The energy index, which includes motor fuel and household fuels, fell 7.6 percent over the month. Food prices were unchanged and the index for all items less food and energy inched down 0.1 percent in November.
The CPI-U for the West region rose 1.9 percent from November 2011 to November 2012. Energy prices advanced 1.4 percent and food costs were up 1.6 percent. Excluding food and energy, the index increased 2.1 percent over the year.
Among the regions, prices in the Northeast decreased 0.2 percent in November, and the indexes for the Midwest and the South declined 0.4 percent and 0.5 percent, respectively. Over the year, prices increased 1.8 percent in the Northeast and Midwest, and prices in the South rose 1.6 percent.