m |
| Colorado Springs Airport (1881 m, Colorado) |
2 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
8 |
|
| Fairfield Airport (244 m, Iowa) |
8 |
|
| Spencer Airport (408 m, Iowa) |
0 |
|
| Melbourne Orlando Intl. Airport (10 m, Florida) |
0 |
|
| Tucson Intl. Airport (779 m, Arizona) |
0 |
>2500m |
| Kingston Arpt (Man) (93 m, Ontario) |
6 |
|
| Clovis Airport (1284 m, New Mexico) |
8 |
|
| Clyde AP (27 m, Nunavut) |
7 |
300-600m |
| Lloydminster Airport (669 m, Alberta) |
0 |
>2500m |
| Kansas City Intl. Airport (313 m, Missouri) |
6 |
>2500m |
| Oakland Intl. Airport (6 m, California) |
8 |
|
| Key Lake Airport (514 m, Saskatchewan) |
8 |
600-1000m |
| Newton (467 m, Kansas) |
4 |
|
| Sable Island (1 m, Nova Scotia) |
0 |
>2500m |
| North Bay (370 m, Ontario) |
4 |
1000-1500m |
| Boca Raton Airport (4 m, Florida) |
4 |
|
| Florida Keys Marathon Airport (2 m, Florida) |
2 |
|
| Buchanan Field Airport (7 m, California) |
8 |
|
| Four Corners Regional Airport (1677 m, New Mexico) |
0 |
|
| Shively Field Airport (2138 m, Wyoming) |
0 |
|
| Dubois Airport (2224 m, Wyoming) |
0 |
|
| Mineral Wells Airport (296 m, Texas) |
0 |
|
| Naval Air Station Joint Reserve Base Fo (198 m, Texas) |
0 |
|
| Del Rio Intl. Airport (314 m, Texas) |
8 |
600-1000m |
| Wichita Falls Regional Airport (314 m, Texas) |
0 |
>2500m |
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
8 |
2000-2500m |
| Chamberlain (530 m, South Dakota) |
6 |
|
| Philip Airport (673 m, South Dakota) |
8 |
|
| Pine Ridge Airport (1015 m, South Dakota) |
8 |
|
| Allegheny (382 m, Pennsylvania) |
2 |
|
| Venango Regional Airport (469 m, Pennsylvania) |
0 |
|
| Crater Lake (1244 m, Oregon) |
0 |
|
| Burns Airport (1271 m, Oregon) |
0 |
>2500m |
| Eugene Airport (114 m, Oregon) |
0 |
>2500m |
| Guthrie Airport (327 m, Oklahoma) |
0 |
|
| Hobart Regional Airport (478 m, Oklahoma) |
0 |
|
| Will Rogers World Airport (398 m, Oklahoma) |
2 |
>2500m |
| Devils Lake Regional Airport (443 m, North Dakota) |
4 |
|
| Penn Yan Airport (275 m, New York) |
0 |
|
| Spence Bay AP (28 m, Nunavut) |
4 |
|
| Massena Intl. Airport (65 m, New York) |
0 |
|
| Niagara Falls Intl. Airport (180 m, New York) |
8 |
|
| Greater Rochester Intl. Airport (169 m, New York) |
4 |
2000-2500m |
| John F. Kennedy Intl. Airport (7 m, New York) |
6 |
>2500m |
| Alamogordo (1279 m, New Mexico) |
8 |
|
| Portsmouth International Airport at Pea (31 m, New Hampshire) |
6 |
|
| Hall Beach Airport (7 m, Nunavut) |
6 |
|
| Ely Airport (1909 m, Nevada) |
0 |
>2500m |
| Kimball Airport (1501 m, Nebraska) |
0 |
|
| Hastings Airport (596 m, Nebraska) |
0 |
|
| Beatrice Municipal (403 m, Nebraska) |
4 |
|
| Miller Field Airport (792 m, Nebraska) |
not detectable |
50-100m |
| Malmstrom Air Force Base (1056 m, Montana) |
0 |
|
| Worcester Airport (308 m, Massachusetts) |
0 |
|
| Great Falls Intl. Airport (1116 m, Montana) |
0 |
|
| Dillon Airport (1597 m, Montana) |
0 |
|
| Lewistown Airport (1263 m, Montana) |
0 |
|
| Havre (792 m, Montana) |
0 |
>2500m |
| Charles B. Wheeler Downtown Airport (226 m, Missouri) |
0 |
|
| Whiteman Air Force Base (255 m, Missouri) |
4 |
|
| Rolla National Airport (335 m, Missouri) |
0 |
|
| Sedalia Regional Airport (277 m, Missouri) |
0 |
|
| Joplin Regional Airport (297 m, Missouri) |
0 |
|
| Worthington (480 m, Minnesota) |
8 |
|
| Fairmont Airport (354 m, Minnesota) |
0 |
|
| Wabush Airport (551 m, Newfoundland) |
7 |
300-600m |
| Redwood Falls Muni (312 m, Minnesota) |
6 |
|
| Houghton (327 m, Michigan) |
0 |
|
| Mary's Harbour Airport (12 m, Newfoundland) |
8 |
|
| Gillam Airport (146 m, Manitoba) |
7 |
300-600m |
| Denver Intl. Airport (1656 m, Colorado) |
6 |
>2500m |
| Pincher Creek (1190 m, Alberta) |
0 |
|
| United States Air Force Academy (1999 m, Colorado) |
0 |
|
| Buckley Space Force Base (1726 m, Colorado) |
6 |
|
| Val-d'Or (337 m, California) |
8 |
600-1000m |
| Qikiqtarjuaq (6 m, Nunavut) |
8 |
200-300m |
| Lamar Airport (1129 m, Colorado) |
0 |
|
| Montrose Airport (1755 m, Colorado) |
0 |
|
| Kit Carson County Airport (1285 m, Colorado) |
0 |
|
| Aspen/Pitkin (2384 m, Colorado) |
0 |
|
| Orlando Intl. Airport (32 m, Florida) |
2 |
>2500m |
| La Grande Rivière Airport (195 m, Quebec) |
8 |
50-100m |
| Southwest Florida Intl. Airport (9 m, Florida) |
2 |
|
| St. Pete (3 m, Florida) |
4 |
|
| Sarasota (9 m, Florida) |
0 |
|
| Naples Airport (3 m, Florida) |
0 |
|
| Nipawin Airport (374 m, Saskatchewan) |
4 |
>2500m |
| Estevan Airport (584 m, Saskatchewan) |
6 |
>2500m |
| Schefferville (517 m, Quebec) |
8 |
200-300m |
| San Angelo Regional Airport (582 m, Texas) |
0 |
>2500m |
| Dryden Airport (413 m, Ontario) |
0 |
>2500m |
| Englehart Airport (243 m, Ontario) |
4 |
>2500m |
| Moosonee (9 m, Ontario) |
0 |
>2500m |
| Wiarton Airport (223 m, Ontario) |
6 |
>2500m |
| Erie Intl. Airport (225 m, Pennsylvania) |
0 |
>2500m |
| Timmins Victor M. Power Airport (295 m, Ontario) |
3 |
300-600m |
| Idaho Falls Regional Airport (1441 m, Idaho) |
4 |
|
| Rowley Island (41 m, Nunavut) |
0 |
>2500m |
| Taloyoak Airport (28 m, Nunavut) |
3 |
>2500m |
| Gjoa Haven Airport (46 m, Nunavut) |
0 |
>2500m |
| Resolute AP (67 m, Nunavut) |
8 |
600-1000m |
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
6 |
1500-2000m |
| Baker Lake Airport (18 m, Nunavut) |
3 |
>2500m |
| Quad Cities Intl. Airport (181 m, Illinois) |
8 |
200-300m |
| Great Falls (1131 m, Montana) |
0 |
>2500m |
| Midway Intl. Airport (190 m, Illinois) |
8 |
|
| Yarmouth Airport (46 m, Nova Scotia) |
0 |
>2500m |
| Coles (220 m, Illinois) |
0 |
|
| Greenwood (28 m, Nova Scotia) |
0 |
>2500m |
| Cape Peel West (165 m, Northwest Territories) |
8 |
600-1000m |
| Greater Kankakee Airport (192 m, Illinois) |
0 |
|
| Tadoule Lake (281 m, Manitoba) |
8 |
100-200m |
| The Pas Airport (270 m, Manitoba) |
4 |
1000-1500m |
| Porter (234 m, Indiana) |
0 |
|
| Davenport Airport (259 m, Iowa) |
6 |
|
| Eastern Iowa Airport (256 m, Iowa) |
8 |
|
| Marshall Town Muni (296 m, Iowa) |
6 |
|
| Ames Airport (291 m, Iowa) |
8 |
|
| Clinton Airport (216 m, Iowa) |
8 |
|
| Keokuk Airport (205 m, Iowa) |
8 |
|
| Fort Madison (221 m, Iowa) |
8 |
|
| Le Mars Airport (365 m, Iowa) |
8 |
|
| Muscatine Airport (167 m, Iowa) |
8 |
|
| Red Oak Airport (318 m, Iowa) |
8 |
|
| Sheldon (432 m, Iowa) |
8 |
|
North - South