Sunday saw the thermometer rise to a maximum of 10.5C being 2.7C above the 38-year average in the limited sunshine of 1.9 hours.
The temperature began to fall away during the evening to reach a low of 0.8C at 07.10 on Monday being 07C below the average.
Monday began with welcome sunshine after the sun rose above the horizon.
A ridge of high pressure has been building over the past twenty-four hours that has seen a rise of 22mb with a pressure of 1027.5mb at 08.00, the highest since the end of January.