Thanks mostly to much higher sales in California, the December average of Home Sales in 56 markets across the country rose 9.73% from November and 11.36% above December 2007 sales. Year-over-year sales increases in California were up 75.55% in the Los Angeles metro area and up 44.42% in San Diego. Other sharp increases were recorded in Las Vegas, up 82.3%, Phoenix, up 69.24%, and Miami, up 68.78%.