| Stations: 173
|
Humidity |
| Delta Airport (1451 m, Utah) |
10 % |
| Kemmerer Municipal Airport (2220 m, Wyoming) |
10 % |
| South Texas Regional Airport at Hondo (283 m, Texas) |
20 % |
| Mojave Air and Space Port Airport (849 m, California) |
20 % |
| Ralph Wenz Field (2160 m, Wyoming) |
25 % |
| Yuba (19 m, California) |
35 % |
| Clinton/Bleibler Ranch Aerodrome (1128 m, British Columbia) |
35 % |
| Mount Shasta (1077 m, California) |
40 % |
| Colorado Air and Space Port (1680 m, Colorado) |
40 % |
| Nikolai Airport (126 m, Alaska) |
40 % |
| Buckeye Airport (315 m, Arizona) |
45 % |
| Belen Airport (1583 m, New Mexico) |
50 % |
| Edmonton (IAP) (707 m, Alberta) |
50 % |
| Meadow Lake Airport (2095 m, Colorado) |
50 % |
| Branson Airport (397 m, Missouri) |
55 % |
| Wray Airport (1087 m, Colorado) |
55 % |
| Saint Mary`s (Awos) (95 m, Alaska) |
60 % |
| Sparrevohn LRRS Airport (482 m, Alaska) |
60 % |
| Midland Airpark Airport (854 m, Texas) |
60 % |
| Jesup Airport (33 m, Georgia) |
65 % |
| Sierra Blanca Regional Airport (2076 m, New Mexico) |
65 % |
| Mountain Village Airport (103 m, Alaska) |
65 % |
| North Battleford Airport (548 m, Saskatchewan) |
65 % |
| Esquimalt (3 m, British Columbia) |
65 % |
| First Flight Airport (4 m, North Carolina) |
70 % |
| Ardmore (257 m, Oklahoma) |
70 % |
| Hebbronville Airport (202 m, Texas) |
70 % |
| Llano Airport (336 m, Texas) |
70 % |
| Dare (4 m, North Carolina) |
75 % |
| Pitt- Greenville Airport (8 m, North Carolina) |
75 % |
| Castroville Airport (235 m, Texas) |
75 % |
| Killeen (283 m, Texas) |
75 % |
| Lubbock Preston Smith Intl. Airport (988 m, Texas) |
75 % |
| Sanderson Field Airport (85 m, Washington) |
75 % |
| Majors Airport (163 m, Texas) |
75 % |
| Holyoke Airport (1137 m, Colorado) |
75 % |
| False Pass Airport (6 m, Alaska) |
80 % |
| Naval Air Station Key West (2 m, Florida) |
80 % |
| Cherokee County Regional Airport (372 m, Georgia) |
80 % |
| Leonardtown Airport (43 m, Maryland) |
80 % |
| Marysville Airport (391 m, Kansas) |
80 % |
| Shawano Airport (248 m, Wisconsin) |
80 % |
| Natashquan Airport (11 m, Quebec) |
80 % |
| Natashquan Airport (9 m, Quebec) |
80 % |
| Easton Airport (22 m, Maryland) |
80 % |
| Angoon Seaplane Base (0 m, Alaska) |
80 % |
| Bay Bridge Airport (15 m, Maryland) |
80 % |
| Elkins/Randolph Field AP (609 m, West-Virginia) |
80 % |
| Beeville Airport (82 m, Texas) |
80 % |
| Harry Stern Airport (295 m, North Dakota) |
80 % |
| Central Illinois Regional Airport (267 m, Illinois) |
80 % |
| Jacksonville Executive at Craig Airport (12 m, Florida) |
80 % |
| Clearfield- Lawrence Airport (462 m, Pennsylvania) |
85 % |
| Tangier (2 m, Texas) |
85 % |
| Anson County Airport (91 m, North Carolina) |
85 % |
| Okmulgee Regional Airport (219 m, Oklahoma) |
85 % |
| Graham Airport (342 m, Texas) |
85 % |
| Nogales Airport (1184 m, Arizona) |
85 % |
| Naval Station Mayport (5 m, Florida) |
85 % |
| College Park Airport (15 m, Maryland) |
85 % |
| David Wayne Hooks Memorial Airport (46 m, Texas) |
85 % |
| Gambell Airport (7 m, Alaska) |
85 % |
| Cavalier Airport (270 m, North Dakota) |
85 % |
| Gastonia Airport (243 m, North Carolina) |
85 % |
| Anderson Airport (280 m, Indiana) |
85 % |
| Greater Sudbury (190 m, Ontario) |
85 % |
| Deadhorse Airport (23 m, Alaska) |
85 % |
| Adak (5 m, Alaska) |
85 % |
| MidAmerica St. Louis Airport (135 m, Illinois) |
85 % |
| Shenandoah Valley Regional Airport (366 m, Virginia) |
85 % |
| Mount Pleasant Regional Airport (4 m, South Carolina) |
90 % |
| Joliet Regional Airport (177 m, Illinois) |
90 % |
| St.Anthony A (32 m, Newfoundland) |
90 % |
| Coast Guard Air Station Port Angeles (4 m, Washington) |
90 % |
| Clinton Airport (251 m, Missouri) |
90 % |
| Florala Airport (96 m, Alabama) |
90 % |
| William R. Fairchild Intl. Airport (88 m, Washington) |
90 % |
| Sawyer Intl. Airport (372 m, Michigan) |
90 % |
| Skyhaven Airport (243 m, Missouri) |
90 % |
| Big Spring Airport (784 m, Texas) |
90 % |
| Pineville Airport (544 m, West-Virginia) |
90 % |
| Lorain (242 m, Ohio) |
90 % |
| Dare County Gunnery Range (3 m, North Carolina) |
90 % |
| Yakutat Airport (13 m, Alaska) |
90 % |
| Currituck County Regional Airport (5 m, North Carolina) |
90 % |
| Asheboro Airport (205 m, North Carolina) |
90 % |
| Enid Woodring Regional Airport (356 m, Oklahoma) |
90 % |
| Demopolis Airport (34 m, Alabama) |
90 % |
| Iowa Falls Airport (347 m, Iowa) |
90 % |
| Swainsboro Airport (100 m, Georgia) |
90 % |
| Southport Airport (8 m, North Carolina) |
90 % |
| Richard I. Bong Airport (206 m, Wisconsin) |
90 % |
| Washington Airport (149 m, Missouri) |
95 % |
| Dillingham Airport (29 m, Alaska) |
95 % |
| Venango Regional Airport (469 m, Pennsylvania) |
95 % |
| Pittsburgh-Butler Regional Airport (380 m, Pennsylvania) |
95 % |
| Wheaton Airport (313 m, Minnesota) |
95 % |
| Wheeling Ohio (365 m, West-Virginia) |
95 % |
| Fletcher Field (53 m, Mississippi) |
95 % |
| Egegik Airport (119 m, Alaska) |
95 % |
| Delta County Airport (187 m, Michigan) |
95 % |
| Koliganek Airport (82 m, Alaska) |
95 % |
| Tampa Executive Airport (7 m, Florida) |
95 % |
| Mayfld Grav Cnty AP (159 m, Kentucky) |
95 % |
| Price County Airport (449 m, Wisconsin) |
95 % |
| Pilot Point Airport (17 m, Alaska) |
95 % |
| Allegheny (382 m, Pennsylvania) |
95 % |
| Sand Point Airport (7 m, Alaska) |
95 % |
| Vinton Airport (258 m, Iowa) |
95 % |
| Wekweètì Airport (368 m, Northwest Territories) |
95 % |
| South Alabama Regional Airport (94 m, Alabama) |
95 % |
| Atka Airport (17 m, Alaska) |
95 % |
| Bellefontaine Regional Airport (342 m, Ohio) |
95 % |
| Brookneal (182 m, Virginia) |
95 % |
| Burlington Airport (237 m, Wisconsin) |
95 % |
| Cambridge- Dorchester Airport (6 m, Maryland) |
95 % |
| Carmi Airport (118 m, Illinois) |
95 % |
| Clinton Airport (45 m, North Carolina) |
95 % |
| Clyde AP (27 m, Nunavut) |
95 % |
| Concord-Padgett Regional Airport (210 m, North Carolina) |
95 % |
| Crossville Airport (569 m, Tennessee) |
95 % |
| Greater Cumberland Regional Airport (236 m, Maryland) |
95 % |
| Stuart Powell Field (312 m, Kentucky) |
95 % |
| Dayton Intl. Airport (306 m, Ohio) |
95 % |
| Ohio State University Airport (276 m, Ohio) |
95 % |
| DuBois Airport (554 m, Pennsylvania) |
95 % |
| St. Louis Downtown Airport (126 m, Illinois) |
95 % |
| Martin State Airport (7 m, Maryland) |
95 % |
| Wright-Patterson Air Force Base (251 m, Ohio) |
95 % |
| Fleming-Mason Airport (278 m, Kentucky) |
95 % |
| Tipton Airport (46 m, Maryland) |
95 % |
| Gander Airport (151 m, Newfoundland) |
95 % |
| Goshen Airport (252 m, Indiana) |
95 % |
| Homerville Airport (57 m, Georgia) |
95 % |
| Bowerman Airport (3 m, Washington) |
95 % |
| Igiugig Airport (27 m, Alaska) |
95 % |
| Ford Airport (360 m, Michigan) |
95 % |
| Ashe County Airport (969 m, North Carolina) |
95 % |
| King Cove Airport (47 m, Alaska) |
95 % |
| King Salmon Airport (14 m, Alaska) |
95 % |
| Lake Anna AP (107 m, Virginia) |
95 % |
| Liverpool Bay (102 m, Northwest Territories) |
95 % |
| Mahnomen Airport (379 m, Minnesota) |
95 % |
| Mansfield Lahm Regional Airport (395 m, Ohio) |
95 % |
| Union County Airport (311 m, Ohio) |
95 % |
| McComb- Pike County Airport (126 m, Mississippi) |
95 % |
| McHenry Airport (894 m, Maryland) |
95 % |
| Accomack (15 m, Virginia) |
95 % |
| Meridian Regional Airport (94 m, Mississippi) |
95 % |
| Lakeland Airport (496 m, Wisconsin) |
95 % |
| Custer Airport (188 m, Michigan) |
95 % |
| New Stuyahok Airport (92 m, Alaska) |
95 % |
| Lowe Army Heliport (74 m, Alabama) |
95 % |
| Palatka Airport (15 m, Florida) |
95 % |
| Pelly (17 m, Northwest Territories) |
95 % |
| Platinum Airport (5 m, Alaska) |
95 % |
| Sable Island AP (5 m, Nova Scotia) |
95 % |
| Sable Island (1 m, Nova Scotia) |
95 % |
| Seminole Airport (1010 m, Texas) |
95 % |
| Lake Cumberland Regional Airport (283 m, Kentucky) |
95 % |
| Springfield- Beckley Airport (323 m, Ohio) |
95 % |
| Wabush Airport (551 m, Newfoundland) |
95 % |
| Fulton County Airport (238 m, Ohio) |
95 % |
| Greater Cumberland Regional Airport (236 m, West-Virginia) |
95 % |
| Lonesome Pine Airport (817 m, Virginia) |
95 % |
| Houston County Airport (106 m, Texas) |
95 % |
| Glasgow Airport (218 m, Kentucky) |
95 % |
| Hot Springs (1153 m, Virginia) |
95 % |
| Huntsville Executive Airport (230 m, Alabama) |
95 % |
| Rocksprings Airport (723 m, Texas) |
95 % |
| Columbus County Airport (30 m, North Carolina) |
95 % |
| William M Tuck (128 m, Virginia) |
95 % |
North - South