Reference Data in Amersfoort 11 indicators covering reference data for Amersfoort. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 17.37 Degree days 2025 down 57.9% 1000th Cooling and heating degree days - Cities and FUAs — Change in cooling -17.98 Degree days 2025 down 403.6% 838th Cooling and heating degree days - Cities and FUAs 1,707 Degree days 2025 down 10.0% 559th Cooling and heating degree days - Cities and FUAs — Change in heating -432.9 Degree days 2025 down 78.4% 929th Precipitation - Cities and FUAs — Extreme precipitation days 2 Days per year 2024 — 1114th Precipitation - Cities and FUAs — Change in extreme precipitation 0.0932 Days per year 2024 up 104.9% 847th Dependency ratio - Cities and FUAs 25 Percentage of population aged 15-64 years 2025 up 23.8% 831st 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 38.26 Percentage of built-up area 2022 down 1.7% 32nd Internet speed - Cities and FUAs — Downloading speed 4.2 Percentage of national value 2025 down 41.7% 721st Internet speed - Cities and FUAs — Uploading speed 28.7 Percentage of national value 2025 down 67.2% 197th