| Stations: 2830
|
Cloud Cover |
Cloud Base |
| Marfa Airport (1473 m, Texas) |
0 |
|
| Key West Airport (5 m, Florida) |
6 |
300-600m |
| Kit Carson County Airport (1285 m, Colorado) |
6 |
|
| Appleton Intl. Airport (280 m, Wisconsin) |
8 |
|
| Havre (792 m, Montana) |
0 |
>2500m |
| Logan Intl. Airport (9 m, Massachusetts) |
6 |
600-1000m |
| Puvirnituq (23 m, Quebec) |
0 |
|
| Pine Springs (1663 m, Texas) |
2 |
|
| Fort Stockton- Pecos County Airport (917 m, Texas) |
6 |
|
| Naval Air Station Key West (2 m, Florida) |
6 |
|
| Cape Parry AP (14 m, Northwest Territories) |
0 |
>2500m |
| Inukjuak (25 m, Quebec) |
0 |
>2500m |
| Hollister Airport (70 m, California) |
0 |
|
| Paso Robles Airport (255 m, California) |
0 |
|
| Palm Springs Intl. Airport (141 m, California) |
0 |
|
| Roberval Airport (187 m, Quebec) |
7 |
1000-1500m |
| Thomaston (243 m, Georgia) |
8 |
|
| Eastern Sierra Regional Airport (1263 m, California) |
0 |
>2500m |
| Palmdale Regional Airport (774 m, California) |
0 |
|
| Bridgeport Airport (260 m, Texas) |
8 |
|
| Baker Airport (902 m, Montana) |
0 |
|
| Alturas Airport (1341 m, California) |
0 |
|
| Wittman Regional Airport (246 m, Wisconsin) |
6 |
|
| Reno (1341 m, Nevada) |
2 |
>2500m |
| Masset Airport (8 m, British Columbia) |
2 |
|
| Luke Air Force Base (331 m, Arizona) |
0 |
|
| Resolute AP (67 m, Nunavut) |
8 |
1500-2000m |
| Magdalen Islands Airport (18 m, Quebec) |
3 |
>2500m |
| Salinas Airport (26 m, California) |
0 |
|
| Fort Carson (1789 m, Colorado) |
8 |
|
| Riverside Airport (249 m, California) |
0 |
|
| Blythe Airport (118 m, California) |
6 |
|
| Sarasota (9 m, Florida) |
8 |
|
| Daniel K. Inouye Intl. Airport (5 m, Hawaii) |
4 |
600-1000m |
| Clearwater Air Park (22 m, Florida) |
8 |
|
| Monroe Airport (331 m, Wisconsin) |
0 |
|
| Toronto/Pearson AP (173 m, Ontario) |
5 |
1500-2000m |
| Shingle Point AP (49 m, Yukon) |
4 |
>2500m |
| Monmouth Executive Airport (48 m, New Jersey) |
4 |
|
| Oakland Intl. Airport (6 m, California) |
4 |
|
| Saint-Pierre (24 m, Saint Pierre and Miquelon) |
1 |
200-300m |
| Jimmy Lake (636 m, Saskatchewan) |
7 |
300-600m |
| Sandberg Airport (1379 m, California) |
0 |
>2500m |
| Kenosha Regional Airport (226 m, Wisconsin) |
0 |
|
| Sky Harbor Airport & Seaplane Base (186 m, Minnesota) |
8 |
|
| Napa Airport (10 m, California) |
0 |
|
| Santa Maria Public Airport (73 m, California) |
2 |
300-600m |
| Vandenberg Space Force Base (112 m, California) |
8 |
|
| Colorado Springs Airport (1881 m, Colorado) |
6 |
|
| Page Field (4 m, Florida) |
8 |
|
| Phoenix Goodyear Airport (295 m, Arizona) |
4 |
|
| Zamperini Field (27 m, California) |
2 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
0 |
|
| Lompoc Airport (27 m, California) |
6 |
|
| Beach Airport (840 m, North Dakota) |
4 |
|
| Double Eagle II Airport (1779 m, New Mexico) |
4 |
|
| Tasiujaq (31 m, Quebec) |
6 |
|
| Moffett Federal Airfield (12 m, California) |
0 |
|
| Fort Morgan Airport (1393 m, Colorado) |
6 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
6 |
|
| Glendale Airport (325 m, Arizona) |
2 |
|
| Odessa Airport (902 m, Texas) |
6 |
|
| Reno Stead Airport (1539 m, Nevada) |
0 |
|
| Glasgow Airport (693 m, Montana) |
0 |
>2500m |
| Santa Fe Regional Airport (1933 m, New Mexico) |
8 |
|
| Harriet Alexander Field (2293 m, Colorado) |
0 |
|
| Matagami (280 m, California) |
0 |
>2500m |
| Adak (5 m, Alaska) |
8 |
300-600m |
| Port Heiden Airport (29 m, Alaska) |
8 |
300-600m |
| Dare (4 m, North Carolina) |
0 |
|
| South County Arpt Of Santa Clara County (86 m, California) |
0 |
|
| Sydney Airport (72 m, Nova Scotia) |
7 |
200-300m |
| Dillingham Airport (29 m, Alaska) |
8 |
300-600m |
| San Antonio Intl. Airport (242 m, Texas) |
6 |
600-1000m |
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
4 |
1000-1500m |
| Croker Rvr (69 m, Northwest Territories) |
7 |
2000-2500m |
| Kimball Airport (1501 m, Nebraska) |
6 |
|
| Wabush Airport (551 m, Newfoundland) |
8 |
300-600m |
| Ottawa Int AP (114 m, Ontario) |
6 |
1500-2000m |
| Port Aransas Airport (2 m, Texas) |
8 |
|
| Provincetown Airport (2 m, Massachusetts) |
2 |
|
| Four Corners Regional Airport (1677 m, New Mexico) |
0 |
|
| Prineville Airport (991 m, Oregon) |
0 |
|
| United States Air Force Academy (1999 m, Colorado) |
6 |
|
| Crookston Airport (273 m, Minnesota) |
4 |
|
| Cheyenne County Airport (1040 m, Kansas) |
0 |
|
| Elkhart (1099 m, Kansas) |
6 |
|
| Clines Corner (2160 m, New Mexico) |
0 |
|
| Tehachapi Airport (1220 m, California) |
0 |
|
| Coast Guard Air Station Port Angeles (4 m, Washington) |
0 |
|
| Petawawa Heliport (130 m, Ontario) |
4 |
>2500m |
| Palm Beach Intl. Airport (6 m, Florida) |
6 |
600-1000m |
| Green Bay (209 m, Wisconsin) |
8 |
300-600m |
| Gila Bend Airport (269 m, Arizona) |
2 |
|
| Eddie Andreini Sr. Airfield (20 m, California) |
8 |
|
| Palo Alto Airport (2 m, California) |
2 |
|
| Southwest Florida Intl. Airport (9 m, Florida) |
8 |
|
| Naval Air Station Lemoore (73 m, California) |
0 |
|
| Madera Airport (77 m, California) |
0 |
|
| Coral Harbour Airport (64 m, Nunavut) |
5 |
1500-2000m |
| Halifax Airport (145 m, Nova Scotia) |
8 |
50-100m |
| Corvallis Airport (75 m, Oregon) |
0 |
|
| Milwaukee Mitchell Intl. Airport (211 m, Wisconsin) |
6 |
1500-2000m |
| L. M. Clayton Airport (605 m, Montana) |
6 |
|
| Bella Coola Airport (35 m, British Columbia) |
2 |
|
| Ukiah Airport (187 m, California) |
0 |
|
| Santa Rose Airport (38 m, California) |
0 |
|
| Watertown Regional Airport (532 m, South Dakota) |
8 |
|
| Pierre Regional Airport (528 m, South Dakota) |
6 |
|
| Sioux Falls Regional Airport (435 m, South Dakota) |
8 |
300-600m |
| March Air Reserve Base (468 m, California) |
0 |
|
| Ryan Airfield (737 m, Arizona) |
0 |
|
| Lewis University Airport (231 m, Illinois) |
0 |
|
| Oxnard Airport (13 m, California) |
0 |
|
| Taos Airport (2161 m, New Mexico) |
2 |
|
| Livermore Airport (121 m, California) |
0 |
|
| Roscoe Turner Airport (130 m, Mississippi) |
6 |
|
| Blanc-Sablon Airport (32 m, Quebec) |
8 |
200-300m |
| Keats Point (330 m, Northwest Territories) |
0 |
>2500m |
| Casa Grande Airport (446 m, Arizona) |
0 |
|
| Presidio Airport (896 m, Texas) |
0 |
|
| Val-d'Or (337 m, California) |
8 |
600-1000m |
| Sheboygan (228 m, Wisconsin) |
6 |
|
| Sioux Gateway Airport (336 m, Iowa) |
4 |
1500-2000m |
| Chino Airport (199 m, California) |
0 |
|
| Kuujjuaq Airport (44 m, Quebec) |
6 |
300-600m |
| Lake County Airport (3026 m, Colorado) |
0 |
|
| Denver Intl. Airport (1656 m, Colorado) |
6 |
2000-2500m |
| Safford Regional Airport (950 m, Arizona) |
0 |
|
| St. Johns Industrial Air Park (1747 m, Arizona) |
2 |
|
| Flagstaff/Belemont (2181 m, Arizona) |
0 |
>2500m |
| Ernest A. Love Field Airport (1537 m, Arizona) |
0 |
|
| Carson City Airport (1432 m, Nevada) |
0 |
|
| Burnett County Airport (301 m, Wisconsin) |
8 |
|
| Tallahassee Intl. Airport (18 m, Florida) |
6 |
600-1000m |
| Sanirajak (8 m, California) |
0 |
>2500m |
| Kingman Airport (1033 m, Arizona) |
0 |
>2500m |
| Broken Bow Airport (776 m, Nebraska) |
6 |
|
| Dewar Lakes AP (488 m, Nunavut) |
8 |
300-600m |
| Naples Airport (3 m, Florida) |
8 |
|
| Winkler Airport (855 m, Texas) |
2 |
|
| Grand Forks Intl. Airport (255 m, North Dakota) |
8 |
|
| Mission Field (1418 m, Montana) |
0 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
6 |
|
| Helena Regional Airport (1188 m, Montana) |
0 |
>2500m |
| Burwash Landing Airport (807 m, Yukon) |
0 |
>2500m |
| Aransas (8 m, Texas) |
6 |
|
| Big Bear Airport (2058 m, California) |
4 |
|
| Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) |
8 |
>2500m |
| Allen Army Airfield (391 m, Alaska) |
8 |
1500-2000m |
| Hall Beach Airport (7 m, Nunavut) |
2 |
|
| Hector Intl. Airport (274 m, North Dakota) |
8 |
1000-1500m |
| West Yellowstone Airport (2025 m, Montana) |
4 |
|
| Port Hardy Airport (22 m, British Columbia) |
6 |
300-600m |
| Robstown Airport (24 m, Texas) |
6 |
|
| Pueblo Memorial Airport (1439 m, Colorado) |
0 |
>2500m |
| Buckley Space Force Base (1726 m, Colorado) |
6 |
|
| Cortez Airport (1803 m, Colorado) |
0 |
|
| Eagle County Regional Airport (1993 m, Colorado) |
0 |
|
| La Junta Airport (1278 m, Colorado) |
2 |
|
| Limon Airport (1635 m, Colorado) |
6 |
|
| Madison Airport (523 m, South Dakota) |
8 |
|
| Wray Airport (1087 m, Colorado) |
4 |
|
| Ozona Airport (726 m, Texas) |
0 |
|
| Kelowna Intl. Airport (456 m, British Columbia) |
0 |
>2500m |
| Harvey Airport (487 m, North Dakota) |
2 |
|
| Hillsboro Airport (209 m, Texas) |
6 |
|
| Dover Air Force Base (9 m, Delaware) |
0 |
|
| Miami Intl. Airport (4 m, Florida) |
8 |
300-600m |
| Tampa Intl. Airport (3 m, Florida) |
8 |
600-1000m |
| Oakes Airport (400 m, North Dakota) |
8 |
|
| Rankin Inlet Airport (29 m, Nunavut) |
7 |
1500-2000m |
| Tampa Executive Airport (7 m, Florida) |
6 |
|
| Tioga Airport (684 m, North Dakota) |
8 |
|
| Patrick Space Force Base (3 m, Florida) |
0 |
|
| Fort Lauderdale (7 m, Florida) |
6 |
|
| Treasure Coast Intl. Airport (7 m, Florida) |
6 |
|
| Kinngait Airport (50 m, Nunavut) |
8 |
600-1000m |
| Naval Air Station Jacksonville (7 m, Florida) |
6 |
|
| Lakeland Linder Intl. Airport (1 m, Florida) |
4 |
|
| Melbourne Orlando Intl. Airport (10 m, Florida) |
2 |
|
| Miami-Opa Locka Executive Airport (3 m, Florida) |
0 |
|
| Glen Ullin Airport (634 m, North Dakota) |
8 |
|
| Pompano Beach Airport (7 m, Florida) |
6 |
|
| Vero Beach Regional Airport (8 m, Florida) |
2 |
|
| Boca Raton Airport (4 m, Florida) |
4 |
|
| New Smyrna Beach Airport (3 m, Florida) |
6 |
|
| Peter O. Knight Airport (2 m, Florida) |
6 |
|
| Gjoa Haven Airport (46 m, Nunavut) |
8 |
>2500m |
| Taloyoak Airport (28 m, Nunavut) |
2 |
300-600m |
| Buffalo Niagara Intl. Airport (219 m, New York) |
2 |
600-1000m |
| Moriarty Airport (1889 m, New Mexico) |
0 |
|
| Witham Field (6 m, Florida) |
4 |
|
| Brevoort Island Airport (376 m, Nunavut) |
8 |
50-100m |
| Rowley Island (41 m, Nunavut) |
4 |
1500-2000m |
| San Marcos Regional Airport (182 m, Texas) |
6 |
|
| LaGrange Callaway Airport (211 m, Georgia) |
8 |
|
| Worcester Airport (308 m, Massachusetts) |
2 |
|
| Cotulla (144 m, Texas) |
4 |
|
| Easterwood Airport (98 m, Texas) |
4 |
|
| Junction Airport (522 m, Texas) |
2 |
1000-1500m |
| Angel Fire Airport (2554 m, New Mexico) |
8 |
|
| Boise Airport (872 m, Idaho) |
0 |
>2500m |
| Sudbury Airport (348 m, Ontario) |
6 |
1500-2000m |
| Coeur d'Alene Airport (707 m, Idaho) |
0 |
|
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
4 |
1000-1500m |
| Marana Regional Airport (619 m, Arizona) |
0 |
|
| Rockford Airport (226 m, Illinois) |
4 |
1500-2000m |
| Sault Ste Marie (192 m, Ontario) |
8 |
1000-1500m |
| Springerville Muni (2150 m, Arizona) |
4 |
|
| New Bedford Regional Airport (23 m, Massachusetts) |
6 |
|
| Winner Regional Airport (619 m, South Dakota) |
8 |
|
| Toronto Islands Airport (77 m, Ontario) |
4 |
2000-2500m |
| Midway Intl. Airport (190 m, Illinois) |
4 |
|
| Pine Bluffs Muni (1570 m, Wyoming) |
0 |
|
| Philip Airport (673 m, South Dakota) |
2 |
|
| Custer Airport (1707 m, South Dakota) |
6 |
|
| Waukegan National Airport (222 m, Illinois) |
0 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
8 |
600-1000m |
| Gwinner Airport (386 m, North Dakota) |
8 |
|
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
8 |
|
| Lethbridge (929 m, Alberta) |
0 |
>2500m |
| Charleston Intl. Airport (15 m, South Carolina) |
6 |
600-1000m |
| Porter (234 m, Indiana) |
0 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
2 |
|
| Dubois Airport (2224 m, Wyoming) |
0 |
|
| Beverly Regional Airport (33 m, Massachusetts) |
0 |
|
| Moosonee (9 m, Ontario) |
0 |
>2500m |
| Des Moines Intl. Airport (294 m, Iowa) |
6 |
1500-2000m |
| Dubuque Regional Airport (329 m, Iowa) |
2 |
1500-2000m |
| Yellowknife Airport (206 m, Northwest Territories) |
5 |
>2500m |
| Algona Airport (372 m, Iowa) |
4 |
|
| Mammoth Yosemite Airport (2173 m, California) |
0 |
|
| Cannon Air Force Base (1309 m, New Mexico) |
0 |
|
| Alexandria Airport (432 m, Minnesota) |
8 |
|
| Webster City (342 m, Iowa) |
0 |
|
| Boone Airport (354 m, Iowa) |
0 |
|
| Kugluktuk Airport (23 m, Nunavut) |
3 |
600-1000m |
| Brigham City Airport (1288 m, Utah) |
0 |
|
| Northeastern Regional Airport (6 m, North Carolina) |
0 |
|
| Charlottetown Airport (79 m, Prince Edward Island) |
8 |
600-1000m |
| Meadows Field Airport (150 m, California) |
0 |
>2500m |
| Fresno Yosemite Intl. Airport (100 m, California) |
2 |
>2500m |
| Los Angeles Intl. Airport (30 m, California) |
2 |
300-600m |
| Red Bluff Airport (108 m, California) |
0 |
>2500m |
| Astoria Regional Airport (7 m, Oregon) |
6 |
300-600m |
| Stockton Metropolitan Airport (8 m, California) |
0 |
>2500m |
| La Grande Rivière Airport (195 m, Quebec) |
5 |
300-600m |
| Redding Airport (153 m, California) |
0 |
>2500m |
| Mont-Joli Airport (54 m, Quebec) |
6 |
1500-2000m |
| Buchanan Field Airport (7 m, California) |
0 |
|
| Derby Field (1190 m, California) |
0 |
|
| Monterey Regional Airport (77 m, California) |
4 |
|
| Tillamook Airport (11 m, Oregon) |
8 |
|
| San Jose Intl. Airport (17 m, California) |
2 |
|
| Hay River Airport (170 m, Northwest Territories) |
4 |
>2500m |
| Lake Tahoe Airport (1909 m, California) |
0 |
|
| Truckee Tahoe Airport (1798 m, California) |
0 |
|
| Hanford Airport (75 m, California) |
0 |
|
| Nut Tree Airport (34 m, California) |
0 |
|
| San Clemente Island Airport (52 m, California) |
8 |
|
| Brackett Field (308 m, California) |
0 |
|
| Southern California Logistics Airport (869 m, California) |
0 |
|
| Marin (1 m, California) |
0 |
|
| Corona Airport (163 m, California) |
0 |
|
| Fairmont Airport (354 m, Minnesota) |
8 |
|
| Santa Ynez Airport (205 m, California) |
0 |
|
| Susanville Airport (1263 m, California) |
0 |
|
| Grey Butte Field Airport (923 m, California) |
0 |
|
| Clovis Airport (1284 m, New Mexico) |
4 |
|
| Sierra Blanca Regional Airport (2076 m, New Mexico) |
2 |
|
| Rush City Rgnl Arpt (281 m, Minnesota) |
8 |
|
| Princeton Airport (298 m, Minnesota) |
8 |
|
| Garden (878 m, Kansas) |
6 |
|
| Crater Lake (1244 m, Oregon) |
0 |
|
| Key Lake Airport (514 m, Saskatchewan) |
4 |
1500-2000m |
| Medford Airport (397 m, Oregon) |
0 |
>2500m |
| Clayton Municipal Airpark (1515 m, New Mexico) |
8 |
>2500m |
| McGrath Airport (103 m, Alaska) |
6 |
600-1000m |
| Bethel Airport (44 m, Alaska) |
8 |
200-300m |
| King Salmon Airport (14 m, Alaska) |
8 |
600-1000m |
| Dickinson Theodore Roosevelt Regional A (787 m, North Dakota) |
8 |
|
| SwiftCurrent (820 m, Saskatchewan) |
2 |
>2500m |
| Watson Lake Airport (690 m, Yukon) |
8 |
|
| Nome Airport (6 m, Alaska) |
8 |
300-600m |
| Natashquan Airport (11 m, Quebec) |
8 |
1500-2000m |
| Thief River Falls Regional Airport (340 m, Minnesota) |
8 |
|
| Francis E. Warren Air Force Base (1878 m, Wyoming) |
4 |
|
North - South