| Stations: 2748
|
Cloud Cover |
Cloud Base |
| Adak (5 m) |
8 |
200-300m |
| Nome Airport (6 m) |
2 |
>2500m |
| Cold Bay Airport (31 m) |
6 |
600-1000m |
| Ralph Wien Memorial Airport (5 m) |
2 |
2000-2500m |
| Bethel Airport (44 m) |
0 |
>2500m |
| Aniak Airport (26 m) |
8 |
1500-2000m |
| Lihue Airport (32 m) |
8 |
300-600m |
| Port Heiden Airport (29 m) |
8 |
200-300m |
| Dillingham Airport (29 m) |
8 |
300-600m |
| Daniel K. Inouye Intl. Airport (5 m) |
6 |
300-600m |
| King Salmon Airport (14 m) |
8 |
100-200m |
| Kahului Airport (20 m) |
0 |
>2500m |
| McGrath Airport (103 m) |
0 |
>2500m |
| Hilo Intl. Airport (10 m) |
8 |
600-1000m |
| Iliamna Airport (49 m) |
8 |
1500-2000m |
| Kodiak Airport (34 m) |
8 |
600-1000m |
| Bettles Airport (196 m) |
4 |
>2500m |
| Talkeetna Airport (109 m) |
8 |
1500-2000m |
| Ted Stevens Anchorage Intl. Airport (42 m) |
6 |
1500-2000m |
| Fairbanks Intl. Airport (135 m) |
2 |
>2500m |
| Middleton Island Airport (14 m) |
8 |
200-300m |
| Allen Army Airfield (391 m) |
0 |
>2500m |
| Gulkana Airport (481 m) |
4 |
>2500m |
| Fort Yukon Airport (135 m) |
0 |
>2500m |
| Yakutat Airport (13 m) |
8 |
1000-1500m |
| Burwash Landing Airport (807 m, Yukon) |
0 |
>2500m |
| Mayo Airport (504 m, Yukon) |
7 |
>2500m |
| Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) |
2 |
>2500m |
| Juneau Intl. Airport (7 m) |
8 |
600-1000m |
| Inuvik (68 m, Northwest Territories) |
2 |
|
| Sandspit (6 m, British Columbia) |
8 |
1000-1500m |
| Prince Rupert (35 m, British Columbia) |
7 |
1500-2000m |
| Prince Rupert Airport (36 m, British Columbia) |
6 |
|
| Dease Lake Airport (803 m, British Columbia) |
8 |
2000-2500m |
| Watson Lake Airport (690 m, Yukon) |
4 |
|
| Terrace Airport (217 m, British Columbia) |
7 |
1500-2000m |
| Bella Bella (43 m, British Columbia) |
8 |
300-600m |
| Port Hardy Airport (22 m, British Columbia) |
4 |
600-1000m |
| Smithers (517 m, British Columbia) |
0 |
>2500m |
| Norman Wells (78 m, Northwest Territories) |
7 |
1000-1500m |
| Comox (26 m, British Columbia) |
1 |
1500-2000m |
| Ingenika Point (680 m, British Columbia) |
8 |
|
| Quillayute Airport (55 m) |
8 |
300-600m |
| Brookings Airport (140 m) |
0 |
|
| Southwest Oregon Regional Airport (1 m) |
8 |
|
| Crescent City (17 m) |
4 |
|
| Arcata (18 m) |
0 |
>2500m |
| Murray Field (18 m) |
0 |
|
| Rohnerville Airport (120 m) |
8 |
|
| Newport Airport (37 m) |
0 |
|
| Bowerman Airport (3 m) |
0 |
|
| Astoria Regional Airport (7 m) |
8 |
300-600m |
| Tillamook Airport (11 m) |
8 |
|
| William R. Fairchild Intl. Airport (88 m) |
0 |
|
| Victoria (IAP) (19 m, British Columbia) |
1 |
1500-2000m |
| Coast Guard Air Station Port Angeles (4 m) |
0 |
|
| Roseburg Regional Airport (160 m) |
0 |
|
| Corvallis Airport (75 m) |
8 |
|
| Eugene Airport (114 m) |
8 |
1500-2000m |
| Ukiah Airport (187 m) |
0 |
|
| Vancouver Airport (4 m, British Columbia) |
5 |
600-1000m |
| Sanderson Field Airport (85 m) |
6 |
|
| McMinnville Airport (159 m) |
8 |
|
| Mackenzie (690 m, British Columbia) |
8 |
>2500m |
| Friday Harbor Airport (33 m) |
8 |
|
| Chehalis Airport (54 m) |
2 |
|
| Hillsboro Airport (62 m) |
8 |
|
| Southwest Washington Regional Airport (4 m) |
8 |
|
| Olympia Regional Airport (61 m) |
0 |
>2500m |
| Orcas Island Airport (9 m) |
8 |
|
| Medford Airport (397 m) |
8 |
1000-1500m |
| Scappoose Industrial Airpark Airport (16 m) |
8 |
|
| Santa Rose Airport (38 m) |
8 |
|
| Aurora State Airport (60 m) |
8 |
|
| Bremerton Ntnl Arpt (147 m) |
8 |
|
| Prince George Airport (691 m, British Columbia) |
8 |
600-1000m |
| Trinity Center (728 m) |
0 |
|
| Naval Air Station Whidbey (10 m) |
6 |
|
| Pearson Field (8 m) |
8 |
|
| Petaluma Airport (27 m) |
8 |
|
| Portland Airport (12 m) |
8 |
1000-1500m |
| Tacoma Narrows Airport (89 m) |
8 |
|
| Marin (1 m) |
4 |
|
| Bellingham Intl. Airport (45 m) |
8 |
|
| Quesnel Airport (545 m, British Columbia) |
8 |
|
| Quesnal (545 m, British Columbia) |
8 |
1000-1500m |
| Eddie Andreini Sr. Airfield (20 m) |
8 |
|
| Siskiyou (807 m) |
0 |
|
| Skagit Regional Airport (44 m) |
8 |
|
| Portland- Troutdale Airport (11 m) |
8 |
|
| San Francisco Intl. Airport (5 m) |
2 |
300-600m |
| Abbotsford Airport (58 m, British Columbia) |
8 |
300-600m |
| Seattle (137 m) |
6 |
200-300m |
| Boeing Field Airport (6 m) |
8 |
|
| Redding Airport (153 m) |
0 |
>2500m |
| Puyallup Airport (164 m) |
2 |
|
| Napa Airport (10 m) |
8 |
|
| Paine Field (185 m) |
6 |
|
| San Carlos Airport (1 m) |
4 |
|
| Red Bluff Airport (108 m) |
0 |
>2500m |
| Oakland Intl. Airport (6 m) |
2 |
|
| Renton Airport (9 m) |
8 |
|
| Arlington Airport (42 m) |
8 |
|
| Hayward Executive Airport (14 m) |
4 |
|
| Moffett Federal Airfield (12 m) |
4 |
|
| Buchanan Field Airport (7 m) |
0 |
|
| Williams Lake Airport (942 m, British Columbia) |
4 |
2000-2500m |
| Nut Tree Airport (34 m) |
0 |
|
| San Jose Intl. Airport (17 m) |
0 |
|
| Chico Airport (73 m) |
0 |
|
| Monterey Regional Airport (77 m) |
8 |
|
| Livermore Airport (121 m) |
0 |
|
| Davis Airport (21 m) |
0 |
|
| Watsonville Airport (48 m) |
8 |
|
| Sacramento Intl. Airport (7 m) |
0 |
|
| Crater Lake (1244 m) |
0 |
|
| Oroville Airport (57 m) |
0 |
|
| Salinas Airport (26 m) |
8 |
|
| Lytton (225 m, British Columbia) |
8 |
1000-1500m |
| South County Arpt Of Santa Clara County (86 m) |
8 |
|
| Yuba (19 m) |
0 |
|
| Sacramento Executive Airport (8 m) |
0 |
|
| Hope Aerodrome (39 m, British Columbia) |
8 |
1500-2000m |
| Hollister Airport (70 m) |
8 |
|
| Sacramento McClellan Airport (23 m) |
0 |
|
| Lincoln Airport (37 m) |
0 |
|
| Sacramento Mather Airport (29 m) |
0 |
|
| Stockton Metropolitan Airport (8 m) |
0 |
>2500m |
| Bend Airport (1055 m) |
0 |
|
| Roberts Field (932 m) |
0 |
|
| Columbia Gorge Regional Airport (73 m) |
0 |
|
| Auburn Airport (467 m) |
0 |
|
| Nevada (961 m) |
4 |
|
| Modesto (30 m) |
0 |
|
| Prineville Airport (991 m) |
0 |
|
| Placerville Airport (788 m) |
0 |
|
| Fort St. John AP (695 m, British Columbia) |
7 |
>2500m |
| Blue Canyon (1611 m) |
0 |
|
| Paso Robles Airport (255 m) |
8 |
|
| San Luis Obispo County Regional Airport (64 m) |
8 |
|
| Alturas Airport (1341 m) |
0 |
|
| Yakima Airport (325 m) |
0 |
>2500m |
| Bowers Airport (527 m) |
0 |
|
| Merced Regional Airport (47 m) |
0 |
|
| Lompoc Airport (27 m) |
8 |
|
| Kamloops Airport (345 m, British Columbia) |
8 |
1500-2000m |
| Santa Maria Public Airport (73 m) |
8 |
300-600m |
| Columbia Airport (646 m) |
0 |
|
| Pangborn Memorial Airport (379 m) |
0 |
|
| Dawson Creek Airport (655 m, British Columbia) |
0 |
>2500m |
| Truckee Tahoe Airport (1798 m) |
4 |
|
| Madera Airport (77 m) |
0 |
|
| Santa Ynez Airport (205 m) |
8 |
|
| Lake Tahoe Airport (1909 m) |
0 |
|
| Sunnyside Muni (234 m) |
0 |
|
| Naval Air Station Lemoore (73 m) |
0 |
|
| Reno Stead Airport (1539 m) |
0 |
|
| Santa Barbara Airport (3 m) |
8 |
|
| Reno (1341 m) |
0 |
>2500m |
| Fresno Yosemite Intl. Airport (100 m) |
2 |
1500-2000m |
| Carson City Airport (1432 m) |
0 |
|
| Hanford Airport (75 m) |
0 |
|
| Penticton Airport (344 m, British Columbia) |
7 |
1500-2000m |
| Omak Airport (382 m) |
6 |
|
| Ephrata Airport (383 m) |
0 |
|
| Naval Outlying Landing Field San Nicola (174 m) |
8 |
|
| Visalia Airport (89 m) |
0 |
|
| Kelowna Intl. Airport (456 m, British Columbia) |
8 |
1500-2000m |
| Grant County Intl. Airport (364 m) |
4 |
|
| Hermiston Airport (195 m) |
8 |
|
| Naval Air Station Point Mugu (2 m) |
8 |
|
| Tri-Cities Airport (135 m) |
6 |
|
| Camarillo Airport (23 m) |
8 |
|
| Porterville Airport (135 m) |
0 |
|
| Meadows Field Airport (150 m) |
0 |
>2500m |
| Burns Airport (1271 m) |
0 |
>2500m |
| Grant County Regional Airport (1127 m) |
4 |
|
| Grande Prairie Airport (669 m, Alberta) |
8 |
>2500m |
| Eastern Oregon Regional Airport (456 m) |
0 |
>2500m |
| Mammoth Yosemite Airport (2173 m) |
0 |
|
| Naval Air Station Fallon Airport (1199 m) |
0 |
|
North - South