Regions

North Western 

Alaska, Idaho, Montana, Oregon, Washington, Wyoming.

South Western

Arizona, California, Colorado, Hawaii, Nevada, New Mexico, Utah.

North Central

Illinois, Indiana, Iowa, Michigan, Minnesota, Nebraska, North Dakota, South Dakota, Ohio, Wisconsin.

South Central

Arkansas, Kansas, Louisiana, Mississippi, Missouri, Oklahoma, Texas.

North Eastern

Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont.

South Eastern

Alabama, Florida, Georgia, Kentucky, North Carolina, South Carolina, Tennessee, Virginia, West Virginia.