| Stations: 2846
|
Cloud Cover |
Cloud Base |
| Altus Air Force Base (413 m, Oklahoma) |
6 |
|
| Dewar Lakes AP (488 m, Nunavut) |
0 |
>2500m |
| Sandberg Airport (1379 m, California) |
0 |
|
| Resolute AP (67 m, Nunavut) |
8 |
300-600m |
| Kearney Regional Airport (649 m, Nebraska) |
0 |
|
| Tracy Airport (408 m, Minnesota) |
0 |
|
| Palmdale Regional Airport (774 m, California) |
0 |
|
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
2 |
|
| Naval Air Facility El Centro (-13 m, California) |
0 |
|
| Alamogordo (1279 m, New Mexico) |
0 |
|
| Hutchinson Airport (462 m, Kansas) |
6 |
|
| Pampa (989 m, Texas) |
0 |
|
| Clarence E. Page Airport (413 m, Oklahoma) |
8 |
|
| Sierra Blanca Regional Airport (2076 m, New Mexico) |
2 |
|
| Wayne Airport (436 m, Nebraska) |
0 |
|
| Tinker Air Force Base (384 m, Oklahoma) |
8 |
|
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
8 |
|
| Niagara Falls Intl. Airport (180 m, New York) |
8 |
|
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
0 |
|
| Chautauqua (525 m, New York) |
8 |
|
| Hutchinson (931 m, Texas) |
0 |
|
| Baie-Comeau Airport (22 m, Quebec) |
8 |
600-1000m |
| Norfolk Regional Airport (473 m, Nebraska) |
0 |
|
| Aurora Airport (548 m, Nebraska) |
6 |
|
| Hat Isl. (36 m, Nunavut) |
2 |
1500-2000m |
| Perryton Airport (889 m, Texas) |
0 |
|
| Rawlins Airport (2077 m, Wyoming) |
0 |
|
| York Airport (509 m, Nebraska) |
8 |
|
| Coast Guard Air Station Port Angeles (4 m, Washington) |
4 |
|
| Somerset County Airport (693 m, Pennsylvania) |
8 |
|
| Peterborough (191 m, Ontario) |
8 |
300-600m |
| Englehart Airport (243 m, Ontario) |
8 |
300-600m |
| Pratt Regional Airport (595 m, Kansas) |
0 |
|
| Blosser Airport (452 m, Kansas) |
6 |
|
| Jacqueline Cochran Regional Airport (-36 m, California) |
0 |
|
| Havre-Saint-Pierre (34 m, Quebec) |
8 |
|
| El Paso Intl. Airport (1194 m, Texas) |
6 |
1500-2000m |
| Imperial County AP (-17 m, California) |
0 |
|
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
0 |
>2500m |
| Billings Logan Intl. Airport (1088 m, Montana) |
6 |
>2500m |
| Edwards Air Force Base (705 m, California) |
0 |
|
| Mont-Joli Airport (54 m, Quebec) |
8 |
300-600m |
| Biggs Army Airfield (1204 m, Texas) |
8 |
|
| Havre-Saint-Pierre (37 m, Quebec) |
8 |
>2500m |
| Hereford Airport (1154 m, Texas) |
0 |
|
| Crookston Airport (273 m, Minnesota) |
0 |
|
| Worthington (480 m, Minnesota) |
0 |
|
| Watonga Regional Airport (472 m, Oklahoma) |
0 |
|
| Watertown Intl. Airport (99 m, New York) |
8 |
|
| Elkins/Randolph Field AP (609 m, West-Virginia) |
8 |
|
| Toronto Islands Airport (77 m, Ontario) |
8 |
600-1000m |
| Pecos Airport (796 m, Texas) |
0 |
|
| Sky Harbor Airport & Seaplane Base (186 m, Minnesota) |
8 |
|
| Lytton (225 m, British Columbia) |
0 |
>2500m |
| Hermiston Airport (195 m, Oregon) |
0 |
|
| Mission Field (1418 m, Montana) |
0 |
|
| Natashquan Airport (11 m, Quebec) |
8 |
>2500m |
| Colonel James Jabara Airport (433 m, Kansas) |
8 |
|
| Enid Woodring Regional Airport (356 m, Oklahoma) |
8 |
|
| Gage Airport (667 m, Oklahoma) |
0 |
|
| Moore County Airport (1129 m, Texas) |
0 |
|
| Ephrata Airport (383 m, Washington) |
0 |
|
| Afton Airport (1896 m, Wyoming) |
8 |
|
| Johnstown (696 m, Pennsylvania) |
8 |
|
| Fort Dodge Regional Airport (355 m, Iowa) |
0 |
|
| Churchill Falls (440 m, California) |
8 |
>2500m |
| Bradford Airport (653 m, Pennsylvania) |
8 |
|
| Greater Rochester Intl. Airport (169 m, New York) |
8 |
|
| Guymon Airport (952 m, Oklahoma) |
0 |
|
| Erie Intl. Airport (225 m, Pennsylvania) |
8 |
|
| Corvallis Airport (75 m, Oregon) |
0 |
|
| Leesburg Executive Airport (119 m, Virginia) |
4 |
|
| Mitchell Airport (397 m, South Dakota) |
6 |
|
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Sioux Falls Regional Airport (435 m, South Dakota) |
0 |
|
| Eureka Airport (11 m, Nunavut) |
8 |
100-200m |
| Hastings Airport (596 m, Nebraska) |
8 |
|
| Odessa Airport (902 m, Texas) |
0 |
|
| Kickapoo Downtown Airport (304 m, Texas) |
0 |
|
| Broken Bow Airport (776 m, Nebraska) |
0 |
|
| Lytton Airport (225 m, British Columbia) |
0 |
|
| Willoughby (191 m, Ohio) |
4 |
|
| Avenger Field (725 m, Texas) |
0 |
|
| Saint John's AP (135 m, Newfoundland) |
8 |
300-600m |
| Fosston (388 m, Minnesota) |
8 |
|
| Hagerstown Regional Airport (215 m, Maryland) |
8 |
|
| Sudbury Airport (348 m, Ontario) |
8 |
300-600m |
| Sable Island (1 m, Nova Scotia) |
8 |
1500-2000m |
| Toronto/Pearson AP (173 m, Ontario) |
7 |
>2500m |
| Altus/Quartz Mountain Regional Airport (437 m, Oklahoma) |
8 |
|
| Sable Island AP (5 m, Nova Scotia) |
8 |
|
| Hamilton Airport (238 m, Ontario) |
7 |
600-1000m |
| McHenry Airport (894 m, Maryland) |
8 |
|
| Waterloo Well AP (315 m, Ontario) |
4 |
1500-2000m |
| Churchill Falls Airport (435 m, Newfoundland) |
8 |
|
| El Reno (432 m, Oklahoma) |
8 |
|
| Lee's Summit Airport (306 m, Missouri) |
2 |
|
| Havre (792 m, Montana) |
6 |
|
| Omaha/Eppley Field AP (299 m, Nebraska) |
8 |
|
| Lincoln Airport (362 m, Nebraska) |
6 |
|
| Brewster Field Arpt (704 m, Nebraska) |
0 |
|
| Ord Airport (631 m, Nebraska) |
8 |
|
| Blair Airport (404 m, Nebraska) |
6 |
|
| Nebraska City Airport (354 m, Nebraska) |
6 |
|
| Plattsmouth Airport (366 m, Nebraska) |
4 |
|
| Grey Butte Field Airport (923 m, California) |
0 |
|
| Churchill Airport (29 m, Manitoba) |
8 |
>2500m |
| Roswell Airport (1118 m, New Mexico) |
0 |
|
| Clines Corner (2160 m, New Mexico) |
0 |
|
| Tucumcari Airport (1234 m, New Mexico) |
0 |
|
| Will Rogers World Airport (398 m, Oklahoma) |
8 |
1500-2000m |
| Lea (1114 m, New Mexico) |
6 |
|
| Buffalo Niagara Intl. Airport (219 m, New York) |
8 |
300-600m |
| Wheeler-Sack Army Airfield (207 m, New York) |
8 |
|
| Adirondack Regional Airport (507 m, New York) |
8 |
|
| Big Spring Airport (784 m, Texas) |
0 |
|
| Wellsville Airport (646 m, New York) |
8 |
|
| Chautauqua (211 m, New York) |
8 |
|
| Penn Yan Airport (275 m, New York) |
8 |
|
| Billy Mitchell Airport (4 m, North Carolina) |
0 |
|
| Michael J. Smith Field (3 m, North Carolina) |
0 |
|
| Sioux Gateway Airport (336 m, Iowa) |
8 |
|
| Victoria (IAP) (19 m, British Columbia) |
0 |
1500-2000m |
| Council Bluffs Airport (382 m, Iowa) |
6 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| Cuyahoga County Airport (268 m, Ohio) |
0 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
6 |
|
| Creston (394 m, Iowa) |
8 |
|
| Henry Post Army Airfield (360 m, Oklahoma) |
6 |
|
| Lawton (338 m, Oklahoma) |
8 |
|
| Frederick Regional Airport (377 m, Oklahoma) |
8 |
|
| Vance Air Force Base (398 m, Oklahoma) |
6 |
|
| University of Oklahoma Westheimer Airpo (357 m, Oklahoma) |
6 |
|
| Wiley Post Airport (396 m, Oklahoma) |
8 |
|
| Blackwell Airport (314 m, Oklahoma) |
8 |
|
| Red Oak Airport (318 m, Iowa) |
6 |
|
| Storm Lake Airport (454 m, Iowa) |
6 |
|
| Saint John Airport (111 m, New Brunswick) |
8 |
100-200m |
| Spencer Airport (408 m, Iowa) |
0 |
|
| Newport Airport (37 m, Oregon) |
8 |
|
| Harlan Airport (375 m, Iowa) |
6 |
|
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
8 |
300-600m |
| Altoona (458 m, Pennsylvania) |
8 |
|
| Indiana (429 m, Pennsylvania) |
8 |
|
| Arnold Palmer Regional Airport (361 m, Pennsylvania) |
8 |
|
| Iowa Falls Airport (347 m, Iowa) |
0 |
|
| University Park Airport (378 m, Pennsylvania) |
8 |
|
| Washington (361 m, Pennsylvania) |
8 |
|
| San Francisco Intl. Airport (5 m, California) |
6 |
|
| Watertown Regional Airport (532 m, South Dakota) |
0 |
|
| Madison Airport (523 m, South Dakota) |
0 |
|
| Winner Regional Airport (619 m, South Dakota) |
0 |
|
| St. Johns Industrial Air Park (1747 m, Arizona) |
0 |
|
| Williamsburg Airport (15 m, Virginia) |
0 |
|
| Hayward Executive Airport (14 m, California) |
8 |
|
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
8 |
|
| Livermore Airport (121 m, California) |
0 |
|
| Breckenridge Airport (391 m, Texas) |
0 |
|
| Siskiyou (807 m, California) |
0 |
|
| Spokane Airport (721 m, Washington) |
6 |
>2500m |
| Napa Airport (10 m, California) |
8 |
|
| Shively Field Airport (2138 m, Wyoming) |
4 |
|
| Naval Air Station Whidbey (10 m, Washington) |
4 |
|
| Columbia Gorge Regional Airport (73 m, Washington) |
0 |
|
| Naval Outlying Landing Field San Nicola (174 m, California) |
8 |
|
| Pangborn Memorial Airport (379 m, Washington) |
0 |
|
| Moffett Federal Airfield (12 m, California) |
8 |
|
| Charlottetown Airport (79 m, Prince Edward Island) |
8 |
300-600m |
| General William J. Fox Airfield (712 m, California) |
0 |
|
| Andrews Airport (967 m, Texas) |
0 |
|
| Trenton Airport (85 m, Ontario) |
8 |
|
| Laredo Intl. Airport (155 m, Texas) |
0 |
|
| Tehachapi Airport (1220 m, California) |
0 |
|
| Wichita Dwight D. Eisenhower National A (409 m, Kansas) |
8 |
|
| Salina Regional Airport (385 m, Kansas) |
8 |
|
| Hill (666 m, Kansas) |
2 |
|
| District (281 m, Ontario) |
8 |
100-200m |
| Eastern WV Regional Airport (170 m, West-Virginia) |
6 |
|
| Garfield County Regional Airport (1691 m, Colorado) |
0 |
|
| Bathurst Arpt(Awrs) (59 m, New Brunswick) |
8 |
|
| Greater Cumberland Regional Airport (236 m, West-Virginia) |
8 |
|
| Naval Air Station Patuxent River (14 m, Maryland) |
0 |
|
| La Crosse Regional Airport (202 m, Wisconsin) |
0 |
|
| Greater Cumberland Regional Airport (236 m, Maryland) |
8 |
|
| St. Inigoes (6 m, Maryland) |
0 |
|
| Kindersley Regional Airport (698 m, Saskatchewan) |
4 |
>2500m |
| Comox (26 m, British Columbia) |
2 |
|
| Port Hawkesbury Airport (114 m, Nova Scotia) |
8 |
600-1000m |
| Houghton (327 m, Michigan) |
0 |
|
| Duluth Airport (432 m, Minnesota) |
8 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
6 |
|
| Fergus Falls Airport (361 m, Minnesota) |
0 |
|
| St James Muni Arpt (325 m, Minnesota) |
0 |
|
| Redwood Falls Muni (312 m, Minnesota) |
4 |
|
| Pipestone Airport (529 m, Minnesota) |
0 |
|
| Sierra Vista Airport (1421 m, Arizona) |
0 |
|
| Mankato Regional Airport (311 m, Minnesota) |
2 |
|
| Fairmont Airport (354 m, Minnesota) |
0 |
|
| Jackson Airport (441 m, Minnesota) |
0 |
|
| Dodge Center Airport (398 m, Minnesota) |
6 |
|
| Edwards (701 m, California) |
0 |
|
| Park Rapids Municip (437 m, Minnesota) |
6 |
|
| Madison (330 m, Minnesota) |
0 |
|
| Riverton Airport (1684 m, Wyoming) |
0 |
|
| Canby Airport (364 m, Minnesota) |
0 |
|
| Cape Peel West (165 m, Northwest Territories) |
8 |
1000-1500m |
| Fort Simpson Airport (169 m, Northwest Territories) |
7 |
2000-2500m |
| Syracuse Hancock Intl. Airport (124 m, New York) |
8 |
1500-2000m |
| Ponca (304 m, Oklahoma) |
8 |
|
| Webster City (342 m, Iowa) |
0 |
|
| Alexandria Airport (432 m, Minnesota) |
4 |
|
| John F. Kennedy Intl. Airport (7 m, New York) |
2 |
200-300m |
| Le Mars Airport (365 m, Iowa) |
6 |
|
| Chandler Regional Airport (300 m, Oklahoma) |
6 |
|
| Boone Airport (354 m, Iowa) |
0 |
|
| Halliburton Field (339 m, Oklahoma) |
4 |
|
| Oelwen (328 m, Iowa) |
8 |
|
| Shawnee Regional Airport (327 m, Oklahoma) |
6 |
|
| Jerome (1233 m, Idaho) |
0 |
|
| Knoxville (283 m, Iowa) |
0 |
|
| Thomas P. Stafford Airport (489 m, Oklahoma) |
0 |
|
| McNary Field Airport (61 m, Oregon) |
0 |
|
| Lake County Airport (1441 m, Oregon) |
0 |
|
| Dillon Airport (1597 m, Montana) |
0 |
|
| Lamoni (342 m, Iowa) |
4 |
|
| Estherville Muni (401 m, Iowa) |
0 |
|
| Kansas City Intl. Airport (313 m, Missouri) |
6 |
>2500m |
| Magdalen Islands Airport (18 m, Quebec) |
8 |
1500-2000m |
| Forest City Airport (375 m, Iowa) |
0 |
|
| Grinnell Airport (307 m, Iowa) |
0 |
|
| Lehigh Valley Intl. Airport (117 m, Pennsylvania) |
0 |
|
| Clovis Airport (1284 m, New Mexico) |
0 |
|
| Hobart Regional Airport (478 m, Oklahoma) |
8 |
|
| St.Anthony A (32 m, Newfoundland) |
8 |
50-100m |
| Independence Airport (298 m, Iowa) |
6 |
|
| DuBois Airport (554 m, Pennsylvania) |
8 |
|
| Venango Regional Airport (469 m, Pennsylvania) |
8 |
|
| Naval Station Norfolk (5 m, Virginia) |
4 |
|
| Albert Lea Airport (383 m, Minnesota) |
0 |
|
| Harrisburg Intl. Airport (94 m, Pennsylvania) |
6 |
|
| Northeast Philadelphia Airport (37 m, Pennsylvania) |
0 |
|
| Allegheny (382 m, Pennsylvania) |
8 |
|
| Port Meadville Airport (427 m, Pennsylvania) |
8 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
7 |
600-1000m |
| Williamsburg Intl. Airport (13 m, Virginia) |
0 |
|
| Clearfield- Lawrence Airport (462 m, Pennsylvania) |
8 |
|
| Pocono Mountains Airport (584 m, Pennsylvania) |
6 |
|
| Fresno Yosemite Intl. Airport (100 m, California) |
6 |
|
| Accomack (15 m, Virginia) |
0 |
|
| Lakehurst Maxfield Field (31 m, New Jersey) |
0 |
|
| Hilton Head Airport (7 m, South Carolina) |
0 |
|
| Lakehurst AP (24 m, New Jersey) |
0 |
|
| Montreal Airport Trudeau (34 m, Quebec) |
8 |
600-1000m |
| Airlake Airport (293 m, Minnesota) |
0 |
|
| Lethbridge (929 m, Alberta) |
0 |
>2500m |
| Show Low Regional Airport (1954 m, Arizona) |
0 |
|
| Oakland Intl. Airport (6 m, California) |
8 |
|
| Luray Caverns Airport (275 m, Virginia) |
8 |
|
| Monmouth Executive Airport (48 m, New Jersey) |
0 |
|
| Huron Airport (393 m, South Dakota) |
0 |
>2500m |
| Chan Gurney Airport (398 m, South Dakota) |
6 |
|
| Brookings Regional Airport (502 m, South Dakota) |
0 |
|
| Philip Airport (673 m, South Dakota) |
0 |
|
| Chamberlain (530 m, South Dakota) |
0 |
|
| Oakes Airport (400 m, North Dakota) |
0 |
|
| Yarmouth Airport (46 m, Nova Scotia) |
4 |
50-100m |
| Buchanan Field Airport (7 m, California) |
6 |
|
| West Point Airport (7 m, Virginia) |
0 |
|
| Newark Intl. Airport (9 m, New Jersey) |
2 |
|
| Slave Lake (583 m, Alberta) |
0 |
>2500m |
| Grand Rapids (413 m, Minnesota) |
6 |
|
| Midland Airport (874 m, Texas) |
0 |
|
| Hillsville (834 m, Virginia) |
0 |
|
| Abilene Airport (546 m, Texas) |
0 |
|
| Phoenix (422 m, Arizona) |
0 |
|
| Modesto (30 m, California) |
0 |
|
| Wendover Airport (1292 m, Utah) |
2 |
|
| Burlington Intl. Airport (104 m, Vermont) |
0 |
>2500m |
| Naval Air Station Corpus Christi (6 m, Texas) |
0 |
|
North - South