Figure 1. Mean Monthly Temperature at Cleveland, 1856-2012. The warmest month is 2010 with a mean temperature of 56.0F; the coolest is 1857 with a mean of 37.8F. The linear trend is +0.24F per decade (+2.4F per century).

Figure 2. Mean monthly temperature for May at Cleveland, Ohio, 1855-2012. The warmest month is 1991 with a mean temperature of 66.9F; the coolest is 1907 with a mean of 51.1F. The linear trend is +0.15F per decade (+1.5F per century).

Figure 3. Monthly mean temperature for June at Cleveland, OH, 1855-2012. The warmest month is 1949 with a mean temperature of 73.9F; the coolest is 1903 with a mean of 62.2F. The linear trend is +.11F per decade (+1.1F per century).

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