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