Synoptic and climate stations
Llysdinam Wales 52.215, -3.45 Automatic Margam No 2 Wales 51.555, -3.72 Manual Milford Haven Conservancy Board Wales 51.708, -5.052 Automatic Mona Wales 53.26, -4.375 Automatic Nantyglo Wales 51.785, -3.184 Automatic Pembrey Sands Wales 51.714, -4.366 Automatic Porthmadog Wales 52.914, -4.157 Automatic