In 2003-2004, past month alcohol use rates for persons aged 12 to 20 were among the lowest in Utah (18.6 percent) and Tennessee (22.3 percent) and among the highest in North Dakota (42.7 percent) and South Dakota (39.1 percent). Between 2002-2003 and 2003-2004, past month alcohol use increased in California (from 24.7 to 26.3 percent) and Wisconsin (from 34.7 to 38.3 percent), while binge alcohol use increased in Iowa (from 24.7 to 27.7 percent) and Oklahoma (from 19.1 to 21.5 percent). Past month alcohol use decreased between 2002-2003 and 2003-2004 in South Carolina (from 27.2 to 24.1 percent) and Michigan (from 31.8 to 30.2 percent), while binge alcohol use decreased in South Carolina and North Carolina (both from 18.0 to 15.9 percent) and in Tennessee (from 15.9 to 13.1 percent)