| Stations: 12 | Humidity |
| Andrewsfield (87 m) | 100 % |
| Cambridge (15 m) | 95 % |
| Manston South East (54 m) | 95 % |
| Norwich Weather Centre (37 m) | 85 % |
| Shoeburyness Landwick (3 m) | 95 % |
| Southend-on-Sea AP (15 m) | 85 % |
| Wainfleet (5 m) | 90 % |
| Wattisham (89 m) | 94 % |
| Weybourne (20 m) | 96 % |
| Wittering (73 m) | 93 % |
| Wyton (41 m) | 95 % |