Prior to 1960, August 1 was typically a very hot day in the US with about half of the US over 90 degrees. Since 1960, the percentage of the US over 90 degrees on August 1 has dropped to about 40%.
On August 1, 1955 every state was over 90 degrees, and twenty states recorded temperatures over 100 degrees. (AZ CA CO IA ID KS MN MO MT ND NE NJ NV NY OK SD TX UT VA WY)
The New York Times says extremely hot weather was unheard of in the 1950’s, but as with everything else – they are lying.