| Stations: 37 | Humidity |
| Albemarle (146 m) | 95 % |
| Bingley (267 m) | 91 % |
| Blackpool Airport (10 m) | 97 % |
| Boulmer (27 m) | 91 % |
| Bridlington (19 m) | 89 % |
| Carlisle (26 m) | 95 % |
| Carlisle (27 m) | 94 % |
| Church Fenton (8 m) | 91 % |
| Crosby (9 m) | 95 % |
| Dishforth (33 m) | 87 % |
| Donna Nook (11 m) | 82 % |
| Fylingdales (262 m) | 99 % |
| Great Dun Fell (847 m) | 99 % |
| Hawarden (9 m) | 83 % |
| Humberside (31 m) | 95 % |
| IoM / Ronaldsway AP (16 m) | 95 % |
| Keswick (81 m) | 94 % |
| Leconfield (7 m) | 85 % |
| Leeds Bradford Intl. Airport (208 m) | 95 % |
| Leeds Bradford Intl. Airport (207 m) | 100 % |
| Leeming (32 m) | 92 % |
| Linton-On-Ouse (14 m) | 89 % |
| Liverpool AP (26 m) | 95 % |
| Loftus Samos (159 m) | 100 % |
| Manchester (69 m) | 95 % |
| Marham (21 m) | 82 % |
| Mildenhall Royal Air Force (10 m) | 90 % |
| Newcastle Airport (81 m) | 95 % |
| Redesdale Camp (212 m) | 93 % |
| Shap (249 m) | 95 % |
| Spadeadam (325 m) | 95 % |
| Spadeadam II (286 m) | 96 % |
| St Bees Head (123 m) | 100 % |
| Tees-Side (37 m) | 90 % |
| Topcliffe (28 m) | 95 % |
| Walney (14 m) | 95 % |
| Warcop Range (227 m) | 100 % |