With your sample data in A1:D10
and
F2: the date to match....2013-12-19
G2: the hour to match....10:00:00 AM
Try this regular formula:
Formula:![]()
=SUMIFS(C2:C10,A2:A10,F2,B2:B10,G2)/SUMIFS(D2:D10,A2:A10,F2,B2:B10,G2)
Is that something you can work with?
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