A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
I think you'd need to write a custom VBA function. Here is a very simple version, it could be improved by adding error checking etc.
Function SumIfVisible(rng As Range, condition, rngSum As Range) As Double
Dim i As Long
For i = 1 To rngSum.Count
If rng(i) = condition And rngSum(i).EntireRow.Hidden = False Then
SumIfVisible = SumIfVisible + rngSum(i)
End If
Next i
End Function
Usage:
=SumIfVisible(B2:B17,B2,C2:C17)