I believe he was interested in both the year and month as am I. I currently have the same issue. I have the same data structure using a hash of hash. I would like to report for each year, the month and value of the min and max value. How can your existing example be modified to accommodate this?

In reply to Re^4: min and max in a hash of hash by Anonymous Monk
in thread min and max in a hash of hash by nagalenoj

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