The next problem to solve: why all the "noise" in the data during the second half of the day? We have a few guesses but don't have any firm convictions at this point but we're assuming that something is happening to drive a single measurement to an unreasonable level. The proposed fix is to throw out all unrealistic measurements either based on absolute limits (no temperatures greater than 200'F and less than -30'F) or a relative limit (no temperature change more than 50 degrees away from the previous measurement). This will complicate the code slightly but, hey, that's what nerd friends are for.
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