wrote in message
...

I'm sure that accuracy is important and obviously it can make a difference
of 0.1c

But the best thermometers don't work to that accuracy, far from it. Nor do
the screens. Nor do the exposures, even for MetO sites. I think the
difference of throwing to the odd or even is lost among other factors but
I'll say no more and continue to throw to the odd as the good old MetO has
told me to.
Ken