Delaware has a humid subtropical climate with moderate rainfall throughout the year. Major surface flows in Delaware include the Delaware River, the Brandywine Creek, and the Christina River. The Chesapeake Bay also borders the state. Major reservoirs include the Kent County Water Supply and the Betts Pond. The state is susceptible to coastal flooding and inland flooding due to heavy rainfall. Watershed data indicates that most of the state is within the Delaware River Basin, although small portions are within the Chesapeake Bay and the Atlantic Ocean Basins. Snowpack is typically low in Delaware due to the warm winter temperatures. Overall, the hydrology of Delaware is influenced by its coastal location, moderate rainfall, and dominant surface flows.