Average mortgage interest rates generally follow the treasury bond rate and are generally 1.5 to 1.7% higher than the treasury bond rate.
However, for a good sense of what the mortgage interest rates have been from 1993 to present, you'll find it month by month at this location:
National Monthly Average Mortgage Rates * 2013
And for the federal discount rates, those for the last decade or so are shown here:
Historical Changes of the Target Federal Funds and Discount Rates - Federal Reserve Bank of New York
However, for a good sense of what the mortgage interest rates have been from 1993 to present, you'll find it month by month at this location:
National Monthly Average Mortgage Rates * 2013
And for the federal discount rates, those for the last decade or so are shown here:
Historical Changes of the Target Federal Funds and Discount Rates - Federal Reserve Bank of New York