Timeline

December: North East Maine, New Hampshire, Vermont, New York, Pennsylvania, Maryland, Delaware, New Jersey, Massachusettes, Rhode Island, and Connecticut

January: South East West Virginia, Virginia, North Carolina, South Carolina, Kentucky, Tennessee, Florida, Georgia, Mississippi, Alabama, Louisiana, and Arkansas

February: Middle West Ohio, Michigan, Indiana, Illinois, Wisconsin, Minnesota, Iowa, Missouri, Kansas, Nebraska, South Dakota, and North Dakota

March: South West Oklahoma, Texas, New Mexico, and Arizona

April: West Montana, Colorado, Wyoming, Utah, Idaho, Nevada, California, Washington, Oregon, Alaska, and Hawaii