I have been told and I believe it to be true, that there is a difference between ‘dry cold’ and ‘damp cold’. When my aunts used to visit from Pennsylvania in the winter, they said the damp cold here was sharper and felt colder.
When I visited Pa one winter, and it was snowing, it was a ‘dry cold’ and I walked around with my coat open.
I have seen 30 below in Michigan, 20 below in Kansas, e.g.
But I have never been so uncomfortable as in 40 degree weather in Central Alabama. Bone-chilling.
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Interesting about wet/dry cold potlatch
When your ears start falling off it is getting too cold