United States
Northwest
Idaho, Oregon, and Washington
Southwest
Arizona, California, Nevada, and Utah
North
Central
Colorado, Illinois, Iowa, Kansas, Indiana, Michigan, Minnesota,
Missouri, Montana, Nebraska, North Dakota, South Dakota, Wisconsin,
and Wyoming
South
Central
Arkansas, Louisiana, Mississippi, New Mexico, Oklahoma, Kentucky,
Tennessee, and Texas
Northeast
Connecticut, Delaware, Maine, Massachusetts, New Hampshire,
New Jersey, New York, Ohio, Pennsylvania, Rhode Island, West Virginia,
and Vermont
Southeast
Alabama, Florida, Georgia, North Carolina, and South Carolina,
Virginia, and Maryland