Hi,
I need to adjust the following formula so it only returns the average for cells in column AG12:AG377 which have a value (i.e. ISNUMBER)
{=AVERAGE(IF(('Milk-Cows-Day'!$D$12:$D$377>=EDATE($G20,0))*('Milk-Cows-Day'!$D$12:$D$377<=EOMONTH($G20,0)),'Milk-Cows-Day'!$AG$12:$AG$377,""))}
Currently...