Try this array formula** :

=AVERAGE(IF((A2:A20=H2)*(MONTH(B2:B20)=9),C2:E20))

Whe

A2:A20 are names
H2 is the name of interest
B2:B20 are dates
9 is the month number of interest (9 = September)
C2:E20 are the values to average

** array formulas need to be entered using the key combination of
CTRL,SHIFT,ENTER (not just ENTER)

--
Biff
Microsoft Excel MVP


"Jodi Macy" <Jodi wrote in message
...
I have the raw data below where I would like to 'average' for September,
the
combined total in the last three columns for any particular agent.
Is vLookup the correct funtion for this?

Agent Submit Time Attitude Aptitude Experience
Zoumadakis, Steven 07/29/08 09:12 AM 5 5 5
Zoumadakis, Steven 08/05/08 05:07 PM 5 5 3
Zoumadakis, Steven 08/07/08 09:06 AM 5 5 5
Zoumadakis, Steven 08/07/08 03:24 PM 5 4 5
Zoumadakis, Steven 08/11/08 08:08 AM 4 4 4
Zoumadakis, Steven 08/11/08 03:13 PM 5 5 5
Zoumadakis, Steven 08/12/08 02:28 PM 5 5 5
Zoumadakis, Steven 08/13/08 03:20 PM 5 5 5
Zoumadakis, Steven 08/14/08 03:13 PM 5 5 5
Zoumadakis, Steven 08/15/08 01:13 PM 5 5 5
Zoumadakis, Steven 08/19/08 07:41 AM 4 3 4
Zoumadakis, Steven 08/21/08 01:50 PM 5 5 5
Vasquez, Richard 08/11/08 09:23 AM 5 5 5
Vasquez, Richard 08/13/08 01:21 PM 4 3 4
Vasquez, Richard 08/20/08 06:56 AM 2 1 2
Vasquez, Richard 08/21/08 08:16 AM 4 3 4
Vasquez, Richard 08/25/08 09:29 AM 4 3 3
Vasquez, Richard 09/10/08 01:05 PM 5 4 5
Vasquez, Richard 09/15/08 09:04 AM 4 4 4