In a previous post, I noted that this past summer was the hottest on record in Cleveland. In the post, I take a closer look at the months of July and August. July 2016 tied 1921 for sixth hottest on my expanded dataset (1855-present). Note the official records which date only to 1871 show this month as fifth hottest. August 2016 was the hottest on record with a mean temperature of 77.8F, ending in a statistical tie with both 1995 and 1947. July temperatures have been warming at a rate of 0.8F per century, and August temperatures have been warming at a rate of 1.4F per century. However, these data are not corrected for any sort of site or instrumentation changes. Due to a number of factors, the actual warming trend over that period is probably slightly more than implied by the data alone.

July Temperatures

Figure 1. July mean temps at Cleveland, Ohio (1855-2016).

Ten Hottest Julys on Record

  1. 1955 79.1F
  2. 2012 78.0F
  3. 1868 77.7F
  4. 2011 77.6F
  5. 1949 77.6F
  6. 2016 76.8F
  7. 1921 76.8F
  8. 1952 76.5F
  9. 1931 76.3F
  10. 1999, 1935 & 1901 76.2F

August Temperatures.png

Figure 2. August mean temps at Cleveland, Ohio (1855-2016).

Ten Hottest Augusts on Record

  1. 2016 77.8F (TIE – 1st)
  2. 1995 77.8F (TIE – 1st)
  3. 1947 77.8F (TIE – 1st)
  4. 1959 76.1F (TIE -4th)
  5. 1955 76.1F (TIE – 4th)
  6. 1938 75.0F
  7. 2010 74.9F
  8. 1900 74.7F
  9. 1918 74.5F
  10. 1937 74.4F

Also, August 2016 tied for third hottest of ANY month, and July 2016 tied for ninth hottest of ANY month. Since 2011, Cleveland has experienced its second hottest (July 2012), third hottest (August 2016), seventh hottest (July 2011), and ninth hottest (July 2016) months.

Ten Hottest Months on Record

  1. July 1955 79.1F
  2. July 2012 78.0F
  3. August 2016 77.8F (TIE – 3rd)
  4. August 1995 77.8F (TIE – 3rd)
  5. August 1947 77.8F (TIE – 3rd)
  6. July 1868 77.7F
  7. July 2011 77.6F (TIE – 7th)
  8. July 1949 77.6F (TIE – 7th)
  9. July 2016 76.8F (TIE – 9th)
  10. July 1921 76.8F (TIE – 9th)
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