Sounds like a job for a pivot table
http://www.cpearson.com/excel/pivots.htm
http://edferrero.m6.net/Pivot.html
http://it.fuqua.duke.edu/public/2001...troduction.pdf
http://peltiertech.com/Excel/Pivots/pivotstart.htm
http://www.contextures.com/xlPivot01.html
--
HTH
Bob
(there's no email, no snail mail, but somewhere should be gmail in my addy)
"Jock" <(E-Mail Removed)> wrote in message
news:E21C8592-7BE4-42C0-AC95-(E-Mail Removed)...
> Hi,
> Within a post logging spreadsheet, the date of logging is automatically
> entered against each entry on the day the data is input and formatted
> thus:
> '21-Jun' . I wish to find out the daily min, daily max and daily average
> of
> the entries over the year and, if poss to adapt the formula to reflect the
> weekly min, max and ave over the same period.
> Any help appreciated.
>
> tia
>
> Jock