Yesterday was a quiet day with little wind (maximum gust 10 mph) and minimal sunshine (0.72 hours). The daytime temperature recovered to near average wth a maximum of 13.6C. The thermometer dropped rapidly after dark and reached a minimum of 1.8C at 01.59 this morning, giving a temporary ground frost. The thermometer registered a recovery to 5.4C at 08.00.
No rain fell yesterday thus the total for April to date is 6.1mm compared to the 33-year average that is 59.7mm. During the past 28 days the moisture that has evaporated into the atmosphere from ground sources and plant life totals 65mm giving a deficit for April so far of almost 60mm of equivalent rainfall. It is no wonder that our two local rivers are registering several slight drops in their levels.
This morning, although there is little visible evidence of wind direction, the clouds show a total change in direction from north to south. We now have high pressure to the east and low pressure to the west hence the arrival of warmer air for the near continent rather than the polar maritime of recent days.
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