| Stations: 2882
|
Cloud Cover |
Cloud Base |
| McCall Airport (1530 m, Idaho) |
6 |
|
| Hanford Airport (75 m, California) |
6 |
|
| Caldwell Airport (740 m, Idaho) |
8 |
|
| Stigler Regional Airport (183 m, Oklahoma) |
8 |
|
| Lemhi (1233 m, Idaho) |
6 |
|
| Mammoth Yosemite Airport (2173 m, California) |
0 |
|
| Ponca (304 m, Oklahoma) |
0 |
|
| Lewiston Airport (438 m, Idaho) |
6 |
>2500m |
| Buckhannon Airport (498 m, West-Virginia) |
0 |
|
| Pineville Airport (544 m, West-Virginia) |
0 |
|
| Butler (193 m, Ohio) |
0 |
|
| Beach Airport (840 m, North Dakota) |
0 |
|
| Zamperini Field (27 m, California) |
2 |
|
| Gillespie Field Airport (117 m, California) |
0 |
|
| Watford City Airport (643 m, North Dakota) |
0 |
|
| Prineville Airport (991 m, Oregon) |
0 |
|
| Breckenridge Airport (391 m, Texas) |
6 |
|
| Blanding Airport (1788 m, Utah) |
8 |
|
| Delta Airport (1451 m, Utah) |
8 |
|
| Allen Parish Airport (33 m, Louisiana) |
8 |
|
| New Market Airport (297 m, Virginia) |
0 |
|
| Lunenburg Airport (160 m, Virginia) |
0 |
|
| Bridgewater Airport (355 m, Virginia) |
0 |
|
| Middlebury State AP (149 m, Vermont) |
0 |
|
| Powell Airport (1552 m, Wyoming) |
8 |
|
| Murrieta Hot Springs (412 m, California) |
0 |
|
| Brackett Field (308 m, California) |
0 |
|
| Decatur Airport (319 m, Texas) |
0 |
|
| Big Bear Airport (2058 m, California) |
0 |
|
| Columbia Airport (646 m, California) |
0 |
|
| Madera Airport (77 m, California) |
0 |
|
| Weaverville (716 m, California) |
8 |
|
| Presque Isle Intl. Airport (146 m, Maine) |
0 |
|
| Western Carolina Regional Airport (517 m, North Carolina) |
0 |
|
| Trinity Center (728 m, California) |
8 |
|
| Rutherfordton (329 m, North Carolina) |
0 |
|
| Newberry County Airport (173 m, South Carolina) |
0 |
|
| Ogdensburg Intl. Airport (91 m, New York) |
0 |
|
| Beale Air Force Base (38 m, California) |
8 |
|
| Watertown Intl. Airport (99 m, New York) |
0 |
|
| Adirondack Regional Airport (507 m, New York) |
0 |
|
| Floyd Bennett Memorial Airport (100 m, New York) |
0 |
|
| Buffalo Niagara Intl. Airport (219 m, New York) |
6 |
>2500m |
| Albany Airport (89 m, New York) |
4 |
600-1000m |
| Alturas Airport (1341 m, California) |
8 |
|
| Great Falls (1131 m, Montana) |
0 |
>2500m |
| Nut Tree Airport (34 m, California) |
0 |
|
| Arcata (18 m, California) |
8 |
1000-1500m |
| Oceanside Airport (9 m, California) |
0 |
|
| Ukiah Airport (187 m, California) |
0 |
|
| Truckee Tahoe Airport (1798 m, California) |
8 |
|
| Santa Rose Airport (38 m, California) |
4 |
|
| Santa Monica Airport (53 m, California) |
0 |
|
| Oak Ridge (277 m, Tennessee) |
0 |
|
| Wray Airport (1087 m, Colorado) |
8 |
|
| Harriet Alexander Field (2293 m, Colorado) |
8 |
|
| Vance Brand Airport (1541 m, Colorado) |
8 |
|
| Erie Airport (1564 m, Colorado) |
8 |
|
| Boulder Airport (1612 m, Colorado) |
8 |
|
| Meeker (1948 m, Colorado) |
8 |
|
| Atlantic City Airport (20 m, New Jersey) |
0 |
>2500m |
| Jaffrey Airport (317 m, New Hampshire) |
0 |
|
| San Luis Obispo County Regional Airport (64 m, California) |
0 |
|
| Durango (2038 m, Colorado) |
6 |
|
| Lebanon Airport (182 m, New Hampshire) |
0 |
|
| Taunton Airport (13 m, Massachusetts) |
0 |
|
| Mena Intermountain Airport (329 m, Arkansas) |
8 |
|
| Berlin Regional Airport (353 m, New Hampshire) |
0 |
|
| Hawthorne Industrial Airport (1285 m, Nevada) |
0 |
|
| Hanscom Field (41 m, Massachusetts) |
0 |
|
| Boone (418 m, Arkansas) |
8 |
|
| Reno Stead Airport (1539 m, Nevada) |
0 |
|
| Carson City Airport (1432 m, Nevada) |
0 |
|
| Whistler Airport (658 m, British Columbia) |
8 |
|
| Old Crow Airport (251 m, Yukon) |
6 |
|
| Salinas Airport (26 m, California) |
8 |
|
| Riverside Airport (249 m, California) |
0 |
|
| Sedona Airport (1471 m, Arizona) |
8 |
|
| Payson Airport (1572 m, Arizona) |
8 |
|
| Laughlin/Bullhead Intl. Airport (167 m, Arizona) |
0 |
|
| Phoenix Goodyear Airport (295 m, Arizona) |
2 |
|
| Chandler Airport (379 m, Arizona) |
0 |
|
| March Air Reserve Base (468 m, California) |
0 |
|
| Scottsdale Airport (460 m, Arizona) |
0 |
|
| Ernest A. Love Field Airport (1537 m, Arizona) |
0 |
|
| Colorado City (1486 m, Arizona) |
0 |
|
| Paso Robles Airport (255 m, California) |
8 |
|
| Reno (1341 m, Nevada) |
4 |
1500-2000m |
| Hamilton Airport (396 m, Texas) |
6 |
|
| Needles Airport (302 m, California) |
0 |
|
| Yuma Intl. Airport (65 m, Arizona) |
0 |
|
| Quesnel Airport (545 m, British Columbia) |
0 |
|
| Mount Shasta (1077 m, California) |
0 |
|
| Siskiyou (807 m, California) |
0 |
|
| Hillsboro Airport (209 m, Texas) |
8 |
|
| Yuba (19 m, California) |
0 |
|
| Derby Field (1190 m, California) |
0 |
|
| Llano Airport (336 m, Texas) |
0 |
|
| Hayward Executive Airport (14 m, California) |
4 |
|
| Chino Airport (199 m, California) |
0 |
|
| McClellan- Palomar Airport (100 m, California) |
0 |
|
| Great Falls Intl. Airport (1116 m, Montana) |
0 |
|
| Oakland Intl. Airport (6 m, California) |
6 |
|
| Bozeman Yellowstone Intl. Airport (1349 m, Montana) |
8 |
|
| Eastern Sierra Regional Airport (1263 m, California) |
0 |
>2500m |
| Bert Mooney Airport (1688 m, Montana) |
8 |
|
| Long Beach Airport (12 m, California) |
0 |
>2500m |
| Helena Regional Airport (1188 m, Montana) |
8 |
1000-1500m |
| Santa Maria Public Airport (73 m, California) |
0 |
>2500m |
| Branson Airport (397 m, Missouri) |
6 |
|
| Waynesville-St. Robert Regional Airport (351 m, Missouri) |
8 |
|
| Red Bluff Airport (108 m, California) |
0 |
>2500m |
| Murray Field (18 m, California) |
8 |
|
| Cedar City Regional Airport (1714 m, Utah) |
8 |
|
| Canyonlands Regional Airport (1388 m, Utah) |
8 |
|
| Ogden-Hinckley Airport (1362 m, Utah) |
8 |
|
| Cherokee Airport (374 m, Iowa) |
8 |
|
| Saint George (869 m, Utah) |
0 |
|
| Edward F. Knapp State Airport (355 m, Vermont) |
0 |
|
| Northeast Kingdom Intl. Airport (284 m, Vermont) |
0 |
|
| Madison (330 m, Minnesota) |
8 |
|
| Leesburg Executive Airport (119 m, Virginia) |
0 |
|
| Fredericksburg Airport (26 m, Virginia) |
0 |
|
| Shenandoah Valley Regional Airport (366 m, Virginia) |
0 |
|
| Culpeper Regional Airport (95 m, Virginia) |
0 |
|
| Luray Caverns Airport (275 m, Virginia) |
0 |
|
| Orange Airport (142 m, Virginia) |
0 |
|
| West Point Airport (7 m, Virginia) |
0 |
|
| Thompson Airport (216 m, Manitoba) |
1 |
0-50m |
| Quillayute Airport (55 m, Washington) |
8 |
1500-2000m |
| Tillamook Airport (11 m, Oregon) |
8 |
|
| Pangborn Memorial Airport (379 m, Washington) |
0 |
|
| Tri-Cities Airport (135 m, Washington) |
2 |
|
| Grant County Regional Airport (1127 m, Oregon) |
8 |
|
| Pearson Field (8 m, Washington) |
8 |
|
| Orcas Island Airport (9 m, Washington) |
8 |
|
| Skagit Regional Airport (44 m, Washington) |
8 |
|
| Chehalis Airport (54 m, Washington) |
8 |
|
| Brookings Airport (140 m, Oregon) |
8 |
|
| Puyallup Airport (164 m, Washington) |
8 |
|
| Petersburg/Grant C. Arpt (293 m, West-Virginia) |
0 |
|
| Sparta/Fort McCoy Airport (256 m, Wisconsin) |
8 |
|
| Crosby Airport (594 m, North Dakota) |
0 |
|
| Chetwynd (609 m, British Columbia) |
2 |
|
| Franklin Airport (616 m, Tennessee) |
0 |
|
| Sheridan Airport (1209 m, Wyoming) |
0 |
>2500m |
| Evanston Airport (2177 m, Wyoming) |
8 |
|
| Yellowstone Regional Airport (1553 m, Wyoming) |
8 |
|
| Southwest Wyoming Regional Airport (2060 m, Wyoming) |
8 |
|
| Buffalo Airport (1514 m, Wyoming) |
8 |
|
| Hillsboro Airport (62 m, Oregon) |
8 |
|
| Ralph Wenz Field (2160 m, Wyoming) |
8 |
|
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
8 |
2000-2500m |
| Fairbanks Intl. Airport (135 m, Alaska) |
6 |
>2500m |
| Talkeetna Airport (109 m, Alaska) |
6 |
>2500m |
| Gulkana Airport (481 m, Alaska) |
4 |
>2500m |
| Taylorville Airport (190 m, Illinois) |
4 |
|
| Killeen- Fort Hood Regional Airport (309 m, Texas) |
4 |
|
| Stephenville Airport (402 m, Texas) |
6 |
|
| Burnet Airport (391 m, Texas) |
4 |
|
| Ontario Airport (667 m, Oregon) |
8 |
|
| Roberts Field (932 m, Oregon) |
2 |
|
| Hollister Airport (70 m, California) |
8 |
|
| Nevada (961 m, California) |
0 |
|
| Rohnerville Airport (120 m, California) |
8 |
|
| Davis Airport (21 m, California) |
0 |
|
| Burns Airport (1271 m, Oregon) |
8 |
1000-1500m |
| Corona Airport (163 m, California) |
0 |
|
| Castle Airport (57 m, California) |
0 |
|
| San Bernardino Intl. Airport (353 m, California) |
0 |
|
| Marin (1 m, California) |
0 |
|
| Boundary County Airport (711 m, Idaho) |
0 |
|
| Sandpoint Airport (648 m, Idaho) |
8 |
|
| Idaho County Airport (1010 m, Idaho) |
8 |
|
| Challis Airport (1546 m, Idaho) |
0 |
|
| Mullan Pass (1829 m, Idaho) |
8 |
|
| Northwest Arkansas National Airport (392 m, Arkansas) |
8 |
|
| Roseau Muni (Awos) (323 m, Minnesota) |
8 |
|
| North Perry Airport (3 m, Florida) |
2 |
|
| Fort Lauderdale (7 m, Florida) |
4 |
|
| Owensboro (124 m, Kentucky) |
6 |
|
| Devils Lake Regional Airport (443 m, North Dakota) |
8 |
|
| Flag Island (328 m, Minnesota) |
6 |
|
| Miami Executive Airport (3 m, Florida) |
4 |
|
| McHenry Airport (894 m, Maryland) |
0 |
|
| Kokomo Airport (253 m, Indiana) |
0 |
|
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
2 |
|
| Naval Air Station Key West (2 m, Florida) |
4 |
|
| Grafton Airport (251 m, North Dakota) |
0 |
|
| Abraham Lincoln Capital Airport (187 m, Illinois) |
6 |
|
| Atlanta Airport (315 m, Georgia) |
6 |
600-1000m |
| Coles (220 m, Illinois) |
6 |
|
| Palm Beach Intl. Airport (6 m, Florida) |
6 |
600-1000m |
| Miami Intl. Airport (4 m, Florida) |
6 |
600-1000m |
| Key West Airport (5 m, Florida) |
0 |
>2500m |
| Marfa Airport (1473 m, Texas) |
0 |
|
| Puvirnituq (23 m, Quebec) |
8 |
|
| Destin (7 m, Georgia) |
8 |
|
| Rolla Airport (556 m, North Dakota) |
0 |
|
| Hector Intl. Airport (274 m, North Dakota) |
8 |
1500-2000m |
| Brownsville/South Padre (8 m, Texas) |
6 |
300-600m |
| Jack Edwards Airport (5 m, Alabama) |
8 |
|
| Henderson (117 m, Kentucky) |
2 |
|
| Madisonville Airport (134 m, Kentucky) |
6 |
|
| Hebron Airport (447 m, Nebraska) |
8 |
|
| Cape May Airport (7 m, New Jersey) |
4 |
|
| Magic Valley Regional Airport (1265 m, Idaho) |
0 |
|
| Clinton Airport (216 m, Iowa) |
2 |
|
| Rantoul National Aviation Center (225 m, Illinois) |
0 |
|
| Davenport Airport (259 m, Iowa) |
8 |
|
| San Angelo Regional Airport (582 m, Texas) |
0 |
>2500m |
| Midland Airpark Airport (854 m, Texas) |
0 |
|
| Harry Stern Airport (295 m, North Dakota) |
8 |
|
| Hall Beach Airport (7 m, Nunavut) |
2 |
|
| Barkley Regional Airport (126 m, Kentucky) |
0 |
>2500m |
| Seminole Airport (1010 m, Texas) |
0 |
|
| Grand Forks Air Force Base (276 m, North Dakota) |
8 |
|
| New York (27 m, New York) |
0 |
|
| Frobisher/Iqaluit AP (34 m, Nunavut) |
8 |
|
| Pompano Beach Airport (7 m, Florida) |
0 |
|
| Effingham (179 m, Illinois) |
4 |
|
| Lamar Airport (1129 m, Colorado) |
8 |
|
| Olney-Noble (147 m, Illinois) |
0 |
|
| Henry County Airport (177 m, Tennessee) |
8 |
|
| Hammond Northshore Regional Airport (13 m, Louisiana) |
8 |
|
| Colorado Plains Regional Airport (1421 m, Colorado) |
8 |
|
| West Plains Regional Airport (374 m, Missouri) |
8 |
|
| Jefferson (167 m, Missouri) |
8 |
|
| Flora (144 m, Illinois) |
0 |
|
| Pueblo Memorial Airport (1439 m, Colorado) |
8 |
1500-2000m |
| Lakefront Airport (3 m, Louisiana) |
8 |
|
| Martha's Vineyard Airport (21 m, Massachusetts) |
0 |
|
| Rocksprings Airport (723 m, Texas) |
0 |
|
| Tunica Airport (59 m, Mississippi) |
8 |
|
| Jasper County Airport (213 m, Indiana) |
0 |
|
| Keesler Air Force Base (10 m, Mississippi) |
8 |
|
| Mount Pleasant Airport (224 m, Iowa) |
4 |
|
| Independence Airport (298 m, Iowa) |
6 |
|
| Millington-Memphis Airport (98 m, Tennessee) |
8 |
|
| Columbus Air Force Base (67 m, Mississippi) |
8 |
|
| Logansport Airport (225 m, Indiana) |
0 |
|
| Rick Husband Amarillo Intl. Airport (1094 m, Texas) |
8 |
600-1000m |
| Carmi Airport (118 m, Illinois) |
0 |
|
| Mobridge Airport (508 m, South Dakota) |
8 |
|
| Sanirajak (8 m, California) |
2 |
|
| Moore County Airport (1129 m, Texas) |
4 |
|
| Stewart Airport (7 m, British Columbia) |
6 |
|
North - South