nope... it's returning a count of matching lines with the most last... so its not really avg but 'most common' i.e.;
1 26000
4 27000
more accurate than I remember from last time using them;
readTIME="202012051837" TMPis="25.8" HUMis="59.0"
readTIME="202012051839" TMPis="25.8" HUMis="58.8"
readTIME="202012060023" TMPis="25.8" HUMis="58.8"
readTIME="202012060118" TMPis="25.3" HUMis="64.1"
readTIME="202012060119" TMPis="25.3" HUMis="63.2"
readTIME="202012060232" TMPis="25.1" HUMis="64.0"