The Post-1963 Plunge

October 18 temperatures were much warmer in the US prior to the mid-1960s.

The warmest October 18 occurred in 1953

18 Oct 1953, 1 – Evansville Press at Newspapers.com

psi-195310.gif (690×488)

The same pattern is true for the entire month of October.

About Tony Heller

Just having fun
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