Freddie Mac just released the results from the Primary Mortgage Market Survey for the week ending November 19, 2009.  The 15-year Fixed Rate Mortgage this week averaged 4.32, down from 4.36 last week and 5.73 a year ago. 

"Interest rate on 30-year fixed-rate mortgage loans fell for the third consecutive week to the lowest since the week ending May 21st, while 15-year fixed rates were the lowest since our records began in 1991," said Frank Nothaft, Freddie Mac vice president and chief economist.

The 30-year fixed-rate mortgage averaged 4.83 percent, down from 4.91 last week and 6.04 a year ago.