| Stations: 2772
|
Cloud Cover |
Cloud Base |
| Fillmore County Airport (389 m, Minnesota) |
8 |
|
| Hallock (250 m, Minnesota) |
8 |
|
| Ithaca Tompkins Intl. Airport (335 m, New York) |
8 |
|
| Allegheny (382 m, Pennsylvania) |
8 |
|
| Madison (330 m, Minnesota) |
8 |
|
| Mahnomen Airport (379 m, Minnesota) |
8 |
|
| Charlevoix Airport (204 m, Michigan) |
8 |
|
| Detroit Lakes Airport (426 m, Minnesota) |
8 |
|
| Granite Falls Airport (319 m, Minnesota) |
6 |
|
| Adak (5 m, Alaska) |
8 |
600-1000m |
| La Crosse Regional Airport (202 m, Wisconsin) |
8 |
|
| London Madison County Airport (330 m, Ohio) |
8 |
|
| Winnipeg Airport (239 m, Manitoba) |
6 |
|
| Dodge Center Airport (398 m, Minnesota) |
0 |
|
| Mandan Airport (593 m, North Dakota) |
8 |
|
| Viroqua Airport (394 m, Wisconsin) |
8 |
|
| Fairmont Airport (354 m, Minnesota) |
8 |
|
| South St. Paul Airport (250 m, Minnesota) |
8 |
|
| Minneapolis (255 m, Minnesota) |
8 |
1000-1500m |
| Hutchinson Airport (323 m, Minnesota) |
0 |
|
| Minot Intl. Airport (522 m, North Dakota) |
8 |
|
| New Ulm Airport (308 m, Minnesota) |
8 |
|
| Anoka (278 m, Minnesota) |
6 |
|
| Wheaton Airport (313 m, Minnesota) |
8 |
|
| McGregor Airport (374 m, Minnesota) |
8 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| Houghton (327 m, Michigan) |
8 |
|
| Gwinner Airport (386 m, North Dakota) |
6 |
|
| Fosston (388 m, Minnesota) |
8 |
|
| St James Muni Arpt (325 m, Minnesota) |
8 |
|
| Glenwood (Asos) (425 m, Minnesota) |
4 |
|
| Barnes Airport (427 m, North Dakota) |
8 |
|
| Mackinac Island Airport (226 m, Michigan) |
8 |
|
| Hill Air Force Base (1459 m, Utah) |
6 |
|
| Wilmington Airport (326 m, Pennsylvania) |
6 |
|
| Oelwen (328 m, Iowa) |
8 |
|
| Linton Airport (542 m, North Dakota) |
8 |
|
| Glen Ullin Airport (634 m, North Dakota) |
8 |
|
| Independence Airport (298 m, Iowa) |
8 |
|
| Staples (392 m, Minnesota) |
6 |
|
| Tangier (2 m, Texas) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
0 |
|
| Red Wing Regional Airport (239 m, Minnesota) |
8 |
|
| Airlake Airport (293 m, Minnesota) |
0 |
|
| Buffalo Airport (295 m, Minnesota) |
8 |
|
| Alexandria Airport (432 m, Minnesota) |
8 |
|
| Menomonie Airport (273 m, Wisconsin) |
8 |
|
| Brainerd Lakes Regional Airport (374 m, Minnesota) |
8 |
|
| Hot Springs (1153 m, Virginia) |
4 |
|
| Walhalla Airport (291 m, North Dakota) |
8 |
|
| John F. Kennedy Memorial Airport (251 m, Wisconsin) |
8 |
|
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
8 |
|
| Walker Airport (411 m, Minnesota) |
8 |
|
| Dover Air Force Base (9 m, Delaware) |
8 |
|
| Somerset County Airport (693 m, Pennsylvania) |
8 |
|
| Falls Intl. Airport (362 m, Minnesota) |
8 |
600-1000m |
| Stanton Airfield (280 m, Minnesota) |
0 |
|
| Appleton Airport (310 m, Wisconsin) |
8 |
|
| Olivia Airport (328 m, Minnesota) |
8 |
|
| Frankfort Dow Memorial Field (193 m, Michigan) |
8 |
|
| Butler (193 m, Ohio) |
6 |
|
| Gogebic- Iron County Airport (375 m, Michigan) |
8 |
|
| Cumberland Airport (378 m, Wisconsin) |
8 |
|
| Cleveland Burke Lakefront Airport (178 m, Ohio) |
8 |
|
| Willmar Airport (343 m, Minnesota) |
8 |
|
| Clearfield- Lawrence Airport (462 m, Pennsylvania) |
8 |
|
| Mercer County Regional Airport (553 m, North Dakota) |
8 |
|
| Sawyer Intl. Airport (372 m, Michigan) |
8 |
|
| Langlade (464 m, Wisconsin) |
8 |
|
| Minot Air Force Base (497 m, North Dakota) |
8 |
|
| Independence Airport (251 m, Kansas) |
8 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
6 |
|
| Sauk Centre Muni (379 m, Minnesota) |
8 |
|
| Bismarck Airport (505 m, North Dakota) |
8 |
600-1000m |
| Windom (410 m, Minnesota) |
6 |
|
| DeKalb Airport (279 m, Illinois) |
0 |
|
| Elbow Lake (367 m, Minnesota) |
8 |
|
| Marshfield Airport (389 m, Wisconsin) |
8 |
|
| Pittsburgh Intl. Airport (373 m, Pennsylvania) |
8 |
300-600m |
| Midway Intl. Airport (190 m, Illinois) |
2 |
|
| Flying Cloud Airport (276 m, Minnesota) |
0 |
|
| DuPage Airport (231 m, Illinois) |
0 |
|
| McHenry Airport (894 m, Maryland) |
8 |
|
| Waterloo Regional Airport (268 m, Iowa) |
8 |
1500-2000m |
| Mason (363 m, Iowa) |
8 |
|
| Benson Airport (317 m, Minnesota) |
4 |
|
| Northeast Iowa Regional Airport (343 m, Iowa) |
2 |
|
| Grand Marais Airport (505 m, Minnesota) |
8 |
|
| Ralph Wien Memorial Airport (5 m, Alaska) |
0 |
>2500m |
| Wallops Flight Facility Airport (12 m, Virginia) |
0 |
>2500m |
| Aberdeen Airport (397 m, South Dakota) |
6 |
300-600m |
| Range Regional Airport (410 m, Minnesota) |
8 |
|
| Park Rapids Municip (437 m, Minnesota) |
8 |
|
| Lake Elmo Airport (284 m, Minnesota) |
8 |
|
| Bethel Airport (44 m, Alaska) |
0 |
>2500m |
| Middleton Island Airport (14 m, Alaska) |
8 |
50-100m |
| Watertown Regional Airport (532 m, South Dakota) |
6 |
|
| Greater Binghamton Airport (497 m, New York) |
8 |
1500-2000m |
| Brookings Regional Airport (502 m, South Dakota) |
6 |
|
| Chamberlain (530 m, South Dakota) |
0 |
|
| Syracuse Hancock Intl. Airport (124 m, New York) |
8 |
600-1000m |
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
8 |
1500-2000m |
| Elmira Corning Regional Airport (291 m, New York) |
8 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
4 |
|
| Baudette Intl. Airport (329 m, Minnesota) |
6 |
|
| Ely Airport (443 m, Minnesota) |
8 |
|
| Cape May Airport (7 m, New Jersey) |
6 |
|
| Sky Harbor Airport & Seaplane Base (186 m, Minnesota) |
8 |
|
| Princeton Airport (298 m, Minnesota) |
8 |
|
| Litchfield Airport (347 m, Minnesota) |
4 |
|
| Wadena Airport (418 m, Minnesota) |
6 |
|
| Redwood Falls Muni (312 m, Minnesota) |
8 |
|
| St. Cloud Regional Airport (312 m, Minnesota) |
8 |
|
| Hebbronville Airport (202 m, Texas) |
8 |
|
| Ford Airport (360 m, Michigan) |
8 |
|
| Sault Ste. Marie Airport (218 m, Michigan) |
8 |
|
| Selfridge Air National Guard Base (177 m, Michigan) |
6 |
|
| Willow Run Airport (218 m, Michigan) |
8 |
|
| Maple Lake Airport (313 m, Minnesota) |
8 |
|
| Truth or Consequences Airport (1481 m, New Mexico) |
8 |
>2500m |
| Ocean (4 m, Maryland) |
0 |
|
| Naval Air Station Patuxent River (14 m, Maryland) |
0 |
|
| Hancock (26 m, Maine) |
8 |
|
| Petersburg/Grant C. Arpt (293 m, West-Virginia) |
0 |
|
| Covington Airport (267 m, Kentucky) |
6 |
2000-2500m |
| Rugby Airport (472 m, North Dakota) |
8 |
|
| Marfa Airport (1473 m, Texas) |
8 |
|
| Dayton Intl. Airport (306 m, Ohio) |
8 |
1500-2000m |
| Cuyahoga County Airport (268 m, Ohio) |
8 |
|
| Winnemucca Airport (1322 m, Nevada) |
0 |
>2500m |
| Rickenbacker Intl. Airport (227 m, Ohio) |
8 |
|
| Wright-Patterson Air Force Base (251 m, Ohio) |
8 |
|
| Lima Allen (296 m, Ohio) |
6 |
|
| Chippewa Valley Regional Airport (271 m, Wisconsin) |
8 |
|
| Springfield- Beckley Airport (323 m, Ohio) |
8 |
|
| Toledo Executive Airport (189 m, Ohio) |
0 |
|
| Richard I. Bong Airport (206 m, Wisconsin) |
8 |
|
| Waseca Airport (343 m, Minnesota) |
0 |
|
| Canby Airport (364 m, Minnesota) |
8 |
|
| South Wood County Airport (308 m, Wisconsin) |
8 |
|
| Clines Corner (2160 m, New Mexico) |
8 |
|
| Central Wisconsin Airport (389 m, Wisconsin) |
8 |
|
| Travis Air Force Base (22 m, California) |
0 |
|
| Alva Regional Airport (449 m, Oklahoma) |
8 |
|
| Clintonville Airport (251 m, Wisconsin) |
8 |
|
| Forest City Airport (375 m, Iowa) |
8 |
|
| Crystal Airport (265 m, Minnesota) |
8 |
|
| Keokuk Airport (205 m, Iowa) |
6 |
|
| Marshall Town Muni (296 m, Iowa) |
4 |
|
| Ottumwa Regional Airport (256 m, Iowa) |
0 |
|
| Gary Airport (180 m, Indiana) |
0 |
|
| Morris Airport (178 m, Illinois) |
0 |
|
| Chicago Executive Airport (197 m, Illinois) |
6 |
|
| Aurora Airport (215 m, Illinois) |
0 |
|
| Harrisburg (121 m, Illinois) |
0 |
|
| Rock Falls Airport (197 m, Illinois) |
0 |
|
| Portland- Troutdale Airport (11 m, Oregon) |
0 |
|
| Rochelle Airport (238 m, Illinois) |
0 |
|
| Williamsport Regional Airport (160 m, Pennsylvania) |
6 |
>2500m |
| Altoona (458 m, Pennsylvania) |
8 |
|
| Macomb Airport (216 m, Illinois) |
0 |
|
| Price/Carbon (1799 m, Utah) |
4 |
|
| Johnstown (696 m, Pennsylvania) |
8 |
|
| Raton Airport (1935 m, New Mexico) |
8 |
|
| Rockford Airport (226 m, Illinois) |
0 |
>2500m |
| O’Hare Intl. Airport (205 m, Illinois) |
2 |
2000-2500m |
| University Park Airport (378 m, Pennsylvania) |
6 |
|
| Bemidji Regional Airport (420 m, Minnesota) |
8 |
|
| Rusk County Airport (377 m, Wisconsin) |
8 |
|
| Block (33 m, Rhode Island) |
6 |
|
| Ortonville (335 m, Minnesota) |
8 |
|
| Tioga Airport (684 m, North Dakota) |
8 |
|
| Harvey Airport (487 m, North Dakota) |
8 |
|
| Manitowish Waters Airport (491 m, Wisconsin) |
8 |
|
| Jackson Hole Airport (1964 m, Wyoming) |
6 |
|
| Field of Dreams AP (311 m, Minnesota) |
8 |
|
| Long Prairie Airport (394 m, Minnesota) |
8 |
|
| Stevens Point Airport (338 m, Wisconsin) |
8 |
|
| Prairie du Chien Airport (201 m, Wisconsin) |
8 |
|
| Merrill Airport (401 m, Wisconsin) |
8 |
|
| Oxnard Airport (13 m, California) |
6 |
|
| Yakutat Airport (13 m, Alaska) |
8 |
200-300m |
| Lihue Airport (32 m, Hawaii) |
8 |
600-1000m |
| Mercury/Desert Rock (1006 m, Nevada) |
8 |
2000-2500m |
| Orr Regional Airport (397 m, Minnesota) |
6 |
|
| Manitowoc (198 m, Wisconsin) |
8 |
|
| Warroad International Memorial Airport (327 m, Minnesota) |
8 |
|
| Wittman Regional Airport (246 m, Wisconsin) |
8 |
|
| Atlantic City Airport (20 m, New Jersey) |
2 |
>2500m |
| Cloquet Carlton (390 m, Minnesota) |
8 |
|
| Port Aransas Airport (2 m, Texas) |
8 |
|
| Blackwell Airport (314 m, Oklahoma) |
8 |
|
| Griffiss Intl. Airport (154 m, New York) |
8 |
|
| Jackson Airport (441 m, Minnesota) |
6 |
|
| Catalina Airport (488 m, California) |
0 |
|
| Black River Falls Area Airport (255 m, Wisconsin) |
8 |
|
| Eagle River Union Airport (500 m, Wisconsin) |
8 |
|
| Los Angeles Intl. Airport (30 m, California) |
2 |
600-1000m |
| Chautauqua (211 m, New York) |
8 |
|
| Iowa Falls Airport (347 m, Iowa) |
0 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
8 |
|
| Moosonee Airport (9 m, Quebec) |
8 |
|
| Coeur d'Alene Airport (707 m, Idaho) |
0 |
|
| Fleming-Mason Airport (278 m, Kentucky) |
6 |
|
| Waskish Muni Airpt (360 m, Minnesota) |
8 |
|
| Springfield- Branson National Airport (390 m, Missouri) |
8 |
2000-2500m |
| Wendover Airport (1292 m, Utah) |
0 |
|
| Clarion Airport (354 m, Iowa) |
6 |
|
| Pine Ridge Airport (1015 m, South Dakota) |
0 |
|
| Davenport Airport (259 m, Iowa) |
0 |
|
| Presidio Airport (896 m, Texas) |
0 |
|
| Niagara Falls Intl. Airport (180 m, New York) |
8 |
|
| Logansport Airport (225 m, Indiana) |
0 |
|
| Huntingburg Airport (161 m, Indiana) |
0 |
|
| Pierre Regional Airport (528 m, South Dakota) |
0 |
|
| Delaware (286 m, Indiana) |
2 |
|
| Indianapolis Intl. Airport (246 m, Indiana) |
2 |
2000-2500m |
| Fort Wayne Intl. Airport (252 m, Indiana) |
0 |
>2500m |
| Augusta Airport (405 m, Kansas) |
8 |
|
| Lacon Airport (173 m, Illinois) |
0 |
|
| Greater Kankakee Airport (192 m, Illinois) |
0 |
|
| Lewis University Airport (231 m, Illinois) |
0 |
|
| Burnett County Airport (301 m, Wisconsin) |
6 |
|
| Huron Airport (393 m, South Dakota) |
0 |
>2500m |
| Dawson Community Airport (749 m, Montana) |
0 |
|
| Tomahawk Airport (453 m, Wisconsin) |
8 |
|
| Lawrenceville- Vincennes Intl. Airport (131 m, Illinois) |
0 |
|
| Southern Illinois Airport (125 m, Illinois) |
2 |
|
| Rapid City Airport (965 m, South Dakota) |
8 |
2000-2500m |
| Central Illinois Regional Airport (267 m, Illinois) |
0 |
|
| Savanna Airport (188 m, Illinois) |
0 |
|
| Langley Air Force Base (6 m, Virginia) |
0 |
|
| Logan Intl. Airport (9 m, Massachusetts) |
8 |
300-600m |
| Pueblo Memorial Airport (1439 m, Colorado) |
8 |
1500-2000m |
| Yeager Airport (299 m, West-Virginia) |
0 |
>2500m |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
8 |
>2500m |
| Martha's Vineyard Airport (21 m, Massachusetts) |
8 |
|
| Cape Cod Gateway Airport (16 m, Massachusetts) |
8 |
|
| Provincetown Airport (2 m, Massachusetts) |
8 |
|
| North Central West Virginia Airport (367 m, West-Virginia) |
8 |
|
| Mercer County Airport (871 m, West-Virginia) |
0 |
|
| Blue Grass Airport (301 m, Kentucky) |
6 |
2000-2500m |
| Illinois Valley Regional Airport (199 m, Illinois) |
4 |
|
| Detroit Metropolitan Airport (202 m, Michigan) |
8 |
600-1000m |
| Roscommon (351 m, Michigan) |
8 |
1500-2000m |
| Pontiac Oakland (299 m, Michigan) |
8 |
|
| Southwest Michigan Regional Airport (196 m, Michigan) |
8 |
|
| Cherry Capital Airport (188 m, Michigan) |
8 |
|
| Luke Air Force Base (331 m, Arizona) |
2 |
|
| Fort Yukon Airport (135 m, Alaska) |
8 |
600-1000m |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
8 |
1500-2000m |
| Glencoe Airport (302 m, Minnesota) |
0 |
|
| Pine River (395 m, Minnesota) |
8 |
|
| Topeka Regional Airport (325 m, Kansas) |
0 |
|
| Cleveland Hopkins Intl. Airport (245 m, Ohio) |
8 |
1500-2000m |
| Newton (467 m, Kansas) |
0 |
|
| Garner Field (287 m, Texas) |
8 |
|
| Chippewa (244 m, Michigan) |
8 |
|
| Pellston Regional Airport (217 m, Michigan) |
8 |
|
| Freeport Airport (262 m, Illinois) |
0 |
|
| Findlay Airport (247 m, Ohio) |
0 |
|
| DuBois Airport (554 m, Pennsylvania) |
8 |
|
| Gila Bend Airport (269 m, Arizona) |
6 |
|
| Indiana (429 m, Pennsylvania) |
8 |
|
| Zanesville Airport (274 m, Ohio) |
8 |
|
| Beaver Island Airport (204 m, Michigan) |
8 |
|
| Meadow Lake Airport (2095 m, Colorado) |
8 |
|
| Carmi Airport (118 m, Illinois) |
0 |
|
| Marion Airport (303 m, Ohio) |
8 |
|
| Lorain (242 m, Ohio) |
8 |
|
| Wayne County Airport (346 m, Ohio) |
8 |
|
| Moriarty Airport (1889 m, New Mexico) |
8 |
|
| Willoughby (191 m, Ohio) |
8 |
|
| Thunder Bay Airport (206 m, Ontario) |
8 |
|
| Arnold Palmer Regional Airport (361 m, Pennsylvania) |
8 |
|
| Quad Cities Intl. Airport (181 m, Illinois) |
0 |
>2500m |
| Duluth Airport (432 m, Minnesota) |
8 |
600-1000m |
| South Big Horn Co Arpt (1201 m, Wyoming) |
2 |
|
| Mountain Empire Airport (780 m, Virginia) |
0 |
|
| Lakeland Airport (496 m, Wisconsin) |
8 |
|
| Union County Airport (311 m, Ohio) |
6 |
|
| Darke County Airport (307 m, Ohio) |
8 |
|
| Monroe Airport (331 m, Wisconsin) |
0 |
|
| Tri-County Regional Airport (219 m, Wisconsin) |
6 |
|
| Southern Wisconsin Regional Airport (246 m, Wisconsin) |
0 |
|
| Chetek Airport (322 m, Wisconsin) |
8 |
|
| Snyder (741 m, Texas) |
8 |
|
| McGuire Air Force Base (41 m, New Jersey) |
8 |
|
| Pleasanton Airport (131 m, Texas) |
8 |
|
| Alamogordo (1279 m, New Mexico) |
8 |
|
| Chibougamau-Chapais AP (387 m, Quebec) |
8 |
|
| Las Vegas Airport (2092 m, New Mexico) |
8 |
|
| Holloman Air Force Base (1248 m, New Mexico) |
6 |
|
| Angel Fire Airport (2554 m, New Mexico) |
8 |
|
| Buffalo Niagara Intl. Airport (219 m, New York) |
8 |
300-600m |
| Greater Rochester Intl. Airport (169 m, New York) |
8 |
600-1000m |
| Cortland Airport (365 m, New York) |
8 |
|
| Republic Airport (25 m, New York) |
2 |
|
| Wheeler-Sack Army Airfield (207 m, New York) |
8 |
|
| Adirondack Regional Airport (507 m, New York) |
8 |
|
| Carrizo Hill Airport (183 m, Texas) |
8 |
|
| Wellsboro Airport (577 m, Pennsylvania) |
8 |
|
| Moore County Airport (141 m, North Carolina) |
8 |
|
| Hillsboro Airport (209 m, Texas) |
8 |
|
| Graham Airport (342 m, Texas) |
8 |
|
| Triangle North Executive Airport (113 m, North Carolina) |
0 |
|
| Ross County Airport (221 m, Ohio) |
4 |
|
| Odessa Airport (902 m, Texas) |
8 |
|
| Toledo Express Airport (211 m, Ohio) |
2 |
1500-2000m |
| Cincinnati Municipal Lunken Airport (147 m, Ohio) |
2 |
|
| Cincinnati West Airport (178 m, Ohio) |
8 |
|
| Ohio State University Airport (276 m, Ohio) |
8 |
|
| Neil Armstrong Airport (278 m, Ohio) |
6 |
|
| Gordon K. Bush Airport (234 m, Ohio) |
8 |
|
| Bellefontaine Regional Airport (342 m, Ohio) |
8 |
|
| Clermont County Airport (257 m, Ohio) |
4 |
|
| Ponca (304 m, Oklahoma) |
8 |
|
| Valley Intl. Airport (10 m, Texas) |
0 |
|
| Buckhannon Airport (498 m, West-Virginia) |
8 |
|
| Saskatoon AP (503 m, Saskatchewan) |
0 |
|
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
6 |
>2500m |
| Pittsburgh-Butler Regional Airport (380 m, Pennsylvania) |
8 |
|
| Harrisburg Intl. Airport (94 m, Pennsylvania) |
6 |
|
| Kerrville Airport (493 m, Texas) |
8 |
|
| York Airport (144 m, Pennsylvania) |
4 |
|
| Rhode (19 m, Rhode Island) |
8 |
300-600m |
| Newport State Airport (52 m, Rhode Island) |
8 |
|
| Fort Worth Meacham Intl. Airport (216 m, Texas) |
8 |
|
| Dalhart Airport (1216 m, Texas) |
8 |
|
| Cotulla (144 m, Texas) |
8 |
|
| Chan Gurney Airport (398 m, South Dakota) |
2 |
|
| Mitchell Airport (397 m, South Dakota) |
4 |
|
| Ellsworth Air Force Base (979 m, South Dakota) |
8 |
|
| McGhee Tyson Airport (299 m, Tennessee) |
0 |
>2500m |
| El Paso Intl. Airport (1194 m, Texas) |
2 |
>2500m |
| Abilene Airport (546 m, Texas) |
8 |
50-100m |
| Buckeye Airport (315 m, Arizona) |
8 |
|
| Fort Morgan Airport (1393 m, Colorado) |
0 |
|
| Kodiak Airport (34 m, Alaska) |
8 |
2000-2500m |
| Delaware Coastal Airport (16 m, Delaware) |
0 |
|
| Cold Bay Airport (31 m, Alaska) |
8 |
300-600m |
| Naval Station Mayport (5 m, Florida) |
2 |
|
| Evanston Airport (2177 m, Wyoming) |
0 |
|
North - South