U.S. States: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, Wyoming
other U.S.: District of Columbia
Canada: Manitoba, Ontario, Quebec
U.S. States Lost from April: Delaware, Idaho, Nevada, Tennessee
U.S. States Gained from April: Alabama, Louisiana, Oregon, Wyoming
U.S. States not seen yet at all: I still haven't seen Hawaii and Mississippi since I started doing this in October.