| Stations: 2841
|
Cloud Cover |
Cloud Base |
| Calgary Intl. Airport (1084 m, Alberta) |
6 |
|
| Penticton Airport (344 m, British Columbia) |
8 |
600-1000m |
| Dickinson Theodore Roosevelt Regional A (787 m, North Dakota) |
0 |
|
| Burwash Landing Airport (807 m, Yukon) |
0 |
>2500m |
| Cold Bay Airport (31 m, Alaska) |
8 |
300-600m |
| Worthington (480 m, Minnesota) |
0 |
|
| Slayton Airport (495 m, Minnesota) |
0 |
|
| Florence Airport (1658 m, Colorado) |
0 |
|
| Quesnel Airport (545 m, British Columbia) |
2 |
|
| Saint John's AP (135 m, Newfoundland) |
8 |
300-600m |
| Bellingham Intl. Airport (45 m, Washington) |
2 |
|
| Havre (792 m, Montana) |
0 |
>2500m |
| Allen Army Airfield (391 m, Alaska) |
8 |
1500-2000m |
| Cape Parry AP (14 m, Northwest Territories) |
8 |
200-300m |
| Windom (410 m, Minnesota) |
0 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
0 |
|
| Sandberg Airport (1379 m, California) |
0 |
>2500m |
| Houma- Terrebonne Airport (3 m, Mississippi) |
8 |
|
| Keesler Air Force Base (10 m, Mississippi) |
8 |
|
| Billings Logan Intl. Airport (1088 m, Montana) |
0 |
>2500m |
| Casa Grande Airport (446 m, Arizona) |
0 |
|
| Malmstrom Air Force Base (1056 m, Montana) |
0 |
|
| Quesnal (545 m, British Columbia) |
2 |
>2500m |
| Estherville Muni (401 m, Iowa) |
0 |
|
| Spencer Airport (408 m, Iowa) |
0 |
|
| Sable Island (1 m, Nova Scotia) |
8 |
600-1000m |
| Dillingham Airport (29 m, Alaska) |
8 |
200-300m |
| Gillette (1230 m, Wyoming) |
0 |
|
| Casper (1612 m, Wyoming) |
0 |
>2500m |
| Sable Island AP (5 m, Nova Scotia) |
8 |
|
| Springbank (1201 m, Alberta) |
8 |
|
| Kamloops Airport (345 m, British Columbia) |
8 |
1500-2000m |
| Bethel Airport (44 m, Alaska) |
6 |
>2500m |
| Lake Charles Airport (5 m, Louisiana) |
8 |
300-600m |
| Chennault Intl. Airport (4 m, Louisiana) |
8 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
8 |
|
| Portland- Troutdale Airport (11 m, Oregon) |
0 |
|
| Clyde AP (27 m, Nunavut) |
8 |
1000-1500m |
| Hettinger Airport (824 m, North Dakota) |
0 |
|
| Sedona Airport (1471 m, Arizona) |
0 |
|
| Perry Stokes Airport (1756 m, Colorado) |
0 |
|
| Mandan Airport (593 m, North Dakota) |
0 |
|
| Beach Airport (840 m, North Dakota) |
2 |
|
| Arthur N. Neu Airport (375 m, Iowa) |
0 |
|
| Clinton Airport (216 m, Iowa) |
8 |
|
| Pompano Beach Airport (7 m, Florida) |
0 |
|
| L. M. Clayton Airport (605 m, Montana) |
0 |
|
| Midway Intl. Airport (190 m, Illinois) |
8 |
|
| Baker Airport (902 m, Montana) |
0 |
|
| Jerome (1233 m, Idaho) |
0 |
|
| Trent Lott Intl. Airport (5 m, Mississippi) |
8 |
|
| Gander Airport (151 m, Newfoundland) |
8 |
200-300m |
| Tracy Airport (408 m, Minnesota) |
0 |
|
| Palacios Airport (5 m, Texas) |
6 |
|
| Friday Harbor Airport (33 m, Washington) |
2 |
|
| Jack Brooks Regional Airport (7 m, Texas) |
8 |
300-600m |
| Jackson Airport (441 m, Minnesota) |
0 |
|
| La Grande/Union County Airport (826 m, Oregon) |
0 |
|
| Fairmont Airport (354 m, Minnesota) |
0 |
|
| Owatonna (Awos) (350 m, Minnesota) |
0 |
|
| New Ulm Airport (308 m, Minnesota) |
0 |
|
| Pipestone Airport (529 m, Minnesota) |
0 |
|
| Orcas Island Airport (9 m, Washington) |
6 |
|
| Sudbury Airport (348 m, Ontario) |
8 |
200-300m |
| Windsor Airport (190 m, Ontario) |
8 |
600-1000m |
| Rochester Intl. Airport (402 m, Minnesota) |
0 |
>2500m |
| Black Hills Airport (1188 m, South Dakota) |
0 |
|
| Inukjuak (25 m, Quebec) |
8 |
300-600m |
| Hill Air Force Base (1459 m, Utah) |
2 |
|
| Nipawin Airport (374 m, Saskatchewan) |
4 |
>2500m |
| Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) |
6 |
1500-2000m |
| Shingle Point AP (49 m, Yukon) |
8 |
50-100m |
| Galliano Airport (0 m, Louisiana) |
8 |
|
| Mercury/Desert Rock (1006 m, Nevada) |
0 |
>2500m |
| New Orleans Airport (9 m, Louisiana) |
8 |
200-300m |
| Lytton Airport (225 m, British Columbia) |
8 |
|
| Swift Current Airport (818 m, Saskatchewan) |
0 |
|
| Mobile Intl. Airport (8 m, Alabama) |
8 |
|
| Kodiak Airport (34 m, Alaska) |
8 |
300-600m |
| Tucson Intl. Airport (779 m, Arizona) |
0 |
>2500m |
| Fort Lauderdale (7 m, Florida) |
2 |
|
| Baker City Airport (1026 m, Oregon) |
8 |
|
| Saguache (2385 m, Colorado) |
0 |
|
| Rohnerville Airport (120 m, California) |
0 |
|
| Mackinac Island Airport (226 m, Michigan) |
8 |
|
| Wawa (287 m, Ontario) |
8 |
300-600m |
| Roscommon (351 m, Michigan) |
8 |
300-600m |
| Brownsville/South Padre (8 m, Texas) |
8 |
600-1000m |
| Philip Airport (673 m, South Dakota) |
0 |
|
| Tri-County Regional Airport (219 m, Wisconsin) |
8 |
|
| Muskegon (193 m, Michigan) |
8 |
300-600m |
| Estevan Airport (584 m, Saskatchewan) |
0 |
>2500m |
| SwiftCurrent (820 m, Saskatchewan) |
0 |
>2500m |
| Mobile Regional Airport (67 m, Alabama) |
8 |
100-200m |
| Rochelle Airport (238 m, Illinois) |
8 |
|
| Gerald R. Ford Intl. Airport (245 m, Michigan) |
8 |
600-1000m |
| Wayne Airport (436 m, Nebraska) |
0 |
|
| Miramichi AP (31 m, New Brunswick) |
8 |
300-600m |
| Aransas (8 m, Texas) |
6 |
|
| Fond du Lac (246 m, Wisconsin) |
8 |
|
| Green Bay (209 m, Wisconsin) |
8 |
200-300m |
| Southland Field (3 m, Louisiana) |
8 |
|
| Algona Airport (372 m, Iowa) |
0 |
|
| Sheboygan (228 m, Wisconsin) |
8 |
|
| Kimball Airport (1501 m, Nebraska) |
0 |
|
| Valley Intl. Airport (10 m, Texas) |
8 |
|
| Portland Airport (12 m, Oregon) |
8 |
600-1000m |
| Nellis Air Force Base (570 m, Nevada) |
0 |
|
| Sidney Airport (1312 m, Nebraska) |
0 |
|
| San Marcos Regional Airport (182 m, Texas) |
2 |
|
| Iowa Falls Airport (347 m, Iowa) |
0 |
|
| Yampa Valley Airport (2012 m, Colorado) |
0 |
|
| Nome Airport (6 m, Alaska) |
4 |
2000-2500m |
| Coral Harbour Airport (64 m, Nunavut) |
0 |
0-50m |
| Clines Corner (2160 m, New Mexico) |
0 |
|
| Mason (197 m, Michigan) |
8 |
|
| Gwinner Airport (386 m, North Dakota) |
0 |
|
| Greater Kankakee Airport (192 m, Illinois) |
8 |
|
| Blytheville Airport (78 m, Arkansas) |
8 |
|
| Clinton/Bleibler Ranch Aerodrome (1128 m, British Columbia) |
8 |
|
| Hurlburt Field (11 m, Florida) |
8 |
|
| Sawyer County Airport (370 m, Wisconsin) |
8 |
|
| Abbeville Chris Crusta Memorial Airport (5 m, Louisiana) |
8 |
|
| Slidell Airport (8 m, Louisiana) |
8 |
|
| Vancouver Airport (4 m, British Columbia) |
8 |
600-1000m |
| Naval Air Station Pensacola Airport (9 m, Florida) |
8 |
|
| Madison Airport (523 m, South Dakota) |
0 |
|
| Stanton Airfield (280 m, Minnesota) |
0 |
|
| Rock Falls Airport (197 m, Illinois) |
8 |
|
| Acadiana Regional Airport (7 m, Louisiana) |
8 |
|
| Yellowknife Airport (206 m, Northwest Territories) |
8 |
50-100m |
| Cambridge Bay Airport (23 m, Nunavut) |
8 |
100-200m |
| Minot Intl. Airport (522 m, North Dakota) |
0 |
|
| Skagit Regional Airport (44 m, Washington) |
8 |
|
| West Michigan Regional Airport (210 m, Michigan) |
8 |
|
| Lafayette Regional Airport (13 m, Louisiana) |
8 |
|
| Mason (363 m, Iowa) |
0 |
|
| Appleton Intl. Airport (280 m, Wisconsin) |
8 |
|
| Englehart Airport (243 m, Ontario) |
8 |
300-600m |
| Corona Airport (163 m, California) |
0 |
|
| Barnes Airport (427 m, North Dakota) |
0 |
|
| Memphis Airport (87 m, Tennessee) |
8 |
2000-2500m |
| Denver Intl. Airport (1656 m, Colorado) |
0 |
>2500m |
| Beaumont Airport (10 m, Texas) |
8 |
|
| Eareckson Air Station (31 m, Alaska) |
2 |
1000-1500m |
| Sioux Gateway Airport (336 m, Iowa) |
0 |
>2500m |
| Granite Falls Airport (319 m, Minnesota) |
0 |
|
| Bay City Airport (14 m, Texas) |
8 |
|
| Prince Rupert (35 m, British Columbia) |
8 |
1500-2000m |
| Lytton (225 m, British Columbia) |
8 |
1500-2000m |
| Del Norte Airport (2425 m, Colorado) |
0 |
|
| Iliamna Airport (49 m, Alaska) |
4 |
1000-1500m |
| Storm Lake Airport (454 m, Iowa) |
0 |
|
| Sheldon (432 m, Iowa) |
0 |
|
| Miller Field Airport (792 m, Nebraska) |
0 |
>2500m |
| Luce (265 m, Michigan) |
8 |
|
| Lloydminster Airport (669 m, Alberta) |
2 |
>2500m |
| Waseca Airport (343 m, Minnesota) |
0 |
|
| Monroe Airport (331 m, Wisconsin) |
8 |
|
| Fort Dodge Regional Airport (355 m, Iowa) |
0 |
|
| Webster City (342 m, Iowa) |
0 |
|
| South Bend Intl. Airport (236 m, Indiana) |
8 |
300-600m |
| Stuttgart Airport (68 m, Arkansas) |
8 |
|
| Prince Rupert Airport (36 m, British Columbia) |
8 |
|
| Nogales Airport (1184 m, Arizona) |
0 |
|
| Juneau Intl. Airport (7 m, Alaska) |
8 |
200-300m |
| Russell Airport (566 m, Kansas) |
0 |
|
| Powell Airport (1552 m, Wyoming) |
0 |
|
| Dyersburg Regional Airport (102 m, Tennessee) |
0 |
|
| McKellar- Sipes Regional Airport (132 m, Tennessee) |
8 |
|
| Mary's Harbour Airport (12 m, Newfoundland) |
8 |
|
| Beaver Island Airport (204 m, Michigan) |
8 |
|
| Makkovik Airport (71 m, Newfoundland) |
0 |
|
| Gogebic- Iron County Airport (375 m, Michigan) |
8 |
|
| Houghton (327 m, Michigan) |
8 |
|
| Quad Cities Intl. Airport (181 m, Illinois) |
8 |
300-600m |
| Medicine Hat (717 m, Alberta) |
0 |
>2500m |
| Ephraim (236 m, Wisconsin) |
8 |
|
| Hall Beach Airport (7 m, Nunavut) |
0 |
|
| Olivia Airport (328 m, Minnesota) |
0 |
|
| Pellston Regional Airport (217 m, Michigan) |
8 |
|
| Chippewa (244 m, Michigan) |
8 |
|
| W Memphis Municipal (64 m, Arkansas) |
6 |
|
| Cheyenne Regional Airport (1872 m, Wyoming) |
0 |
>2500m |
| Chapleau Airport (447 m, Ontario) |
8 |
300-600m |
| Grinnell Airport (307 m, Iowa) |
8 |
|
| Laughlin Air Force Base (327 m, Texas) |
8 |
|
| Sault Ste. Marie Airport (218 m, Michigan) |
8 |
|
| Ellington Field Joint Reserve Base (10 m, Texas) |
8 |
|
| Central Nebraska Regional Airport (566 m, Nebraska) |
0 |
>2500m |
| Key West Airport (5 m, Florida) |
2 |
1000-1500m |
| Palm Beach Intl. Airport (6 m, Florida) |
6 |
1000-1500m |
| O’Hare Intl. Airport (205 m, Illinois) |
8 |
300-600m |
| Boone Airport (354 m, Iowa) |
0 |
|
| Gooding Airport (1138 m, Idaho) |
4 |
|
| Monticello Regional Airport (259 m, Iowa) |
8 |
|
| Fillmore County Airport (389 m, Minnesota) |
0 |
|
| Gary Airport (180 m, Indiana) |
8 |
|
| Destin (7 m, Georgia) |
8 |
|
| Lihue Airport (32 m, Hawaii) |
0 |
>2500m |
| Naval Air Station Kingsville Airport (17 m, Texas) |
8 |
|
| Destin (29 m, Florida) |
8 |
|
| Winner Regional Airport (619 m, South Dakota) |
0 |
|
| Sawyer Intl. Airport (372 m, Michigan) |
8 |
|
| La Grande Rivière Airport (195 m, Quebec) |
8 |
50-100m |
| Porter (234 m, Indiana) |
8 |
|
| Manistique (209 m, Michigan) |
8 |
|
| Austin Executive Airport (188 m, Texas) |
6 |
|
| Buckley Space Force Base (1726 m, Colorado) |
0 |
|
| United States Air Force Academy (1999 m, Colorado) |
0 |
|
| Magdalen Islands Airport (18 m, Quebec) |
7 |
300-600m |
| Gaylord Airport (404 m, Michigan) |
8 |
|
| Goshen Airport (252 m, Indiana) |
8 |
|
| Coleman A. Young Intl. Airport (191 m, Michigan) |
8 |
|
| Santa Fe Regional Airport (1933 m, New Mexico) |
0 |
|
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
8 |
100-200m |
| Wausau Downtown Airport (365 m, Wisconsin) |
8 |
|
| Killeen (283 m, Texas) |
8 |
|
| Jasper Airport (65 m, Texas) |
8 |
|
| Naval Air Station Joint Reserve Base Fo (198 m, Texas) |
6 |
|
| Oskaloosa Airport (256 m, Iowa) |
8 |
|
| Madison (330 m, Minnesota) |
0 |
|
| Yakutat Airport (13 m, Alaska) |
8 |
200-300m |
| Southern Wisconsin Regional Airport (246 m, Wisconsin) |
8 |
|
| William P. Hobby Airport (14 m, Texas) |
8 |
|
| John F. Kennedy Memorial Airport (251 m, Wisconsin) |
8 |
|
| John H. Batten Airport (205 m, Wisconsin) |
8 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
0 |
|
| Chan Gurney Airport (398 m, South Dakota) |
0 |
|
| Torrington Airport (1281 m, Wyoming) |
0 |
|
| Orange County Airport (4 m, Texas) |
8 |
|
| La Junta Airport (1278 m, Colorado) |
8 |
|
| Manitowoc (198 m, Wisconsin) |
8 |
|
| Kokomo Airport (253 m, Indiana) |
8 |
|
| Jennings Airport (7 m, Louisiana) |
8 |
|
| Mercer County Regional Airport (553 m, North Dakota) |
0 |
|
| Dubuque Regional Airport (329 m, Iowa) |
8 |
300-600m |
| Miles City Airport (801 m, Montana) |
0 |
|
| Wittman Regional Airport (246 m, Wisconsin) |
8 |
|
| Ogden-Hinckley Airport (1362 m, Utah) |
2 |
|
| Tunica Airport (59 m, Mississippi) |
8 |
|
| Door (221 m, Wisconsin) |
8 |
|
| Mahnomen Airport (379 m, Minnesota) |
0 |
|
| Hot Springs (1153 m, Virginia) |
4 |
|
| Fort Wayne Intl. Airport (252 m, Indiana) |
8 |
600-1000m |
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
4 |
1500-2000m |
| Clintonville Airport (251 m, Wisconsin) |
8 |
|
| Faribault Muni Awos (322 m, Minnesota) |
0 |
|
| McAllen Miller Intl. Airport (33 m, Texas) |
6 |
|
| Dewar Lakes AP (488 m, Nunavut) |
8 |
100-200m |
| Frankfort Airport (262 m, Indiana) |
8 |
|
| Kenosha Regional Airport (226 m, Wisconsin) |
8 |
|
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
3 |
600-1000m |
| South Texas Regional Airport at Hondo (283 m, Texas) |
8 |
|
| Yuma Intl. Airport (65 m, Arizona) |
0 |
|
| Boca Raton Airport (4 m, Florida) |
4 |
|
| South Texas International Airport at Ed (24 m, Texas) |
6 |
|
| Brainerd Lakes Regional Airport (374 m, Minnesota) |
0 |
|
| Allen Parish Airport (33 m, Louisiana) |
8 |
|
| Minot Air Force Base (497 m, North Dakota) |
0 |
|
| Wheeler-Sack Army Airfield (207 m, New York) |
8 |
|
| Tioga Airport (684 m, North Dakota) |
0 |
|
| Glenwood (Asos) (425 m, Minnesota) |
0 |
|
| New Orleans (NAS) (0 m, Louisiana) |
8 |
|
| Monroe Regional Airport (24 m, Louisiana) |
8 |
|
| George Bush Intercontinental Airport (33 m, Texas) |
6 |
300-600m |
| Crosby Airport (594 m, North Dakota) |
0 |
|
| Clinton National Airport (79 m, Arkansas) |
8 |
|
| Fort Polk (110 m, Louisiana) |
8 |
|
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
0 |
|
| Timmins Victor M. Power Airport (295 m, Ontario) |
7 |
300-600m |
| Pullman- Moscow Regional Airport (778 m, Washington) |
2 |
|
North - South