Thanks for the reply and explanation. The reason I was thinking using an if statement is because there are 120 desired dates that I need to calculate an average for, and I didn't want to include 120 if statements in my code. Also the file being read in may be updated each week with new data and new dates, so ideally I wouldn't have to go back into the code and add new if statements to get the average for the new dates

In reply to Re^2: Calculating the average on a timeslice of data by perlbrother
in thread Calculating the average on a timeslice of data by perlbrother

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