"Paul Hyett" wrote in message
...
In uk.sci.weather on Wed, 25 Oct 2006, Jim Smith wrote :

Wonder what the latest date for 21c to have been achieved is?

Early November, I'm pretty sure.
--
Yes, 5 Nov 1938 ... 21.1 (actually, 70°F) at several sites in E.England.
20.7°C was reached at Aber (north Welsh coast) on 17th Nov 1997
during a föhn ... the max was recorded after dark.

Philip