| Stations: 11 | Humidity |
| Ballypatrick Fst (156 m) | 64 % |
| Belfast/Aldergrove AP (68 m) | 70 % |
| Belfast/Harbour (5 m) | 70 % |
| Castlederg (50 m) | 60 % |
| Eglinton AP (9 m) | 90 % |
| Glenanne (160 m) | 85 % |
| Lough Fea (227 m) | 74 % |
| Magilligan (6 m) | 86 % |
| Portglenone (65 m) | 70 % |
| St Angelo (47 m) | 64 % |
| Thomastown (72 m) | 75 % |