Code:
=SUMIFS($D$4:$D$37,$A$4:$A$37,TODAY())-SUMIFS($D$4:$D$37,$A$4:$A$37,TODAY()-1)
Or, when adding a column header for dates (e.g. renaming header Date to Day, and naming leftmost column with dates as Date), and getting rid of special characters in column names (e.g. renaming # REPORTED TODAY AS Reported), you define your table as Table (Insert>Table) and giving it a name e.g. YourTable:
Code:
=SUMIFS(YourTable[Reported],YourTable[Date],TODAY())-SUMIFS(YourTable[Reported],YourTable[Date],TODAY()-1)