This week in 1963, JFK was assassinated while riding in an open convertible. That was the warmest autumn on record in the US, and since then autumn temperatures have plummeted.
There was a worldwide drought occurring at the time.
12 Nov 1963, 4 – Arizona Daily Sun at Newspapers.com
26 Nov 1963, Page 2 – Anderson Herald at Newspapers.com
01 Nov 1963, Page 1 – Valley Morning Star at Newspapers.com
11 Nov 1963, Page 29 – The Evening Standard at Newspapers.com