This tool is an interactive map of the Chesapeake Bay watershed that provides gridded estimates of percent changes in projected future (2011-2099) freeze-thaw days, compared to a modeled historic baseline (1981-2010).
Annual Total Snowfall Across the Mid-Atlantic
This tool is excerpted from Chesapeake Bay Watershed Climate Impacts Summary and Outlook for Winter 2020-2021.
- Annual snowfall in Maryland and Delaware has increased between 1981–2019 and decreased in Washington, D.C. over this period.
- Portions of southern New York and northern and western Pennsylvania have experienced increases in annual snowfall.
- Across the Mid-Atlantic region, between 1981–2019, the years 1996 and 2010 saw the highest average annual snowfall for the region, with 1996 seeing an average of 64 inches of total snowfall.