The Storm Of July 5, 1989: Hydrologic Conditions
Newark, DE: Delaware Geological Survey, University of Delaware
Heavy precipitation associated with intense thunderstorm activity occurred in northern New Castle County, Delaware, from 0500 to 1300 hours on July 5, 1989. The most intense rainfall, which fell between 0600 and 1100 hours, is classified as a 100 year event in New Castle County. Record high stream discharges occurred at five gaged sites and three miscellaneous sites. One hundred-year floods were recorded at four sites.
New Castle County, Delaware , Record high stream discharge , July 5, 1989 , intense thunderstorm activity , heavy precipitation