It’s been awhile since I made a new blog post, so I decided to post a quick update on the current summer. This has been a very hot and dry summer f0r Cleveland and, indeed, for all of northern Ohio and many of the adjacent Great Lakes states. Meteorological summer is typically defined as the period from June 1 through August 31 – this period is used because it roughly corresponds to the hottest three month period, and it’s more convenient for sharing climate info than relying on astronomical seasons which begin and end in the midst of months.

For the period June 1, 2016 through Friday, August 5, 2016, the mean temperature at Cleveland has been a remarkably warm 74.8F. To put this number in perspective, I have included a chart of the final summer readings for every year from 1855 through 2015 in Cleveland, Ohio (see Figure 1 below). If the season were to end today, this would be the third hottest meteorological summer behind 1995 (74.9F) and 1949 (75.0F). Obviously, there is still quite a bit of the month of August remaining; however, current indications are for the warm weather to persist for most of the next two weeks.

Summer Temps 1855-2016.png

Figure 1. Mean summertime temperatures in Cleveland, Ohio for the period 1855 through 2015.

The 10 Hottest Summers (June 1 through August 31)

  1. 1949 75.0F
  2. 1995 74.9
  3. 2010 74.4
  4. 1955 74.4
  5. 2005 74.3
  6. 2012 73.9
  7. 1952 73.9
  8. 1944 73.5
  9. 2011 73.3
  10. 2002, 1943, & 1934 73.2

The 10 Coldest Summers (June 1 through August 31)

  1. 1927 66.7F
  2. 1915 66.9
  3. 1903 67.1
  4. 1907 67.2
  5. 1875 67.4
  6. 1992 67.5
  7. 1985 67.6
  8. 1972 67.7
  9. 1960 67.7
  10. 1912 67.8

It has also been a very warm summer in neighboring southeast Michigan. For the period June 1 through August 6, Detroit has an average high temperature of 85.1F and an average low temperature of 63.7F, which yields a mean temperature of 74.4F. Over the same period, Flint, MI, has had an average high temperature of 86.3F and an average low temperature of 60.5F, which yields a mean temperature of 73.4F.

The 10 hottest summers on record at Detroit are as follows:

  1. 2012  74.8F
  2. 2005 74.8F
  3. 1995 74.5F
  4. 1955 74.5F
  5. 2011 74.4F
  6. 2010 74.4F
  7. 1988 74.2F
  8. 1933 74.0F
  9. 1949 73.8F
  10. 1921 73.7F

The 74.4F mean temperature through August 6th would tie for the 5th hottest summer on record with 2011 and 2010.

The 10 hottest summers on record at Flint, MI are as follows:

  1. 1933 74.2F
  2. 1934 74.0F
  3. 1936 72.7F
  4. 1939 72.6F
  5. 1931 72.6F
  6. 1921 72.6F
  7. 2010 72.3F
  8. 1949 72.3F
  9. 1955 72.2F
  10. 1935 72.0F

The 73.4F mean temperature through August 6th would be the third hottest on record, and the hottest since 1934.

 

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