NCIC Monthly Summary
, but the cloud broke up as it headed south-eastwards, with sunshine developing. It was increasingly warm with near-unbroken sunshine from the 27th to 31st inclusive, with 15.3 hours of sunshine at St Harmon (Powys) on the 29th and 30th, and a maximum of 28.0 °C at Porthmadog (Gwynedd) on the 31st