Summers used to be much hotter in Michigan.
Maximum temperatures have dropped about 1C over the past 90 years.
Heatwave duration has plummeted. In 1921, Owosso had 21 straight days over 90 degrees. The longest stretch the last two years was three days.
The frequency of 90 degree days in Michigan has declined by 60% over the last 120 years, and is now close to zero.
Heidi Cullen claims that midwest summers are getting much hotter, because she is a fraud paid to lie about global warming.