AVERAGEIFS should work. You may want to format your dates differently.
Instead of "=12/31/2009", try "="&DATE(2009,12,31).
--
Regards,

PJ
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"FunChickyPoo" wrote:

I have been using the following SUMIFS funtion that works perfectly, but need
to average a column of %. Is ther esucha thing as AVERAGEIFS that will work
with multiple criteria?

=SUMIFS(AF$4:AF$169,$G$4:$G$169,$G174,$F$4:$F$169, $F174,$J$4:$J$169,"=12/31/10",$J$4:$J$169,"=01/01/10")