What has the WSJ's Prime Rate been for each month over the last 10
years (October 1992 to October 2002)?

Great question.  The rate does not change frequently…here are the
dates on which it has changed.  Between changes, the rate remains the
same.

Date of change   WSJ Prime rate
23-Dec-91	6.50
02-Jul-92	6.00%
24-Mar-94	6.25%
19-Apr-94	6.75
18-May-94	7.25
16-Aug-94	7.75
15-Nov-94	8.50
1-Feb-95	9.00%
7-Jul-95	8.75%
20-Dec-95	8.50%
31-Jan-96	8.25%
27-Mar-97	8.50%
30-Sep-98	8.25%
16-Oct-98	8.00% 
18-Nov-98 	7.75% 
01-Jul-99 	8.00% 
25-Aug-99	8.25% 
17-Nov-99	8.50% 
03-Feb-00	8.75% 
22-Mar-00 	9.00% 
17-May-00 	9.50% 
04-Jan-01 	9.00% 
01-Feb-01 	8.50% 
21-Mar-01	8.00%
19-Apr-01	7.50%
16-May-01 	7.00%
28-Jun-01 	6.75%
22-Aug-01 	6.50%
18-Sep-01	6.00%
03-Oct-01 	5.50%
07-Nov-01	5.00%
12-Dec-01	4.75%

Source:  HSH
http://www.hsh.com/indices/prime90s.html
http://www.hsh.com/indices/prime00s.html
(HSH seems to be a reputable source for this, recommended in both the
listserv discussion and by the Univ. of Pennsylvania Law School
library at: http://www.law.upenn.edu/bll/lawecon/lawecon.htm )

Current rate verification:
10/30/02	4.75%
http://www.bankrate.com/brm/ratehm.asp

For more information:

Listserv discussion
http://lawlibrary.ucdavis.edu/LAWLIB/Dec99/0175.html

Biddle Library
http://www.law.upenn.edu/bll/lawecon/lawecon.htm

Relevant terms:
wsj
wall street journal 
prime rate
historical

Best wishes!

great answer delivered quickly - Thanks!