September 5 used to be a hot day in the US, but temperatures have plummeted since the 19th century
On this date in 1925, Arkansas, Georgia and Mississippi all reached 110 degrees. Illinois and Tennessee were 109 degrees. Alabama, Kentucky and Missouri were 108 degrees. South Carolina was 107 degrees, Kansas was 106 degrees, Oklahoma was 104 degrees.
Compare vs. September 5, 2016 – the official NOAA/NASA hottest year ever.