You have a response in public.excel

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HTH

RP
(remove nothere from the email address if mailing direct)


"ChrisM" wrote in message
...
Hi All,

I have a spreadsheet that contains 4 columns. Column A = start date,
Column
B = Start Time, Column C = Stop Date, Column D = Stop Time.

I have another spreadsheet which contains meteorological data for a given
time period. The data in this spreadsheet lists the Date in column A1
through A(n) (eg.
Jan 1, 2005 to March 1, 2005). Columns C through AB list the time (0:00 to
23:00) corresponding to the date from column A. So the data looks like a
large matrix with dates listed in the rows of column A and 24 hour times
listed in columns C to AB.

Basically, I am looking for a function in Excel or a program in VBA to
read
the start date and time and the stop date and time from the first
spreadsheet and then average the meteorological values that correspond to
that day/time interval on the second spreadsheet. Is this possible or
not???

Any help would be greatly appreciated as I am very lost.

Thanks

Chris