The thermometer peaked at 15.5C on Wednesday, the highest for three days but still 3.4C below the 38-year average. The slight increase in warmth was due to much sunshine and a lighter wind but still from the cool Northwest.
The day was dry but just before 04.00 on Thursday a light shower passed over bringing 1.1mm of rainfall that lifted the monthly total to 47.8mm being 71% of the long-term average.
The thermometer dropped rapidly late evening and in the early hours of Thursday to reach 4.4C at 01.45, which was a significant 4.9C below the average thanks to clear skies and the cool air from the Northwest.
Thursday dawned dull with low cloud masking the Marlborough Downs thus no sunshine to raise the temperature significantly. The barometric pressure at 08.00 read 1001.7mb with, which was the lowest pressure since early May.