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Old July 18th 06, 04:16 PM posted to uk.sci.weather
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Default Exceptional daily range - low RH - south Berkshire

Very interesting, Alan, but where is your station?

--
Bernard Burton
Wokingham, Berkshire, UK.

Satellite images at:
www.btinternet.com/~wokingham.weather/wwp.html
"Alan Gardiner" wrote in message
...


Stephen Burt wrote:
Air min this morning 8.0°C - grass min 4.7°C
Today's max was 32.2°C

Daily range an exceptional 24.2 degC

Stevenson screen, open site, Vaisala HMP45C T/RH sensor, confirmed by
co-located MiG thermometers.

Adjacent Davis AWS showed 8.0° to 31.7° and precision thermistor in
Campbell Scientific radiation screen 8.1° to 32.5°C.

Second-highest daily range on my (35 year) personal record - the only
higher was 16 April 2003, which attained 25.0 degC (2.4°C to 27.4°C).

Exceptionally low RH - min 19% at 1615. This is the equal-lowest on my
personal records, with 18 June 2000. Several days this month have
already seen below 30%.

Stephen Burt
Stratfield Mortimer, Berkshire


My figures for my Davis AWS on the 18th of July are 32.8°C maximum and an
11.7°C minimum with a minimum RH of 21%.
The maximum here today is 33.7°C so far but the minimum last nightwas

13.5°C
so the range is unlikely to be greater today.

Since my station is in a sheltered back garden the temperatures are

probably
slightly higher than would be seen from a more open location required for

an
official site.

Alan




 
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