Home prices in Greater Des Moines fell 1.6 percent between July and August and declined 3 percent in August compared with a year earlier, according to a report Thursday from real estate research firm CoreLogic Inc. Nationwide, prices dropped 4.4 percent on a year-to-year basis. Those figures include distressed sales, such as properties that are in foreclosure. States with the highest gain in prices were West Virginia, 8.6 percent, Wyoming, 3.6 percent, North Dakota, 3.5 percent, New York, 3.2 percent, and Alaska, 2.2 percent. States with the steepest declines were Nevada, -12.4 percent, Arizona, -10.7 percent, Illinois, -9.6 percent, Minnesota, -7.8 percent, and Georgia, -7.2 percent.