This date in 1926 was the hottest on record in New York State, at 108 degrees. There were 100 degree temperatures fro Louisiana to New Hampshire.
The hottest July 22nd was in 1901, with the average afternoon temperature across the US at 96 degrees. It was 112 degrees in Illinois and Indiana, and 110 degrees in Iowa and Wisconsin.
On this date in 1934, more than one third of the US was over 100 degrees. It was 112 degrees in Indiana, and 110 degrees in Illinois.