Elaine Jones wrote in message
...
Quoting from message
posted on 2 Jan 2009 by N_Cook
I would like to add:

I'm old enough to have seen all those doorstep milkbottles with caps
standing an inch or more above the bottle rims in 1962/3 winter

At what temp would this occur?

I forgot to bring the milk in on Wednesday until late afternoon and,
because we are 600ft asl on a NW slope there'd been no sun and well
below freezing temps all day - I expected the lid to be pushed up but
it wasn't.

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Whatever the coldest overnight temperatures were over the early 1960s, I
don't have the data. Cold enough for sea-water to freeze at Weymouth,
Broadstairs etc

It would have been full-cream milk only in those days which may be relevant.

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