Change to westerly winds brings cooler air

After the extreme heat of tuesday, with a maximum of 31.9C, yesterday the thermometer peaked at 27.3C but began to fall during the late afternoon as the wind veered from the the southeast to the west. The past night was 8C cooler with a minimum of 12.5C, close to the meanfor July. The extreme heat and sunshine meant that the last two days has seen the equivalent of over 10mm of rainfall evaporate into the atmosphere. The total rainfall for July to date is 10.4mm when the mean is 61.0mm. The ground is still holding much of the heat as at 08.00 today the soil temperature at a depth of 5cm was 19.9C.

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