Some data:  Beware the non linear scale over time! Note the variation prior to the  human epoch. Note the long term cooling!
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http://gergs.net/2016/09/snyder-global-t...ure-graph/
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http://gergs.net/2016/09/snyder-global-t...ure-graph/
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Aloysius
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Y'all stay beautiful!!
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Y'all stay beautiful!!