Yes, good point. Had wondered whether I'd oversimplified the issue...

Edit: On second thought, it might not be "harder than that". The OP did say, "all of which are approx. 27.3 degrees Celsius", so it depends solely upon the OP's data set. There may never be an instance of such a downtrending of values--especially the way the OP characterized the data.

In reply to Re^3: comparing numbers from previous lines in a file? by Kenosis
in thread comparing numbers from previous lines in a file? by coding1227

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