| Stations: 2478
|
Cloud Cover |
Cloud Base |
| Adak (5 m, Alaska) |
8 |
300-600m |
| Nome Airport (6 m, Alaska) |
0 |
>2500m |
| Cold Bay Airport (31 m, Alaska) |
4 |
200-300m |
| Ralph Wien Memorial Airport (5 m, Alaska) |
0 |
>2500m |
| Bethel Airport (44 m, Alaska) |
6 |
>2500m |
| Aniak Airport (26 m, Alaska) |
0 |
>2500m |
| Lihue Airport (32 m, Hawaii) |
2 |
600-1000m |
| Port Heiden Airport (29 m, Alaska) |
8 |
100-200m |
| Dillingham Airport (29 m, Alaska) |
0 |
>2500m |
| Daniel K. Inouye Intl. Airport (5 m, Hawaii) |
2 |
600-1000m |
| King Salmon Airport (14 m, Alaska) |
6 |
2000-2500m |
| Kahului Airport (20 m, Hawaii) |
4 |
50-100m |
| McGrath Airport (103 m, Alaska) |
6 |
2000-2500m |
| Hilo Intl. Airport (10 m, Hawaii) |
8 |
600-1000m |
| Iliamna Airport (49 m, Alaska) |
8 |
>2500m |
| Kodiak Airport (34 m, Alaska) |
8 |
300-600m |
| Bettles Airport (196 m, Alaska) |
2 |
2000-2500m |
| Talkeetna Airport (109 m, Alaska) |
0 |
>2500m |
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
6 |
1500-2000m |
| Fairbanks Intl. Airport (135 m, Alaska) |
4 |
>2500m |
| Middleton Island Airport (14 m, Alaska) |
8 |
200-300m |
| Allen Army Airfield (391 m, Alaska) |
0 |
>2500m |
| Gulkana Airport (481 m, Alaska) |
0 |
>2500m |
| Fort Yukon Airport (135 m, Alaska) |
0 |
>2500m |
| Yakutat Airport (13 m, Alaska) |
8 |
1000-1500m |
| Burwash Landing Airport (807 m, Yukon) |
0 |
>2500m |
| Shingle Point AP (49 m, Yukon) |
8 |
50-100m |
| Mayo Airport (504 m, Yukon) |
7 |
1500-2000m |
| Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) |
4 |
>2500m |
| Juneau Intl. Airport (7 m, Alaska) |
8 |
1000-1500m |
| Inuvik (68 m, Northwest Territories) |
8 |
|
| Sandspit (6 m, British Columbia) |
8 |
300-600m |
| Annette Island Airport (110 m, Alaska) |
8 |
1500-2000m |
| Prince Rupert Airport (36 m, British Columbia) |
6 |
|
| Prince Rupert (35 m, British Columbia) |
7 |
2000-2500m |
| Dease Lake Airport (803 m, British Columbia) |
2 |
>2500m |
| Watson Lake Airport (690 m, Yukon) |
6 |
|
| Terrace Airport (217 m, British Columbia) |
8 |
50-100m |
| Bella Bella (43 m, British Columbia) |
0 |
>2500m |
| Port Hardy Airport (22 m, British Columbia) |
0 |
>2500m |
| Smithers (517 m, British Columbia) |
8 |
>2500m |
| Norman Wells (78 m, Northwest Territories) |
4 |
>2500m |
| Comox (26 m, British Columbia) |
1 |
>2500m |
| Ingenika Point (680 m, British Columbia) |
8 |
|
| Cape Parry AP (14 m, Northwest Territories) |
8 |
50-100m |
| Quillayute Airport (55 m, Washington) |
0 |
>2500m |
| Southwest Oregon Regional Airport (1 m, Oregon) |
8 |
|
| Crescent City (17 m, California) |
8 |
|
| Arcata (18 m, California) |
8 |
300-600m |
| Newport Airport (37 m, Oregon) |
8 |
|
| Bowerman Airport (3 m, Washington) |
0 |
|
| Astoria Regional Airport (7 m, Oregon) |
0 |
>2500m |
| William R. Fairchild Intl. Airport (88 m, Washington) |
0 |
|
| Victoria (IAP) (19 m, British Columbia) |
5 |
>2500m |
| Roseburg Regional Airport (160 m, Oregon) |
0 |
|
| Corvallis Airport (75 m, Oregon) |
0 |
|
| Eugene Airport (114 m, Oregon) |
0 |
>2500m |
| Ukiah Airport (187 m, California) |
0 |
|
| Vancouver Airport (4 m, British Columbia) |
5 |
>2500m |
| Sanderson Field Airport (85 m, Washington) |
0 |
|
| McMinnville Airport (159 m, Oregon) |
0 |
|
| Mackenzie (690 m, British Columbia) |
8 |
>2500m |
| Friday Harbor Airport (33 m, Washington) |
0 |
|
| McNary Field Airport (61 m, Oregon) |
0 |
>2500m |
| Hillsboro Airport (62 m, Oregon) |
0 |
|
| Olympia Regional Airport (61 m, Washington) |
0 |
>2500m |
| Southwest Washington Regional Airport (4 m, Washington) |
0 |
|
| Medford Airport (397 m, Oregon) |
0 |
>2500m |
| Scappoose Industrial Airpark Airport (16 m, Oregon) |
0 |
|
| Santa Rose Airport (38 m, California) |
0 |
|
| Aurora State Airport (60 m, Oregon) |
0 |
|
| Trinity Center (728 m, California) |
0 |
|
| Prince George Airport (691 m, British Columbia) |
2 |
>2500m |
| Naval Air Station Whidbey (10 m, Washington) |
6 |
|
| Pearson Field (8 m, Washington) |
0 |
|
| Portland Airport (12 m, Oregon) |
2 |
>2500m |
| Tacoma Narrows Airport (89 m, Washington) |
0 |
|
| Gray Army Airfield (89 m, Washington) |
0 |
|
| Fort Nelson Airport (389 m, British Columbia) |
7 |
>2500m |
| Bellingham Intl. Airport (45 m, Washington) |
0 |
|
| Quesnel Airport (545 m, British Columbia) |
8 |
|
| Quesnal (545 m, British Columbia) |
8 |
>2500m |
| McChord Field (88 m, Washington) |
0 |
|
| Siskiyou (807 m, California) |
0 |
|
| Portland- Troutdale Airport (11 m, Oregon) |
0 |
|
| San Francisco Intl. Airport (5 m, California) |
2 |
200-300m |
| Abbotsford Airport (58 m, British Columbia) |
6 |
>2500m |
| Mount Shasta (1077 m, California) |
0 |
|
| Seattle (137 m, Washington) |
6 |
>2500m |
| Boeing Field Airport (6 m, Washington) |
6 |
|
| Redding Airport (153 m, California) |
0 |
>2500m |
| Paine Field (185 m, Washington) |
0 |
|
| Napa Airport (10 m, California) |
8 |
|
| San Carlos Airport (1 m, California) |
0 |
|
| Red Bluff Airport (108 m, California) |
0 |
>2500m |
| Oakland Intl. Airport (6 m, California) |
8 |
|
| Renton Airport (9 m, Washington) |
0 |
|
| Arlington Airport (42 m, Washington) |
0 |
|
| Hayward Executive Airport (14 m, California) |
4 |
|
| Moffett Federal Airfield (12 m, California) |
6 |
|
| Williams Lake Airport (942 m, British Columbia) |
8 |
>2500m |
| Buchanan Field Airport (7 m, California) |
0 |
|
| Nut Tree Airport (34 m, California) |
0 |
|
| Travis Air Force Base (22 m, California) |
0 |
|
| San Jose Intl. Airport (17 m, California) |
0 |
|
| Monterey Regional Airport (77 m, California) |
8 |
|
| Chico Airport (73 m, California) |
0 |
|
| Livermore Airport (121 m, California) |
0 |
|
| Sacramento Intl. Airport (7 m, California) |
0 |
|
| Crater Lake (1244 m, Oregon) |
0 |
|
| Oroville Airport (57 m, California) |
0 |
|
| Salinas Airport (26 m, California) |
8 |
|
| Lytton Airport (225 m, British Columbia) |
6 |
|
| Lytton (225 m, British Columbia) |
7 |
>2500m |
| Yuba (19 m, California) |
0 |
|
| Sacramento Executive Airport (8 m, California) |
0 |
|
| Hope Aerodrome (39 m, British Columbia) |
7 |
>2500m |
| Beale Air Force Base (38 m, California) |
0 |
|
| Stampede (1206 m, Washington) |
0 |
|
| Sacramento Mather Airport (29 m, California) |
0 |
|
| Stockton Metropolitan Airport (8 m, California) |
0 |
>2500m |
| Fort Simpson Airport (169 m, Northwest Territories) |
2 |
>2500m |
| Roberts Field (932 m, Oregon) |
0 |
|
| Columbia Gorge Regional Airport (73 m, Washington) |
0 |
|
| Modesto (30 m, California) |
0 |
|
| Prineville Airport (991 m, Oregon) |
0 |
|
| Fort St. John AP (695 m, British Columbia) |
7 |
>2500m |
| Blue Canyon (1611 m, California) |
0 |
|
| San Luis Obispo County Regional Airport (64 m, California) |
8 |
|
| Paso Robles Airport (255 m, California) |
0 |
|
| Vandenberg Space Force Base (112 m, California) |
8 |
|
| Bowers Airport (527 m, Washington) |
0 |
|
| Alturas Airport (1341 m, California) |
0 |
|
| Yakima Airport (325 m, Washington) |
0 |
>2500m |
| Merced Regional Airport (47 m, California) |
0 |
|
| Lompoc Airport (27 m, California) |
8 |
|
| Santa Maria Public Airport (73 m, California) |
8 |
100-200m |
| Kamloops Airport (345 m, British Columbia) |
6 |
>2500m |
| Lake County Airport (1441 m, Oregon) |
0 |
|
| Columbia Airport (646 m, California) |
0 |
|
| Pangborn Memorial Airport (379 m, Washington) |
0 |
|
| Dawson Creek Airport (655 m, British Columbia) |
8 |
>2500m |
| Truckee Tahoe Airport (1798 m, California) |
0 |
|
| Madera Airport (77 m, California) |
0 |
|
| Lake Tahoe Airport (1909 m, California) |
0 |
|
| Sunnyside Muni (234 m, Washington) |
0 |
|
| Naval Air Station Lemoore (73 m, California) |
0 |
|
| Santa Barbara Airport (3 m, California) |
8 |
|
| Reno (1341 m, Nevada) |
2 |
>2500m |
| Fresno Yosemite Intl. Airport (100 m, California) |
0 |
>2500m |
| Hanford Airport (75 m, California) |
0 |
|
| Penticton Airport (344 m, British Columbia) |
7 |
>2500m |
| Omak Airport (382 m, Washington) |
0 |
|
| Ephrata Airport (383 m, Washington) |
0 |
|
| Naval Outlying Landing Field San Nicola (174 m, California) |
8 |
|
| Visalia Airport (89 m, California) |
0 |
|
| Kelowna Intl. Airport (456 m, British Columbia) |
0 |
>2500m |
| Grant County Intl. Airport (364 m, Washington) |
0 |
|
| Hermiston Airport (195 m, Oregon) |
0 |
|
| Oxnard Airport (13 m, California) |
8 |
|
| Tri-Cities Airport (135 m, Washington) |
0 |
|
| Naval Air Station Point Mugu (2 m, California) |
8 |
|
| Camarillo Airport (23 m, California) |
8 |
|
| Meadows Field Airport (150 m, California) |
0 |
>2500m |
| Burns Airport (1271 m, Oregon) |
0 |
>2500m |
| Grande Prairie Airport (669 m, Alberta) |
6 |
>2500m |
| Eastern Oregon Regional Airport (456 m, Oregon) |
0 |
>2500m |
| Sandberg Airport (1379 m, California) |
0 |
>2500m |
| Naval Air Station Fallon Airport (1199 m, Nevada) |
0 |
|
| Derby Field (1190 m, California) |
0 |
|
| Van Nuys Airport (244 m, California) |
8 |
|
| Santa Monica Airport (53 m, California) |
8 |
|
| Meacham (1134 m, Oregon) |
0 |
|
| Los Angeles Intl. Airport (30 m, California) |
8 |
200-300m |
| Eastern Sierra Regional Airport (1263 m, California) |
0 |
>2500m |
| Burbank (237 m, California) |
8 |
|
| Hawthorne Airport (19 m, California) |
8 |
|
| Walla Walla Airport (355 m, Washington) |
0 |
|
| Downtown Los Angeles (82 m, California) |
8 |
|
| Revelstoke Airport (445 m, California) |
0 |
>2500m |
| Mojave Air and Space Port Airport (849 m, California) |
0 |
|
| Long Beach Airport (12 m, California) |
8 |
200-300m |
| General William J. Fox Airfield (712 m, California) |
0 |
|
| Joint Forces Training Base (11 m, California) |
8 |
|
| La Grande/Union County Airport (826 m, Oregon) |
0 |
|
| Fullerton Airport (29 m, California) |
8 |
|
| Palmdale Regional Airport (774 m, California) |
0 |
|
| Edwards Air Force Base (705 m, California) |
0 |
|
| John Wayne Airport (16 m, California) |
8 |
|
| Edwards (701 m, California) |
0 |
|
| Baker City Airport (1026 m, Oregon) |
0 |
|
| Winnemucca Airport (1322 m, Nevada) |
0 |
>2500m |
| Naval Air Weapons Station China Lake (696 m, California) |
0 |
|
| Fairchild Air Force Base (743 m, Washington) |
0 |
|
| Chino Airport (199 m, California) |
8 |
|
North - South