..I am a little more South than yourself, am in Brum, it was fething hot yesturday here too, mid 30's, it felt hotter in late evening though after the days 'heatsoak' kicked in after it went dark - luckly I had some refigerated water & ice bottles to drink and cool down with.
4.13, perhaps, is it any good ...I've heard conflicting things about it being a bit poor on 1C/TD-'s usual standards
, sorry to hijack your thread in a tangental manner