| Stations: 2811
|
Cloud Cover |
Cloud Base |
| Arviat (10 m, Nunavut) |
0 |
>2500m |
| Northeast Iowa Regional Airport (343 m, Iowa) |
0 |
|
| Flag Island (328 m, Minnesota) |
0 |
|
| Coral Harbour Airport (64 m, Nunavut) |
8 |
600-1000m |
| Travis Air Force Base (22 m, California) |
0 |
|
| Hutchinson (931 m, Texas) |
6 |
|
| Madison (330 m, Minnesota) |
0 |
|
| Wadena Airport (418 m, Minnesota) |
6 |
|
| Bethel Airport (44 m, Alaska) |
8 |
1000-1500m |
| Wheaton Airport (313 m, Minnesota) |
0 |
|
| Ross County Airport (221 m, Ohio) |
0 |
|
| Detroit Lakes Airport (426 m, Minnesota) |
0 |
|
| Worthington (480 m, Minnesota) |
2 |
|
| Forest City Airport (375 m, Iowa) |
0 |
|
| Montevideo (Awos) (315 m, Minnesota) |
0 |
|
| Oakes Airport (400 m, North Dakota) |
8 |
|
| Tangier (2 m, Texas) |
0 |
|
| Taylor (448 m, Wisconsin) |
0 |
|
| Norfolk Intl. Airport (9 m, Virginia) |
0 |
>2500m |
| Spencer Airport (408 m, Iowa) |
4 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
8 |
600-1000m |
| Pierre Regional Airport (528 m, South Dakota) |
6 |
|
| Havre (792 m, Montana) |
8 |
1000-1500m |
| Hector Intl. Airport (274 m, North Dakota) |
8 |
600-1000m |
| Thief River Falls Regional Airport (340 m, Minnesota) |
0 |
|
| Chippewa (244 m, Michigan) |
8 |
|
| Cherokee Airport (374 m, Iowa) |
8 |
|
| Estherville Muni (401 m, Iowa) |
0 |
|
| Storm Lake Airport (454 m, Iowa) |
8 |
|
| Oelwen (328 m, Iowa) |
0 |
|
| Le Mars Airport (365 m, Iowa) |
8 |
|
| Michael J. Smith Field (3 m, North Carolina) |
0 |
|
| Webster City (342 m, Iowa) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
0 |
|
| Appleton Airport (310 m, Wisconsin) |
0 |
|
| Algona Airport (372 m, Iowa) |
2 |
|
| Clinton Airport (216 m, Iowa) |
8 |
|
| Ames Airport (291 m, Iowa) |
0 |
|
| Fairfield County Airport (264 m, Ohio) |
8 |
|
| Mason (363 m, Iowa) |
0 |
|
| Mahnomen Airport (379 m, Minnesota) |
0 |
|
| Sable Island (1 m, Nova Scotia) |
0 |
>2500m |
| Alexandria Airport (432 m, Minnesota) |
0 |
|
| Morris Airport (178 m, Illinois) |
0 |
|
| Wright-Patterson Air Force Base (251 m, Ohio) |
8 |
|
| Brainerd Lakes Regional Airport (374 m, Minnesota) |
6 |
|
| Aurora Airport (215 m, Illinois) |
0 |
|
| Churchill Airport (29 m, Manitoba) |
0 |
>2500m |
| Winnipeg Airport (239 m, Manitoba) |
6 |
|
| Chadron Airport (1011 m, Nebraska) |
8 |
|
| Calgary Intl. Airport (1084 m, Alberta) |
8 |
200-300m |
| Altoona (458 m, Pennsylvania) |
8 |
|
| Savanna Airport (188 m, Illinois) |
0 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
6 |
|
| Charlevoix Airport (204 m, Michigan) |
6 |
|
| Harry Stern Airport (295 m, North Dakota) |
4 |
|
| Johnstown (696 m, Pennsylvania) |
8 |
|
| Glencoe Airport (302 m, Minnesota) |
0 |
|
| Marshfield Airport (389 m, Wisconsin) |
0 |
|
| Wiley Post Airport (396 m, Oklahoma) |
0 |
|
| Rankin Inlet Airport (29 m, Nunavut) |
1 |
>2500m |
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
0 |
|
| Flying Cloud Airport (276 m, Minnesota) |
0 |
|
| Southport Airport (8 m, North Carolina) |
0 |
|
| Cumberland Airport (378 m, Wisconsin) |
0 |
|
| Walhalla Airport (291 m, North Dakota) |
0 |
|
| London Madison County Airport (330 m, Ohio) |
8 |
|
| Benson Airport (317 m, Minnesota) |
0 |
|
| Murray-Calloway County Airport (176 m, Kentucky) |
2 |
|
| Campbell Army Airfield (173 m, Kentucky) |
0 |
|
| Grafton Airport (251 m, North Dakota) |
0 |
|
| Rusk County Airport (377 m, Wisconsin) |
0 |
|
| Somerset County Airport (693 m, Pennsylvania) |
8 |
|
| Sable Island AP (5 m, Nova Scotia) |
0 |
|
| Reedsburg Airport (276 m, Wisconsin) |
0 |
|
| Baudette Intl. Airport (329 m, Minnesota) |
0 |
|
| Elbow Lake (367 m, Minnesota) |
0 |
|
| Iowa Falls Airport (347 m, Iowa) |
0 |
|
| New Richmond Regional Airport (304 m, Wisconsin) |
0 |
|
| Mount Washington Airport (1910 m, New Hampshire) |
not detectable |
|
| San Francisco Intl. Airport (5 m, California) |
2 |
200-300m |
| Independence Airport (298 m, Iowa) |
0 |
|
| Jamestown Regional Airport (454 m, North Dakota) |
8 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
0 |
|
| University of Oklahoma Westheimer Airpo (357 m, Oklahoma) |
0 |
|
| Boone Airport (354 m, Iowa) |
8 |
|
| Sauk Centre Muni (379 m, Minnesota) |
0 |
|
| Decorah Airport (353 m, Iowa) |
0 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
8 |
|
| Walker Airport (411 m, Minnesota) |
4 |
|
| Marshall Town Muni (296 m, Iowa) |
0 |
|
| Waterloo Regional Airport (268 m, Iowa) |
0 |
>2500m |
| Delaware (286 m, Indiana) |
2 |
|
| Thunder Bay (199 m, Ontario) |
8 |
1000-1500m |
| DuPage Airport (231 m, Illinois) |
0 |
|
| Rock Falls Airport (197 m, Illinois) |
6 |
|
| Central Illinois Regional Airport (267 m, Illinois) |
8 |
|
| Rochelle Airport (238 m, Illinois) |
0 |
|
| DeKalb Airport (279 m, Illinois) |
0 |
|
| Lytton (225 m, British Columbia) |
8 |
>2500m |
| Rocky Mountain Metropolitan Airport (1724 m, Colorado) |
0 |
|
| Prince George Airport (691 m, British Columbia) |
8 |
>2500m |
| Wautoma Airport (262 m, Wisconsin) |
0 |
|
| Columbia Gorge Regional Airport (73 m, Washington) |
0 |
|
| Langley Air Force Base (6 m, Virginia) |
0 |
|
| Hill Air Force Base (1459 m, Utah) |
0 |
|
| Estevan Airport (584 m, Saskatchewan) |
0 |
>2500m |
| Eagle River Union Airport (500 m, Wisconsin) |
8 |
|
| Moore County Airport (1129 m, Texas) |
6 |
|
| Dare (4 m, North Carolina) |
0 |
|
| Bellefontaine Regional Airport (342 m, Ohio) |
6 |
|
| Elizabeth City Regional Airport (4 m, North Carolina) |
0 |
|
| John F. Kennedy Memorial Airport (251 m, Wisconsin) |
8 |
|
| Hickory Regional Airport (348 m, North Carolina) |
0 |
|
| Dodge County Airport (285 m, Wisconsin) |
6 |
|
| Langlade (464 m, Wisconsin) |
0 |
|
| Menomonie Airport (273 m, Wisconsin) |
0 |
|
| Burnett County Airport (301 m, Wisconsin) |
0 |
|
| Langdon Airport (490 m, North Dakota) |
0 |
|
| Cavalier Airport (270 m, North Dakota) |
0 |
|
| Reno Stead Airport (1539 m, Nevada) |
0 |
|
| McHenry Airport (894 m, Maryland) |
8 |
|
| O'Neill Airport (619 m, Nebraska) |
6 |
|
| Miller Field Airport (792 m, Nebraska) |
6 |
>2500m |
| Toronto Islands Airport (77 m, Ontario) |
0 |
>2500m |
| Mission Field (1418 m, Montana) |
8 |
|
| Lewistown Airport (1263 m, Montana) |
6 |
|
| Glacier Park Intl. Airport (906 m, Montana) |
0 |
|
| Kalispell/Glacier Park AP (906 m, Montana) |
0 |
|
| Bolton Field (280 m, Ohio) |
8 |
|
| Southern Wisconsin Regional Airport (246 m, Wisconsin) |
0 |
|
| Iliamna Airport (49 m, Alaska) |
8 |
2000-2500m |
| West Bend Airport (270 m, Wisconsin) |
6 |
|
| Dayton- Wright Brothers Airport (293 m, Ohio) |
6 |
|
| Eareckson Air Station (31 m, Alaska) |
6 |
600-1000m |
| Thunder Bay Airport (206 m, Ontario) |
8 |
|
| Long Prairie Airport (394 m, Minnesota) |
0 |
|
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
8 |
1500-2000m |
| Richard I. Bong Airport (206 m, Wisconsin) |
6 |
|
| Door (221 m, Wisconsin) |
8 |
|
| La Crosse Regional Airport (202 m, Wisconsin) |
0 |
|
| Stanton Airfield (280 m, Minnesota) |
0 |
|
| McGregor Airport (374 m, Minnesota) |
8 |
|
| DuBois Airport (554 m, Pennsylvania) |
8 |
|
| Maple Lake Airport (313 m, Minnesota) |
0 |
|
| Dayton Intl. Airport (306 m, Ohio) |
6 |
>2500m |
| Granite Falls Airport (319 m, Minnesota) |
0 |
|
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
6 |
>2500m |
| Willmar Airport (343 m, Minnesota) |
0 |
|
| Green Bay (209 m, Wisconsin) |
4 |
2000-2500m |
| University Park Airport (378 m, Pennsylvania) |
8 |
|
| Austin Airport (375 m, Minnesota) |
0 |
|
| Bemidji Regional Airport (420 m, Minnesota) |
0 |
|
| Staples (392 m, Minnesota) |
4 |
|
| Windom (410 m, Minnesota) |
0 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
0 |
|
| North Central West Virginia Airport (367 m, West-Virginia) |
4 |
|
| Ely Airport (443 m, Minnesota) |
8 |
|
| Fairmont Airport (354 m, Minnesota) |
0 |
|
| St. Paul Downtown Airport (219 m, Minnesota) |
0 |
|
| Litchfield Airport (347 m, Minnesota) |
0 |
|
| Greenville- Spartanburg Intl. Airport (296 m, South Carolina) |
0 |
>2500m |
| Hutchinson Airport (323 m, Minnesota) |
0 |
|
| New Ulm Airport (308 m, Minnesota) |
0 |
|
| Airlake Airport (293 m, Minnesota) |
0 |
|
| Greenville Downtown Airport (319 m, South Carolina) |
0 |
|
| Glenwood (Asos) (425 m, Minnesota) |
0 |
|
| Orr Regional Airport (397 m, Minnesota) |
6 |
|
| Fergus Falls Airport (361 m, Minnesota) |
8 |
|
| Falls Intl. Airport (362 m, Minnesota) |
6 |
600-1000m |
| Gage Airport (667 m, Oklahoma) |
2 |
|
| Wiarton Airport (223 m, Ontario) |
6 |
1000-1500m |
| Cheboygan Airport (195 m, Michigan) |
6 |
|
| Rogers City Airport (204 m, Michigan) |
8 |
|
| Gogebic- Iron County Airport (375 m, Michigan) |
8 |
|
| Ford Airport (360 m, Michigan) |
8 |
|
| Pellston Regional Airport (217 m, Michigan) |
6 |
|
| Sault Ste. Marie Airport (218 m, Michigan) |
8 |
|
| Sawyer Intl. Airport (372 m, Michigan) |
6 |
|
| Sanikiluaq Airport (32 m, Nunavut) |
8 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
8 |
|
| Gjoa Haven Airport (46 m, Nunavut) |
0 |
>2500m |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
6 |
2000-2500m |
| Aberdeen Airport (397 m, South Dakota) |
0 |
>2500m |
| Sioux Falls Regional Airport (435 m, South Dakota) |
6 |
>2500m |
| Barnes Airport (427 m, North Dakota) |
4 |
|
| Darke County Airport (307 m, Ohio) |
6 |
|
| Guthrie Airport (327 m, Oklahoma) |
0 |
|
| Elk City Regional Business Airport (610 m, Oklahoma) |
0 |
|
| Crossville Airport (569 m, Tennessee) |
0 |
|
| Mary’s Harbour (11 m, Newfoundland) |
8 |
300-600m |
| Tinker Air Force Base (384 m, Oklahoma) |
0 |
|
| Boscobel Airport (205 m, Wisconsin) |
0 |
|
| Will Rogers World Airport (398 m, Oklahoma) |
2 |
>2500m |
| Vance Air Force Base (398 m, Oklahoma) |
0 |
|
| Blackwell Airport (314 m, Oklahoma) |
6 |
|
| Tri-County Regional Airport (219 m, Wisconsin) |
0 |
|
| Monroe Airport (331 m, Wisconsin) |
0 |
|
| Waukesha (284 m, Wisconsin) |
4 |
|
| Appleton Intl. Airport (280 m, Wisconsin) |
0 |
|
| Wausau Downtown Airport (365 m, Wisconsin) |
0 |
|
| Chippewa Valley Regional Airport (271 m, Wisconsin) |
0 |
|
| Indiana (429 m, Pennsylvania) |
8 |
|
| Dane County Regional Airport (264 m, Wisconsin) |
8 |
1500-2000m |
| Wilmington Airport (326 m, Pennsylvania) |
0 |
|
| Grand Strand Airport (10 m, South Carolina) |
0 |
|
| Donaldson Center Airport (291 m, South Carolina) |
0 |
|
| Mitchell Airport (397 m, South Dakota) |
6 |
|
| McGhee Tyson Airport (299 m, Tennessee) |
0 |
>2500m |
| San Angelo Regional Airport (582 m, Texas) |
0 |
>2500m |
| Wichita Falls Regional Airport (314 m, Texas) |
0 |
>2500m |
| Tri-Cities Airport (135 m, Washington) |
0 |
|
| Ephrata Airport (383 m, Washington) |
0 |
|
| Canadian Airport (730 m, Texas) |
0 |
|
| Winkler Airport (855 m, Texas) |
0 |
|
| Richlands Airport (808 m, Virginia) |
0 |
|
| Decatur Airport (319 m, Texas) |
0 |
|
| Pampa (989 m, Texas) |
0 |
|
| Hale County Airport (1028 m, Texas) |
0 |
|
| Puvirnituq (23 m, Quebec) |
8 |
|
| Kickapoo Downtown Airport (304 m, Texas) |
0 |
|
| New River Valley Airport (642 m, Virginia) |
0 |
|
| Geraldton AP (349 m, Ontario) |
8 |
1000-1500m |
| Sedona Airport (1471 m, Arizona) |
0 |
|
| Blytheville Airport (78 m, Arkansas) |
0 |
|
| Stuttgart Airport (68 m, Arkansas) |
0 |
|
| Cartwright Airport (15 m, Newfoundland) |
8 |
300-600m |
| Yampa Valley Airport (2012 m, Colorado) |
0 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Boise Airport (872 m, Idaho) |
0 |
>2500m |
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Island Lake Airport (235 m, Manitoba) |
0 |
>2500m |
| Rockford Airport (226 m, Illinois) |
0 |
>2500m |
| Quad Cities Intl. Airport (181 m, Illinois) |
6 |
>2500m |
| Vermilion Regional Airport (212 m, Illinois) |
0 |
|
| Edgar County Airport (199 m, Illinois) |
0 |
|
| Illinois Valley Regional Airport (199 m, Illinois) |
6 |
|
| Pontiac Airport (201 m, Illinois) |
8 |
|
| Lewis University Airport (231 m, Illinois) |
0 |
|
| Indianapolis Intl. Airport (246 m, Indiana) |
0 |
>2500m |
| Grissom Air Reserve Base (247 m, Indiana) |
0 |
|
| Ogoki Post Airport (181 m, Ontario) |
8 |
1000-1500m |
| Purdue University Airport (182 m, Indiana) |
0 |
|
| Kokomo Airport (253 m, Indiana) |
0 |
|
| Fort Dodge Regional Airport (355 m, Iowa) |
4 |
|
| Davenport Airport (259 m, Iowa) |
8 |
|
| Eastern Iowa Airport (256 m, Iowa) |
6 |
|
| Iowa City Airport (198 m, Iowa) |
0 |
|
| Clarion Airport (354 m, Iowa) |
8 |
|
| Denison (388 m, Iowa) |
8 |
|
| Sheldon (432 m, Iowa) |
8 |
|
| Grinnell Airport (307 m, Iowa) |
0 |
|
| Perry Airport (309 m, Iowa) |
4 |
|
| Marion Airport (262 m, Indiana) |
0 |
|
| Indianapolis Mount Comfort (263 m, Indiana) |
0 |
|
| Powell Airport (1552 m, Wyoming) |
0 |
|
| New Lisbon Airport (276 m, Wisconsin) |
0 |
|
| Mojave Air and Space Port Airport (849 m, California) |
0 |
|
| Mexia Limestone County Airport (166 m, Texas) |
0 |
|
| Henry County Airport (177 m, Tennessee) |
8 |
|
| El Reno (432 m, Oklahoma) |
0 |
|
| Covington Airport (267 m, Kentucky) |
0 |
>2500m |
| Louisville Intl. Airport (149 m, Kentucky) |
0 |
>2500m |
| Bowman Field (167 m, Kentucky) |
0 |
|
| Stuart Powell Field (312 m, Kentucky) |
0 |
|
| Neil Armstrong Airport (278 m, Ohio) |
4 |
|
| Clermont County Airport (257 m, Ohio) |
0 |
|
| Dare County Gunnery Range (3 m, North Carolina) |
0 |
|
| Kenora Airport (406 m, Ontario) |
6 |
1000-1500m |
| Sioux Lookout Airport (390 m, Ontario) |
8 |
600-1000m |
| Adak (5 m, Alaska) |
8 |
200-300m |
| Wexford (396 m, Michigan) |
8 |
|
| Delta County Airport (187 m, Michigan) |
8 |
|
| Toronto/Pearson AP (173 m, Ontario) |
1 |
1500-2000m |
| Beaver Island Airport (204 m, Michigan) |
8 |
|
| Harbor Springs Airport (209 m, Michigan) |
8 |
|
| Minneapolis (255 m, Minnesota) |
0 |
>2500m |
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
0 |
|
| Warroad International Memorial Airport (327 m, Minnesota) |
0 |
|
| St James Muni Arpt (325 m, Minnesota) |
0 |
|
| Faribault Muni Awos (322 m, Minnesota) |
0 |
|
| South St. Paul Airport (250 m, Minnesota) |
0 |
|
| Jackson Airport (441 m, Minnesota) |
0 |
|
| Dodge Center Airport (398 m, Minnesota) |
0 |
|
| Rush City Rgnl Arpt (281 m, Minnesota) |
0 |
|
| Park Rapids Municip (437 m, Minnesota) |
0 |
|
| Grand Marais Airport (505 m, Minnesota) |
4 |
|
| Hallock (250 m, Minnesota) |
4 |
|
| Aitkin Airport (367 m, Minnesota) |
8 |
|
| Pine River (395 m, Minnesota) |
8 |
|
| Ortonville (335 m, Minnesota) |
0 |
|
| Anoka (278 m, Minnesota) |
0 |
|
| Crystal Airport (265 m, Minnesota) |
0 |
|
| Buffalo Airport (295 m, Minnesota) |
6 |
|
| Paynesville Airport (360 m, Minnesota) |
0 |
|
| Waseca Airport (343 m, Minnesota) |
0 |
|
| Olivia Airport (328 m, Minnesota) |
0 |
|
| Slayton Airport (495 m, Minnesota) |
4 |
|
North - South