| Stations: 2861
|
Cloud Cover |
Cloud Base |
| Provo Airport (1369 m, Utah) |
6 |
|
| Clarence E. Page Airport (413 m, Oklahoma) |
0 |
|
| Palmdale Regional Airport (774 m, California) |
2 |
|
| Clayton Municipal Airpark (1515 m, New Mexico) |
0 |
>2500m |
| Telluride Regional Airport (2769 m, Colorado) |
0 |
|
| Middleton Island Airport (14 m, Alaska) |
8 |
600-1000m |
| Dare (4 m, North Carolina) |
8 |
|
| Southwest Wyoming Regional Airport (2060 m, Wyoming) |
0 |
|
| Brigham City Airport (1288 m, Utah) |
8 |
|
| Fergus Falls Airport (361 m, Minnesota) |
4 |
|
| Rawlins Airport (2077 m, Wyoming) |
0 |
|
| Edwards (701 m, California) |
0 |
|
| Naval Air Facility El Centro (-13 m, California) |
4 |
|
| Miley Memorial Field Airport (2124 m, Wyoming) |
0 |
|
| Delaware Coastal Airport (16 m, Delaware) |
8 |
|
| Harry Reid Intl. Airport (664 m, Nevada) |
2 |
2000-2500m |
| Naval Air Station Whidbey (10 m, Washington) |
6 |
|
| Juneau Intl. Airport (7 m, Alaska) |
2 |
1000-1500m |
| Montrose Airport (1755 m, Colorado) |
0 |
|
| St. Inigoes (6 m, Maryland) |
8 |
|
| Dillingham Airport (29 m, Alaska) |
0 |
>2500m |
| Hutchinson (931 m, Texas) |
0 |
|
| Saskatoon AP (503 m, Saskatchewan) |
8 |
|
| Afton Airport (1896 m, Wyoming) |
8 |
|
| Edwards Air Force Base (705 m, California) |
2 |
|
| San Luis Valley Regional Airport (2299 m, Colorado) |
0 |
>2500m |
| Moore County Airport (1129 m, Texas) |
0 |
|
| Bangor Intl. Airport (56 m, Maine) |
4 |
|
| Chibougamau-Chapais AP (387 m, Quebec) |
4 |
|
| Comanche Airport (423 m, Texas) |
0 |
|
| Glacier Park Intl. Airport (906 m, Montana) |
8 |
|
| Kalispell/Glacier Park AP (906 m, Montana) |
8 |
|
| Salluit Airport (226 m, Quebec) |
4 |
|
| Emporia Airport (368 m, Kansas) |
6 |
|
| Mammoth Yosemite Airport (2173 m, California) |
8 |
|
| Sanikiluaq Airport (32 m, Nunavut) |
8 |
|
| Glenwood (Asos) (425 m, Minnesota) |
0 |
|
| Mojave Air and Space Port Airport (849 m, California) |
8 |
|
| Wiley Post Airport (396 m, Oklahoma) |
0 |
|
| Tucumcari Airport (1234 m, New Mexico) |
0 |
|
| Hereford Airport (1154 m, Texas) |
0 |
|
| Brackett Field (308 m, California) |
8 |
|
| Salisbury (16 m, Maryland) |
8 |
|
| Crater Lake (1244 m, Oregon) |
6 |
|
| Tonopah Airport (1654 m, Nevada) |
8 |
|
| Cape May Airport (7 m, New Jersey) |
8 |
|
| Del Norte Airport (2425 m, Colorado) |
0 |
|
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
0 |
>2500m |
| Winnemucca Airport (1322 m, Nevada) |
8 |
600-1000m |
| La Veta Pass (3114 m, Colorado) |
0 |
|
| Twentynine Palms Airport (626 m, California) |
0 |
|
| Henderson Executive Airport (749 m, Nevada) |
2 |
|
| Sable Island AP (5 m, Nova Scotia) |
4 |
|
| Buena Vista Airport (2422 m, Colorado) |
0 |
|
| Nellis Air Force Base (570 m, Nevada) |
0 |
|
| Oakland Intl. Airport (6 m, California) |
6 |
|
| Hickory Regional Airport (348 m, North Carolina) |
8 |
|
| Bicycle Lake Army Airfield (716 m, California) |
0 |
|
| Clovis Airport (1284 m, New Mexico) |
0 |
|
| Baker Airport (902 m, Montana) |
8 |
|
| Will Rogers World Airport (398 m, Oklahoma) |
0 |
>2500m |
| Lea (1114 m, New Mexico) |
0 |
|
| Beach Airport (840 m, North Dakota) |
0 |
|
| Port Heiden Airport (29 m, Alaska) |
0 |
>2500m |
| Cando Airport (450 m, North Dakota) |
0 |
|
| Burlington Intl. Airport (104 m, Vermont) |
8 |
1000-1500m |
| Vernal Regional Airport (1608 m, Utah) |
2 |
|
| Gwinner Airport (386 m, North Dakota) |
6 |
|
| Rugby Airport (472 m, North Dakota) |
0 |
|
| Cannon Air Force Base (1309 m, New Mexico) |
0 |
|
| Tulsa Airport (195 m, Oklahoma) |
0 |
>2500m |
| Davis Field (186 m, Oklahoma) |
0 |
|
| Hale County Airport (1028 m, Texas) |
0 |
|
| Hobart Regional Airport (478 m, Oklahoma) |
0 |
|
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
0 |
|
| Ponca (304 m, Oklahoma) |
0 |
|
| University of Oklahoma Westheimer Airpo (357 m, Oklahoma) |
0 |
|
| Tinker Air Force Base (384 m, Oklahoma) |
0 |
|
| Claremore Regional Airport (221 m, Oklahoma) |
0 |
|
| Shawnee Regional Airport (327 m, Oklahoma) |
0 |
|
| Bend Airport (1055 m, Oregon) |
0 |
|
| Wichita Falls Regional Airport (314 m, Texas) |
0 |
>2500m |
| General William J. Fox Airfield (712 m, California) |
4 |
|
| Chan Gurney Airport (398 m, South Dakota) |
0 |
|
| Alexandria Airport (432 m, Minnesota) |
4 |
|
| Venice Airport (6 m, Florida) |
0 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
0 |
|
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Tioga Airport (684 m, North Dakota) |
8 |
|
| Naval Air Station Point Mugu (2 m, California) |
6 |
|
| Derby Field (1190 m, California) |
8 |
|
| Eareckson Air Station (31 m, Alaska) |
8 |
1000-1500m |
| Crosby Airport (594 m, North Dakota) |
8 |
|
| Flagstaff Airport (2131 m, Arizona) |
0 |
>2500m |
| Springfield- Branson National Airport (390 m, Missouri) |
0 |
>2500m |
| Waterloo Regional Airport (268 m, Iowa) |
0 |
>2500m |
| Nome Airport (6 m, Alaska) |
0 |
>2500m |
| Watson Lake Airport (690 m, Yukon) |
8 |
|
| Glasgow Airport (693 m, Montana) |
8 |
600-1000m |
| Havre (792 m, Montana) |
6 |
50-100m |
| Newton (467 m, Kansas) |
8 |
|
| McConnell Air Force Base (413 m, Kansas) |
8 |
|
| Missoula Montana Airport (972 m, Montana) |
6 |
>2500m |
| Algona Airport (372 m, Iowa) |
0 |
|
| Newton Airport (290 m, Iowa) |
0 |
|
| Regina Airport (577 m, Saskatchewan) |
8 |
|
| Creston (394 m, Iowa) |
0 |
|
| Havre-Saint-Pierre (34 m, Quebec) |
8 |
|
| Le Mars Airport (365 m, Iowa) |
2 |
|
| Oelwen (328 m, Iowa) |
0 |
|
| Pompano Beach Airport (7 m, Florida) |
4 |
|
| Sheldon (432 m, Iowa) |
0 |
|
| Estherville Muni (401 m, Iowa) |
0 |
|
| Wichita Dwight D. Eisenhower National A (409 m, Kansas) |
8 |
50-100m |
| Perry Airport (309 m, Iowa) |
0 |
|
| Waterville Robert LaFleur Airport (101 m, Maine) |
0 |
|
| Harriet Alexander Field (2293 m, Colorado) |
0 |
|
| Barstow-Daggett Airport (587 m, California) |
0 |
|
| Knox County Regional Airport (17 m, Maine) |
6 |
|
| San Francisco Intl. Airport (5 m, California) |
8 |
300-600m |
| McCall Airport (1530 m, Idaho) |
8 |
|
| Rankin Inlet Airport (29 m, Nunavut) |
7 |
>2500m |
| Augusta Airport (405 m, Kansas) |
8 |
|
| Omaha/Eppley Field AP (299 m, Nebraska) |
6 |
>2500m |
| Tekamah (Asos) (312 m, Nebraska) |
8 |
|
| Quesnel Airport (545 m, British Columbia) |
8 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
8 |
|
| Eddie Andreini Sr. Airfield (20 m, California) |
6 |
|
| Big Bear Airport (2058 m, California) |
8 |
|
| Skagit Regional Airport (44 m, Washington) |
8 |
|
| Manhattan (48 m, New York) |
8 |
1500-2000m |
| Miami-Opa Locka Executive Airport (3 m, Florida) |
2 |
|
| Atlantic City Airport (20 m, New Jersey) |
8 |
100-200m |
| Lihue Airport (32 m, Hawaii) |
6 |
600-1000m |
| Millville Executive Airport (25 m, New Jersey) |
8 |
|
| Pullman- Moscow Regional Airport (778 m, Washington) |
8 |
|
| Southern California Logistics Airport (869 m, California) |
2 |
|
| Stephenville Intl. Airport (9 m, Newfoundland) |
8 |
600-1000m |
| Davenport Airport (259 m, Iowa) |
0 |
|
| Marshall Town Muni (296 m, Iowa) |
0 |
|
| Miami Intl. Airport (4 m, Florida) |
8 |
600-1000m |
| Otis Air National Guard Base (40 m, Massachusetts) |
6 |
|
| Chanute Martin Johnson Airport (298 m, Kansas) |
0 |
|
| Meeker (1948 m, Colorado) |
0 |
|
| Marine Corps Auxiliary Landing Field Bo (7 m, North Carolina) |
8 |
|
| Freeport Airport (262 m, Illinois) |
0 |
|
| Idaho County Airport (1010 m, Idaho) |
6 |
|
| Stillwater Regional Airport (300 m, Oklahoma) |
0 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
0 |
|
| Guthrie Airport (327 m, Oklahoma) |
0 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
0 |
|
| Strother Field (353 m, Kansas) |
8 |
|
| Long (30 m, New York) |
8 |
|
| Kangiqsualujjuaq Airport (60 m, Quebec) |
8 |
|
| Big Spring Airport (784 m, Texas) |
0 |
|
| Webster City (342 m, Iowa) |
0 |
|
| Northeastern Regional Airport (6 m, North Carolina) |
8 |
|
| Blanding Airport (1788 m, Utah) |
0 |
|
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
8 |
300-600m |
| Eagle County Regional Airport (1993 m, Colorado) |
0 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
1 |
1000-1500m |
| Gray Army Airfield (89 m, Washington) |
6 |
|
| Provincetown Airport (2 m, Massachusetts) |
6 |
|
| Manassas Regional Airport (59 m, North Carolina) |
8 |
|
| Storm Lake Airport (454 m, Iowa) |
6 |
|
| Cheyenne County Airport (1040 m, Kansas) |
0 |
|
| Kingston Arpt (Man) (93 m, Ontario) |
8 |
|
| Penn Yan Airport (275 m, New York) |
8 |
|
| Friday Harbor Airport (33 m, Washington) |
8 |
|
| St. Catharines/Niagara District Airport (98 m, Ontario) |
6 |
|
| Hamilton Airport (396 m, Texas) |
0 |
|
| Cherokee Airport (374 m, Iowa) |
6 |
|
| Pampa (989 m, Texas) |
0 |
|
| Tehachapi Airport (1220 m, California) |
8 |
|
| Independence Airport (298 m, Iowa) |
0 |
|
| Iowa Falls Airport (347 m, Iowa) |
0 |
|
| Hancock (26 m, Maine) |
6 |
|
| Oskaloosa Airport (256 m, Iowa) |
0 |
|
| Bert Mooney Airport (1688 m, Montana) |
4 |
|
| Arlington Airport (42 m, Washington) |
8 |
|
| Sandpoint Airport (648 m, Idaho) |
8 |
|
| North Las Vegas Airport (671 m, Nevada) |
6 |
|
| Naval Air Station North Island (8 m, California) |
8 |
|
| Chautauqua (211 m, New York) |
8 |
|
| Catalina Airport (488 m, California) |
8 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
0 |
>2500m |
| Bartlesville Airport (218 m, Oklahoma) |
2 |
|
| Homestead Air Reserve Base (2 m, Florida) |
6 |
|
| Centennial Airport (1793 m, Colorado) |
2 |
|
| Des Moines Intl. Airport (294 m, Iowa) |
2 |
>2500m |
| Boca Raton Airport (4 m, Florida) |
4 |
|
| Kit Carson County Airport (1285 m, Colorado) |
0 |
|
| Great Falls (1131 m, Montana) |
8 |
50-100m |
| Rolla Airport (556 m, North Dakota) |
0 |
|
| Fond du Lac (246 m, Wisconsin) |
0 |
|
| L. M. Clayton Airport (605 m, Montana) |
8 |
|
| Miles City Airport (801 m, Montana) |
0 |
|
| Barnes Airport (427 m, North Dakota) |
6 |
|
| Naval Air Station Oceana (7 m, Virginia) |
8 |
|
| Great Falls Intl. Airport (1116 m, Montana) |
8 |
|
| Norfolk Regional Airport (473 m, Nebraska) |
not detectable |
50-100m |
| Witham Field (6 m, Florida) |
6 |
|
| Canyonlands Regional Airport (1388 m, Utah) |
0 |
|
| Kearney Regional Airport (649 m, Nebraska) |
8 |
|
| Monroe Airport (331 m, Wisconsin) |
0 |
|
| Buckley Space Force Base (1726 m, Colorado) |
4 |
|
| Aberdeen Airport (397 m, South Dakota) |
2 |
200-300m |
| Vernon (386 m, Texas) |
0 |
|
| Nut Tree Airport (34 m, California) |
6 |
|
| Rockwall Airport (175 m, Texas) |
0 |
|
| Tangier (2 m, Texas) |
8 |
|
| Erie Intl. Airport (225 m, Pennsylvania) |
8 |
600-1000m |
| Ellsworth Air Force Base (979 m, South Dakota) |
2 |
|
| Seattle (137 m, Washington) |
8 |
300-600m |
| Falls City/Brenner (300 m, Nebraska) |
0 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
8 |
|
| Truckee Tahoe Airport (1798 m, California) |
8 |
|
| Frankfort Dow Memorial Field (193 m, Michigan) |
0 |
|
| Topeka Regional Airport (325 m, Kansas) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
0 |
|
| Fairmont Airport (354 m, Minnesota) |
0 |
|
| Cambridge- Dorchester Airport (6 m, Maryland) |
6 |
|
| Okmulgee Regional Airport (219 m, Oklahoma) |
0 |
|
| Stanton County Airport (1013 m, Kansas) |
0 |
|
| Majors Airport (163 m, Texas) |
0 |
|
| Boone (418 m, Arkansas) |
0 |
|
| Dodge Center Airport (398 m, Minnesota) |
0 |
|
| Naval Outlying Landing Field San Nicola (174 m, California) |
8 |
|
| Harvey Airport (487 m, North Dakota) |
6 |
|
| Bryce Canyon Airport (2312 m, Utah) |
0 |
|
| North Perry Airport (3 m, Florida) |
2 |
|
| Oakes Airport (400 m, North Dakota) |
8 |
|
| Sacramento Intl. Airport (7 m, California) |
6 |
|
| Austin Airport (375 m, Minnesota) |
0 |
|
| Palm Beach Intl. Airport (6 m, Florida) |
6 |
600-1000m |
| Sacramento McClellan Airport (23 m, California) |
8 |
|
| Fillmore County Airport (389 m, Minnesota) |
0 |
|
| Blythe Airport (118 m, California) |
0 |
|
| Show Low Regional Airport (1954 m, Arizona) |
0 |
|
| Sacramento Mather Airport (29 m, California) |
8 |
|
| Glen Ullin Airport (634 m, North Dakota) |
8 |
|
| Winslow- Lindbergh Regional Airport (1488 m, Arizona) |
0 |
>2500m |
| Warroad International Memorial Airport (327 m, Minnesota) |
0 |
|
| Wahoo Airport (373 m, Nebraska) |
8 |
|
| Dyess Air Force Base (545 m, Texas) |
0 |
|
| York Airport (509 m, Nebraska) |
8 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| Platteville Airport (312 m, Wisconsin) |
0 |
|
| Friedman Memorial Airport (1620 m, Idaho) |
8 |
|
| Naval Air Station Key West (2 m, Florida) |
8 |
|
| Creech Air Force Base Airport (951 m, Nevada) |
0 |
|
| Milford Municipal (1536 m, Utah) |
6 |
1500-2000m |
| Craig (1915 m, Colorado) |
0 |
>2500m |
| Chicago Executive Airport (197 m, Illinois) |
0 |
|
| Annapolis (2 m, Maryland) |
8 |
|
| Augusta State Airport (107 m, Maine) |
6 |
|
| Atkinson Airport (290 m, Kansas) |
0 |
|
| Independence Airport (251 m, Kansas) |
0 |
|
| Colby Airport (971 m, Kansas) |
0 |
|
| Colonel James Jabara Airport (433 m, Kansas) |
8 |
|
| Pratt Regional Airport (595 m, Kansas) |
8 |
|
| Coffeyville Airport (230 m, Kansas) |
0 |
|
| Great Bend Airport (575 m, Kansas) |
8 |
|
| Lawrence Regional Airport (254 m, Kansas) |
0 |
|
| New Century AirCenter (331 m, Kansas) |
0 |
|
| Johnson (334 m, Kansas) |
0 |
|
| Dodge City Regional Airport (790 m, Kansas) |
0 |
>2500m |
| Placerville Airport (788 m, California) |
8 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
8 |
|
| Auburn Airport (467 m, California) |
8 |
|
| Kahului Airport (20 m, Hawaii) |
0 |
>2500m |
| Marin (1 m, California) |
8 |
|
| O’Hare Intl. Airport (205 m, Illinois) |
0 |
>2500m |
| Rockford Airport (226 m, Illinois) |
0 |
>2500m |
| Daniel K. Inouye Intl. Airport (5 m, Hawaii) |
2 |
600-1000m |
| Ralph Wenz Field (2160 m, Wyoming) |
0 |
|
| Palo Alto Airport (2 m, California) |
6 |
|
| DeKalb Airport (279 m, Illinois) |
0 |
|
| Riverton Airport (1684 m, Wyoming) |
0 |
>2500m |
| Rochelle Airport (238 m, Illinois) |
0 |
|
| Central Illinois Regional Airport (267 m, Illinois) |
0 |
|
| Watsonville Airport (48 m, California) |
8 |
|
| Ramona Airport (424 m, California) |
8 |
|
| Yellowstone Regional Airport (1553 m, Wyoming) |
4 |
|
| DuPage Airport (231 m, Illinois) |
0 |
|
| McHenry Airport (894 m, Maryland) |
8 |
|
| Sacramento Executive Airport (8 m, California) |
6 |
|
| Hayward Executive Airport (14 m, California) |
6 |
|
| McClellan- Palomar Airport (100 m, California) |
8 |
|
| Dubuque Regional Airport (329 m, Iowa) |
0 |
>2500m |
| Ottumwa Regional Airport (256 m, Iowa) |
0 |
|
| Council Bluffs Airport (382 m, Iowa) |
0 |
|
| Camarillo Airport (23 m, California) |
8 |
|
| Ames Airport (291 m, Iowa) |
0 |
|
| Clinton Airport (216 m, Iowa) |
0 |
|
| Atlantic Airport (360 m, Iowa) |
0 |
|
| Washington (230 m, Iowa) |
0 |
|
| Southeast Iowa Regional Airport (210 m, Iowa) |
0 |
|
| Chariton (320 m, Iowa) |
0 |
|
| Boone Airport (354 m, Iowa) |
0 |
|
| Knoxville (283 m, Iowa) |
0 |
|
| Red Oak Airport (318 m, Iowa) |
0 |
|
| Lamoni (342 m, Iowa) |
0 |
|
| Spencer Airport (408 m, Iowa) |
0 |
|
| Centerville Airport (313 m, Iowa) |
0 |
|
| Grinnell Airport (307 m, Iowa) |
0 |
|
| Harlan Airport (375 m, Iowa) |
0 |
|
| Mount Pleasant Airport (224 m, Iowa) |
0 |
|
| Vinton Airport (258 m, Iowa) |
0 |
|
| Meadows Field Airport (150 m, California) |
8 |
600-1000m |
| Los Angeles Intl. Airport (30 m, California) |
6 |
300-600m |
| San Diego Intl. Airport (9 m, California) |
8 |
200-300m |
| Marysville Airport (391 m, Kansas) |
0 |
|
| Kenosha Regional Airport (226 m, Wisconsin) |
0 |
|
| Viroqua Airport (394 m, Wisconsin) |
0 |
|
| Wittman Regional Airport (246 m, Wisconsin) |
0 |
|
| John H. Batten Airport (205 m, Wisconsin) |
0 |
|
| La Crosse Regional Airport (202 m, Wisconsin) |
0 |
|
| Green Bay (209 m, Wisconsin) |
0 |
>2500m |
| Newport (73 m, Arkansas) |
0 |
|
| McChord Field (88 m, Washington) |
6 |
|
| Tacoma Narrows Airport (89 m, Washington) |
2 |
|
| Renton Airport (9 m, Washington) |
8 |
|
| Bremerton Ntnl Arpt (147 m, Washington) |
8 |
|
| Powell Airport (1552 m, Wyoming) |
8 |
|
| Middleton Muni - Morey Field (283 m, Wisconsin) |
0 |
|
| William R. Fairchild Intl. Airport (88 m, Washington) |
8 |
|
| Naval Auxiliary Landing Field Fentress (4 m, Virginia) |
8 |
|
| Stafford Regional Airport (65 m, Virginia) |
8 |
|
| Suffolk Executive Airport (22 m, Virginia) |
8 |
|
| Chesapeake Regional Airport (6 m, Virginia) |
8 |
|
| Ephraim (236 m, Wisconsin) |
0 |
|
| Yarmouth Airport (46 m, Nova Scotia) |
4 |
300-600m |
North - South