Thursday saw the arrival of Polar Maritime Air that had travelled from the Arctic but modified in temperature having traversed a large area of the North Atlantic. However, temperatures were down again with a maximum of 20.9C, which was 0.2C above average.
Late afternoon the breeze picked up with a maximum gust of 22mph.
We enjoyed 5.4 hours of sunshine but at this time of year the UV strength is weakening although the value of 5.7 is just in the High category.
Clear skies overnight meant a chilly night, after a brief shower at 19.40 amounting to just 0.1mm, so that a minimum of 8.9C was recorded at 05.59, which was 2.5C below the 34-year August average.
Sunshine from dawn on Friday allowed the temperature to begin a recovery so that by 08.00, when readings were taken, the thermometer read 12.0C making this the coolest morning since 6th June.
Update at 18.00: temperature much reduced due to cooler Arctic air with a maximum of 18.5C at 12.21 before cloud cover increased, which was 2.2C below average. Brief shower mid-afternoon but heavy and continuous rain started at 17.44.
Update at 21.50: chilly night ahead as current temperature is 9.4C and still falling.