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Old March 17th 12, 02:44 PM posted to uk.sci.weather
Colin Youngs[_2_] Colin Youngs[_2_] is offline
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First recorded activity by Weather-Banter: Feb 2009
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Default Wettest places in Scotland - Tulloch Bridge / Bishopton 15 mm

"Roger Smith" schreef

: ... I thought that the "day" defining the Tmax figures in the Colin's
: tinyurl reference to the Met Office website is the period 0900-2100hrs.

Most of the temperature figures I quote come from the 06.00 and 18.00 synops
and cover periods of 12 hours ending at the synop times:

Min. temps: 18.00 on the previous day to 06.00 on the day in question.
Max. temps: 06.00 to 18.00 on the day in question.

Rainfall totals are for the 24 hours from 18.00 on the previous day to 18.00
on the day in question (the two 12-hour synop totals added together).

I also look at the lists on OGIMET, which show the 06.00 min. temps and
18.00 max. temps, for Charlwood, Exeter, Mona, Leek, Albemarle, Woodford and
St James's Park.

Those figures refer to the previous 24 hours, so I try to exclude any values
which fall outside the synop 12-hour periods.

In this case, I overlooked the fact that the 15.0°C at St James's Park was
recorded the previous day - as Dick Lovett has pointed out.

Colin Youngs
Brussels