Reference Data in Delaware 12 indicators covering reference data for Delaware. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 194.08 Degree days 2025 down 3.0% 506th Cooling and heating degree days - Cities and FUAs β Change in cooling -43.17 Degree days 2025 down 16.1% 1085th Cooling and heating degree days - Cities and FUAs 2,354 Degree days 2025 down 1.9% 222nd Cooling and heating degree days - Cities and FUAs β Change in heating -124.7 Degree days 2025 down 57.5% 319th Precipitation - Cities and FUAs β Extreme precipitation days 9.9 Days per year 2024 down 21.4% 478th Precipitation - Cities and FUAs β Change in extreme precipitation -0.554 Days per year 2024 down 125.8% 985th Dependency ratio - Cities and FUAs 26.9 Percentage of population aged 15-64 years 2024 up 15.5% 747th Wind threats - Cities and FUAs β Exposure to wind threats 0 Percentage of area 2023 β 273rd Coastal flooding - Cities and FUAs β Built-up area exposure to 0 Percentage of built-up area 2022 β 277th Main mode of transport to work - Cities and FUAs β Employed persons 48,204 Persons 2023 up 1.3% 241st Internet speed - Cities and FUAs β Downloading speed 0.2 Percentage of national value 2025 up 103.6% 883rd Internet speed - Cities and FUAs β Uploading speed -43.3 Percentage of national value 2025 up 2.5% 1262nd