Reference Data in Dacorum 11 indicators covering reference data for Dacorum. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 10.27 Degree days 2025 up 9.5% 1081st Cooling and heating degree days - Cities and FUAs — Change in cooling -4.54 Degree days 2025 up 16.5% 582nd Cooling and heating degree days - Cities and FUAs 1,568 Degree days 2025 down 17.8% 651st Cooling and heating degree days - Cities and FUAs — Change in heating -571.03 Degree days 2025 down 146.4% 1140th Precipitation - Cities and FUAs — Extreme precipitation days 3.91 Days per year 2024 up 514.6% 874th Precipitation - Cities and FUAs — Change in extreme precipitation 2.46 Days per year 2024 up 403.0% 398th Dependency ratio - Cities and FUAs 28 Percentage of population aged 15-64 years 2024 up 8.5% 684th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed -1.5 Percentage of national value 2025 down 111.2% 938th Internet speed - Cities and FUAs — Uploading speed -14.6 Percentage of national value 2025 down 22.7% 974th