I've attached a workbook with two tabs. One tab ("Serial Dates") has a single row of dates listed in order. (although some dates are missing).
The second tab has two columns of dates for each row: An Open date and a Close date. Next to the Open and Close date is a value (Column S).
In the first tab, for every row, I want to get a sum of all values (in column S of the second tab) which would be included in the date ranges shown in the second tab.
I've tried using SUMIFS without success. I've also shown some manual calcs to illustrate what I'm looking for. Please let me know if I need to clarify anything. As always I appreciate the help of you Excel geniuses!
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