From the Case-Shiller PDF release today.
Steep Declines in Home Prices Continued in April 2008 According to the S&P/Case-Shiller Home Price Indices
New York, June 24, 2008 – Data through April 2008, released today by Standard & Poor’s for its S&P/Case-Shiller Home Price Indices, the leading measure of U.S. home prices, show annual declines in the prices of existing single family homes across the United States continued to worsen in April 2008, with all 20 MSAs now posting annual declines, 13 of which are posting record low annual declines, and 10 of which are in double-digits.
See also: Housing Prices (my blog entry tracking the monthly Case-Shiller releases)
Related articles
S&P/Case-Shiller Home Prices Fell 15.3% in April, Bloomberg News, 24 Jun 2008
Update: related posts
Naysayers: the housing bubble was obvious
Case-Shiller Time Machine