July 31 afternoon temperatures have been declining in the US for a century, with the hottest year being 1917 when almost half of the US was over 95 degrees.
On July 31, 1954, there were 100-degree temperatures coast to coast. New York City was 100 degrees.
On July 31, 1988, it was 110 degrees at Montevideo, Minnesota, and much of the US was experiencing extreme drought.
31 Jul 1988, Page 501 – The Pittsburgh Press at Newspapers.com
Read more at Real Climate Science
Yesterday local Fox weather reported every city in Florida was under 90 degrees. I don’t believe I’ve ever seen that on the last day of July.