Of course not. What I am saying is that an actual in these circumstances can be a little misleading as it very much depends exactly where the temperature is measured. Yesterday by anyone's admission was a very unusual day. No need to worry about me either, I have flown all over Northern Europe (and a few hot places) for the past 25 years and have managed to make well judged decisions so far in a variety of unusual circumstances! There again, I have never worked for the Aberdeen company who invented helicopter flying...