| Stations: 2839
|
Cloud Cover |
Cloud Base |
| Norman Wells (78 m, Northwest Territories) |
7 |
1500-2000m |
| Craig (1915 m, Colorado) |
6 |
>2500m |
| Grant County Airport (1638 m, New Mexico) |
8 |
|
| Travis Air Force Base (22 m, California) |
0 |
|
| Grants Milan Mun. AP (1987 m, New Mexico) |
8 |
|
| Delta Airport (1451 m, Utah) |
0 |
|
| Ralph Wien Memorial Airport (5 m, Alaska) |
8 |
2000-2500m |
| Eastern Oregon Regional Airport (456 m, Oregon) |
0 |
>2500m |
| Shepherd Bay AP (45 m, Nunavut) |
0 |
>2500m |
| Eugene Airport (114 m, Oregon) |
4 |
300-600m |
| Evanston Airport (2177 m, Wyoming) |
0 |
|
| Hall Beach Airport (7 m, Nunavut) |
6 |
|
| Reno Stead Airport (1539 m, Nevada) |
2 |
|
| Rowley Island (41 m, Nunavut) |
4 |
>2500m |
| Meadow Lake Airport (2095 m, Colorado) |
0 |
|
| Eagle County Regional Airport (1993 m, Colorado) |
8 |
|
| Barstow-Daggett Airport (587 m, California) |
0 |
|
| Sanderson Field Airport (85 m, Washington) |
0 |
|
| Bicycle Lake Army Airfield (716 m, California) |
2 |
|
| Lake County Airport (3026 m, Colorado) |
8 |
|
| United States Air Force Academy (1999 m, Colorado) |
2 |
|
| Wendover Airport (1292 m, Utah) |
0 |
|
| Colorado Springs Airport (1881 m, Colorado) |
6 |
|
| North Las Vegas Airport (671 m, Nevada) |
6 |
|
| Havre (792 m, Montana) |
0 |
>2500m |
| Abbotsford Airport (58 m, British Columbia) |
0 |
1500-2000m |
| Corvallis Airport (75 m, Oregon) |
0 |
|
| Puvirnituq (23 m, Quebec) |
0 |
|
| Carson City Airport (1432 m, Nevada) |
0 |
|
| Albuquerque Airport (1618 m, New Mexico) |
8 |
1000-1500m |
| Grant County Regional Airport (1127 m, Oregon) |
0 |
|
| Resolute AP (67 m, Nunavut) |
8 |
100-200m |
| Reno (1341 m, Nevada) |
6 |
>2500m |
| Boulder City Airport (671 m, Nevada) |
0 |
|
| Dewar Lakes AP (488 m, Nunavut) |
0 |
>2500m |
| Calgary Intl. Airport (1084 m, Alberta) |
0 |
>2500m |
| Palo Alto Airport (2 m, California) |
0 |
|
| Moore County Airport (1129 m, Texas) |
6 |
|
| Abraham Lincoln Capital Airport (187 m, Illinois) |
8 |
|
| Gallup Airport (1972 m, New Mexico) |
6 |
|
| Moffett Federal Airfield (12 m, California) |
0 |
|
| Roswell Airport (1118 m, New Mexico) |
8 |
300-600m |
| Fort Yukon Airport (135 m, Alaska) |
4 |
2000-2500m |
| Clines Corner (2160 m, New Mexico) |
8 |
|
| Gjoa Haven Airport (46 m, Nunavut) |
0 |
>2500m |
| Quonset State Airport (6 m, Rhode Island) |
4 |
|
| Rocky Mountain Metropolitan Airport (1724 m, Colorado) |
6 |
|
| Miami Executive Airport (3 m, Florida) |
6 |
|
| Calhoun County Airport (9 m, Texas) |
4 |
|
| Wallops Flight Facility Airport (12 m, Virginia) |
0 |
>2500m |
| Mac Crenshaw Memorial Airport (138 m, Alabama) |
8 |
|
| Keats Point (330 m, Northwest Territories) |
2 |
1500-2000m |
| Jerome (1233 m, Idaho) |
0 |
|
| Winslow- Lindbergh Regional Airport (1488 m, Arizona) |
2 |
>2500m |
| Limon Airport (1635 m, Colorado) |
0 |
|
| El Paso Intl. Airport (1194 m, Texas) |
6 |
300-600m |
| Ontario Intl. Airport (287 m, California) |
4 |
|
| Naval Air Station Whidbey (10 m, Washington) |
2 |
|
| Mission Field (1418 m, Montana) |
0 |
|
| Siskiyou (807 m, California) |
0 |
|
| Henderson Executive Airport (749 m, Nevada) |
0 |
|
| Idaho County Airport (1010 m, Idaho) |
0 |
|
| Yellowknife Airport (206 m, Northwest Territories) |
1 |
>2500m |
| Del Norte Airport (2425 m, Colorado) |
0 |
|
| Rohnerville Airport (120 m, California) |
2 |
|
| Fort Mcmurray (369 m, California) |
2 |
>2500m |
| Tillamook Airport (11 m, Oregon) |
8 |
|
| Zamperini Field (27 m, California) |
6 |
|
| Nome Airport (6 m, Alaska) |
8 |
600-1000m |
| Ozona Airport (726 m, Texas) |
0 |
|
| Block (33 m, Rhode Island) |
0 |
|
| Falcon Field (424 m, Arizona) |
0 |
|
| Edmonton Namao (685 m, Alberta) |
0 |
>2500m |
| Mercury/Desert Rock (1006 m, Nevada) |
6 |
>2500m |
| Oakland Intl. Airport (6 m, California) |
2 |
|
| Torrington Airport (1281 m, Wyoming) |
0 |
|
| Salinas Airport (26 m, California) |
0 |
|
| Needles Airport (302 m, California) |
0 |
|
| Napa Airport (10 m, California) |
0 |
|
| Canyonlands Regional Airport (1388 m, Utah) |
8 |
|
| Kahului Airport (20 m, Hawaii) |
4 |
1000-1500m |
| LaGuardia Airport (9 m, New York) |
2 |
1500-2000m |
| Gooding Airport (1138 m, Idaho) |
0 |
|
| Fort Carson (1789 m, Colorado) |
2 |
|
| Newark Intl. Airport (9 m, New Jersey) |
2 |
1500-2000m |
| Naval Outlying Landing Field Imperial B (6 m, California) |
6 |
|
| Del Rio Intl. Airport (314 m, Texas) |
0 |
>2500m |
| San Marcos Regional Airport (182 m, Texas) |
2 |
|
| Deming Airport (1313 m, New Mexico) |
2 |
|
| Laramie Airport (2218 m, Wyoming) |
2 |
|
| Greeley- Weld County Airport (1420 m, Colorado) |
6 |
|
| Garden (878 m, Kansas) |
4 |
|
| Show Low Regional Airport (1954 m, Arizona) |
8 |
|
| Kelowna Intl. Airport (456 m, British Columbia) |
0 |
>2500m |
| Frobisher/Iqaluit AP (34 m, Nunavut) |
2 |
|
| Liberal Mid-America Regional Airport (879 m, Kansas) |
8 |
|
| St. Johns Industrial Air Park (1747 m, Arizona) |
0 |
|
| Paso Robles Airport (255 m, California) |
0 |
|
| Fort Stockton- Pecos County Airport (917 m, Texas) |
2 |
|
| Ely Airport (1909 m, Nevada) |
4 |
>2500m |
| Dubois Airport (2224 m, Wyoming) |
4 |
|
| Sedona Airport (1471 m, Arizona) |
0 |
|
| Safford Regional Airport (950 m, Arizona) |
6 |
|
| Bozeman Yellowstone Intl. Airport (1349 m, Montana) |
0 |
|
| Twentynine Palms Airport (626 m, California) |
4 |
|
| Alturas Airport (1341 m, California) |
0 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Burwash Landing Airport (807 m, Yukon) |
4 |
>2500m |
| Cape Cod Gateway Airport (16 m, Massachusetts) |
0 |
|
| Burns Airport (1271 m, Oregon) |
0 |
>2500m |
| Wekweètì Airport (368 m, Northwest Territories) |
0 |
|
| Cheyenne Regional Airport (1872 m, Wyoming) |
0 |
>2500m |
| Harry Reid Intl. Airport (664 m, Nevada) |
6 |
>2500m |
| Bert Mooney Airport (1688 m, Montana) |
0 |
|
| Harriet Alexander Field (2293 m, Colorado) |
8 |
|
| Holman Island AP (36 m, Northwest Territories) |
8 |
|
| San Luis Valley Regional Airport (2299 m, Colorado) |
4 |
1500-2000m |
| Dover Air Force Base (9 m, Delaware) |
0 |
|
| Greenwood- Leflore Airport (47 m, Mississippi) |
2 |
|
| San Carlos Airport (1 m, California) |
4 |
|
| Mountain Home Air Force Base (912 m, Idaho) |
0 |
|
| Waterloo Regional Airport (268 m, Iowa) |
2 |
600-1000m |
| Wilmington Airport (326 m, Pennsylvania) |
6 |
|
| Window Rock Airport (2054 m, Arizona) |
2 |
|
| Hope Aerodrome (39 m, British Columbia) |
2 |
>2500m |
| Hays Regional Airport (609 m, Kansas) |
6 |
|
| Colorado City (1486 m, Arizona) |
0 |
|
| Dodge City Regional Airport (790 m, Kansas) |
4 |
>2500m |
| Little Falls/Morrison (342 m, Minnesota) |
0 |
|
| Grey Butte Field Airport (923 m, California) |
0 |
|
| Dallas Fort Worth Intl. Airport (182 m, Texas) |
6 |
>2500m |
| Hilo Intl. Airport (10 m, Hawaii) |
8 |
600-1000m |
| Abilene Airport (546 m, Texas) |
8 |
1000-1500m |
| Hollister Airport (70 m, California) |
0 |
|
| Victoria Regional Airport (36 m, Texas) |
4 |
600-1000m |
| San Bernardino Intl. Airport (353 m, California) |
4 |
|
| Marin (1 m, California) |
0 |
|
| Medford Airport (397 m, Oregon) |
0 |
>2500m |
| W Memphis Municipal (64 m, Arkansas) |
0 |
|
| Tucumcari Airport (1234 m, New Mexico) |
8 |
|
| Brackett Field (308 m, California) |
0 |
|
| Naval Air Station Joint Reserve Base Fo (198 m, Texas) |
6 |
|
| Fort Worth Meacham Intl. Airport (216 m, Texas) |
4 |
|
| Scholes International Airport at Galves (16 m, Texas) |
2 |
|
| South Texas Regional Airport at Hondo (283 m, Texas) |
2 |
|
| Crater Lake (1244 m, Oregon) |
0 |
|
| Aransas (8 m, Texas) |
2 |
|
| Springerville Muni (2150 m, Arizona) |
6 |
|
| Dyess Air Force Base (545 m, Texas) |
2 |
|
| New Braunfels Airport (197 m, Texas) |
0 |
|
| Baker Airport (902 m, Montana) |
0 |
|
| Arlington Airport (192 m, Texas) |
8 |
|
| Bellingham Intl. Airport (45 m, Washington) |
0 |
|
| Lewistown Airport (1263 m, Montana) |
0 |
|
| Naval Air Station Corpus Christi (6 m, Texas) |
6 |
|
| Laredo Intl. Airport (155 m, Texas) |
0 |
|
| Pine Springs (1663 m, Texas) |
8 |
|
| Cannon Air Force Base (1309 m, New Mexico) |
2 |
|
| Odessa Airport (902 m, Texas) |
8 |
|
| San Gabriel Valley Airport (90 m, California) |
0 |
|
| Edmonton (IAP) (707 m, Alberta) |
0 |
>2500m |
| Biggs Army Airfield (1204 m, Texas) |
4 |
|
| Lancaster Regional Airport (153 m, Texas) |
6 |
|
| Hermiston Airport (195 m, Oregon) |
0 |
|
| General William J. Fox Airfield (712 m, California) |
0 |
|
| Port Aransas Airport (2 m, Texas) |
4 |
|
| Southern Wisconsin Regional Airport (246 m, Wisconsin) |
6 |
|
| Cleburne Airport (260 m, Texas) |
0 |
|
| Denver Intl. Airport (1656 m, Colorado) |
6 |
2000-2500m |
| Grand Junction Regional Airport (1472 m, Colorado) |
6 |
1500-2000m |
| Seattle (137 m, Washington) |
0 |
>2500m |
| Pueblo Memorial Airport (1439 m, Colorado) |
0 |
>2500m |
| Santa Rose Airport (38 m, California) |
0 |
|
| Hamilton Airport (396 m, Texas) |
4 |
|
| Inukjuak (25 m, Quebec) |
4 |
>2500m |
| John Wayne Airport (16 m, California) |
6 |
|
| Villeneuve Airport (270 m, Alberta) |
0 |
>2500m |
| Sacramento Intl. Airport (7 m, California) |
0 |
|
| Northern Colorado Regional Airport (1529 m, Colorado) |
4 |
|
| Gunnison (2339 m, Colorado) |
4 |
|
| Yampa Valley Airport (2012 m, Colorado) |
0 |
|
| Naval Air Station Point Mugu (2 m, California) |
6 |
|
| Brookneal (182 m, Virginia) |
0 |
|
| Slave Lake Airport (583 m, Alberta) |
0 |
|
| Elko Regional Airport (1565 m, Nevada) |
0 |
|
| Hartford Airport (6 m, Connecticut) |
6 |
|
| Coeur d'Alene Airport (707 m, Idaho) |
0 |
|
| Alpine- Casparis Airport (1376 m, Texas) |
8 |
|
| Lompoc Airport (27 m, California) |
4 |
|
| Pincher Creek (1190 m, Alberta) |
6 |
|
| Roseburg Regional Airport (160 m, Oregon) |
0 |
|
| Edwards Air Force Base (705 m, California) |
6 |
|
| Southwest Oregon Regional Airport (1 m, Oregon) |
8 |
|
| Chino Airport (199 m, California) |
6 |
|
| Camarillo Airport (23 m, California) |
6 |
|
| Burbank (237 m, California) |
0 |
|
| Springbank (1201 m, Alberta) |
0 |
|
| Eastern Sierra Regional Airport (1263 m, California) |
0 |
>2500m |
| Ralph Wenz Field (2160 m, Wyoming) |
8 |
|
| Francis E. Warren Air Force Base (1878 m, Wyoming) |
2 |
|
| Red Bluff Airport (108 m, California) |
0 |
>2500m |
| Republic Airport (25 m, New York) |
0 |
|
| Jimmy Lake (636 m, Saskatchewan) |
0 |
>2500m |
| Los Angeles Intl. Airport (30 m, California) |
4 |
600-1000m |
| Presidio Airport (896 m, Texas) |
6 |
|
| Venango Regional Airport (469 m, Pennsylvania) |
8 |
|
| Whitecourt Airport (785 m, Alberta) |
0 |
0-50m |
| Nellis Air Force Base (570 m, Nevada) |
0 |
|
| Nantucket Memorial Airport (13 m, Massachusetts) |
0 |
|
| Corpus Christi Intl. Airport (15 m, Texas) |
6 |
600-1000m |
| Ames Airport (291 m, Iowa) |
4 |
|
| Churchill Airport (29 m, Manitoba) |
0 |
>2500m |
| Natashquan Airport (11 m, Quebec) |
2 |
100-200m |
| Port Meadville Airport (427 m, Pennsylvania) |
6 |
|
| El Reno (432 m, Oklahoma) |
6 |
|
| Walden Airport (2485 m, Colorado) |
4 |
|
| Saguache (2385 m, Colorado) |
6 |
|
| Toledo Executive Airport (189 m, Ohio) |
2 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| Park Rapids Municip (437 m, Minnesota) |
0 |
|
| Dothan Regional Airport (122 m, Alabama) |
6 |
|
| Slave Lake (583 m, Alberta) |
0 |
>2500m |
| Annapolis (2 m, Maryland) |
0 |
|
| Qikiqtarjuaq (6 m, Nunavut) |
8 |
1000-1500m |
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
4 |
1500-2000m |
| Yakutat Airport (13 m, Alaska) |
8 |
200-300m |
| Red Deer Regional Airport (904 m, Alberta) |
0 |
>2500m |
| Dare (4 m, North Carolina) |
4 |
|
| Mackenzie (690 m, British Columbia) |
0 |
>2500m |
| Fort Polk (110 m, Louisiana) |
4 |
|
| Bella Coola Airport (35 m, British Columbia) |
2 |
|
| Frederick Regional Airport (377 m, Oklahoma) |
4 |
|
| South County Arpt Of Santa Clara County (86 m, California) |
0 |
|
| Watford City Airport (643 m, North Dakota) |
0 |
|
| Masset Airport (8 m, British Columbia) |
6 |
|
| Middleton Island Airport (14 m, Alaska) |
8 |
50-100m |
| Bowerman Airport (3 m, Washington) |
0 |
|
| Edwards (701 m, California) |
2 |
|
| Arlington Airport (42 m, Washington) |
0 |
|
| William R. Fairchild Intl. Airport (88 m, Washington) |
0 |
|
| Rankin Inlet Airport (29 m, Nunavut) |
3 |
1500-2000m |
| Mount Washington Airport (1910 m, New Hampshire) |
8 |
|
| Mankato Regional Airport (311 m, Minnesota) |
0 |
|
| Naval Air Station Oceana (7 m, Virginia) |
4 |
|
| Cavern City Airport (985 m, New Mexico) |
2 |
|
| Aurora Airport (215 m, Illinois) |
4 |
|
| McChord Field (88 m, Washington) |
0 |
|
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
4 |
|
| Adak (5 m, Alaska) |
8 |
200-300m |
| Gage Airport (667 m, Oklahoma) |
2 |
|
| Wadena Airport (418 m, Minnesota) |
0 |
|
| Terrace Airport (217 m, British Columbia) |
8 |
>2500m |
| Quesnel Airport (545 m, British Columbia) |
0 |
|
| DeKalb Airport (279 m, Illinois) |
6 |
|
| Daniel K. Inouye Intl. Airport (5 m, Hawaii) |
4 |
600-1000m |
| Alexandria Airport (432 m, Minnesota) |
0 |
|
| Mammoth Yosemite Airport (2173 m, California) |
8 |
|
| Dauphin Airport (305 m, Manitoba) |
0 |
|
| Mary's Harbour Airport (12 m, Newfoundland) |
8 |
|
| Glenwood (Asos) (425 m, Minnesota) |
0 |
|
| Alva Regional Airport (449 m, Oklahoma) |
8 |
|
| Sauk Centre Muni (379 m, Minnesota) |
0 |
|
| Rochester Intl. Airport (402 m, Minnesota) |
2 |
1000-1500m |
| Igloolik Airport (51 m, Nunavut) |
6 |
|
| Francis S. Gabreski Airport (20 m, New York) |
0 |
|
| Burley Airport (1267 m, Idaho) |
0 |
|
| Lewiston Airport (438 m, Idaho) |
2 |
>2500m |
| Pocatello Regional Airport (1365 m, Idaho) |
4 |
>2500m |
| Boise Airport (872 m, Idaho) |
0 |
>2500m |
| Kremmling Airport (2229 m, Colorado) |
8 |
|
North - South