BTW, I recorded this as late as 4.45pm, anybody else record
their maxima rather later than might be expected?

Col

Hi Col,
my maximum was recorded about the same time after a slight dip in
temperature around 1400.
Current temp 1945 BST 27.2°C
best regards,
Alan

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Wirral, Merseyside. 53.2N 3.0W 40m amsl