Having enjoyed blue skies and much strong sunshine for two days, this morning has dawned with thick cloud cover, which has lifted the air temperature to just above freezing at 08.00 with a reading of 0.1C. This followed a beautiful day yesterday, if cold, when the thermometer only reached 4.9C, some 2C below the January average maximum. There were 5.52 hours of strong sunshine yesterday, but the temperature plummeted late afternoon and was dropping a degree very hour in the evening until it reached a minimum of -5.1C at 01.33 early the morning.
The heavy frost of the last few days has penetrated into the ground and meant that this morning the temperature of the soil at a depth 5cm is -0.7, yesterday morning it was -1.3C.
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