The summer of 1913 set the world’s record maximum temperature of 134 degrees on July 10.
The summer of 1913 also had the Midwest’s longest heatwave. Appleton City, MO was over 90 degrees for 81 consecutive days – from June 23 to September 11.
From June 13 to September 11 1913, Appleton City was over 90 degrees every day but one – and maximum temperatures averaged over 100 degrees. That summer averaged 17 degrees warmer than this past summer, which Gavin says was the hottest ever.
