| Stations: 38
|
Humidity |
| Angelina (88 m, Texas) |
85 % |
| Arlington Airport (192 m, Texas) |
95 % |
| Barter Island LRRS Airport (11 m, Alaska) |
85 % |
| C. David Campbell Field (136 m, Texas) |
70 % |
| Chibougamau-Chapais AP (387 m, Quebec) |
95 % |
| Colorado Plains Regional Airport (1421 m, Colorado) |
95 % |
| Draughon- Miller Central Texas Regional Airport (208 m, Texas) |
90 % |
| Falls City/Brenner (300 m, Nebraska) |
80 % |
| Florence Airport (44 m, South Carolina) |
95 % |
| Gjoa Haven Airport (46 m, Nunavut) |
85 % |
| Hanscom Field (41 m, Massachusetts) |
85 % |
| Hawthorne Airport (19 m, California) |
90 % |
| Kalamazoo/Battle Creek Intl. Airport (266 m, Michigan) |
95 % |
| Klawock Airport (24 m, Alaska) |
75 % |
| Kuujjuarapik Airport (24 m, Quebec) |
85 % |
| La Grande Iv (306 m, California) |
95 % |
| La Grande-4 Airport (306 m, Quebec) |
95 % |
| Lakefront Airport (3 m, Louisiana) |
80 % |
| Laurinburg- Maxton Airport (67 m, North Carolina) |
95 % |
| Manassas Regional Airport (59 m, North Carolina) |
45 % |
| Mary’s Harbour (11 m, Newfoundland) |
50 % |
| Mary's Harbour Airport (12 m, Newfoundland) |
50 % |
| Matagami (280 m, California) |
95 % |
| Matagami Airport (280 m, Quebec) |
95 % |
| Mirabel Airport (82 m, Quebec) |
95 % |
| Mount Pleasant Airport (230 m, Michigan) |
95 % |
| Nikolai Airport (126 m, Alaska) |
65 % |
| O’Hare Intl. Airport (205 m, Illinois) |
95 % |
| Pelly (17 m, Northwest Territories) |
95 % |
| Pine Ridge Airport (1015 m, South Dakota) |
95 % |
| Plattsburgh Intl. Airport (72 m, New York) |
80 % |
| Port Heiden Airport (29 m, Alaska) |
95 % |
| Quillayute Airport (55 m, Washington) |
85 % |
| Red Deer Regional Airport (904 m, Alberta) |
95 % |
| Sandspit (6 m, British Columbia) |
85 % |
| South Texas Regional Airport at Hondo (283 m, Texas) |
95 % |
| St. Paul (9 m, Alaska) |
95 % |
| Texarkana Regional Airport (119 m, Arkansas) |
75 % |
North - South