Reference Data in Haarlemmermeer 11 indicators covering reference data for Haarlemmermeer. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 5.97 Degree days 2025 down 72.2% 1133rd Cooling and heating degree days - Cities and FUAs β Change in cooling -11.9 Degree days 2025 down 432.5% 734th Cooling and heating degree days - Cities and FUAs 1,411 Degree days 2025 down 19.4% 725th Cooling and heating degree days - Cities and FUAs β Change in heating -586.95 Degree days 2025 down 137.0% 1154th Precipitation - Cities and FUAs β Extreme precipitation days 2.75 Days per year 2024 up 214.2% 1025th Precipitation - Cities and FUAs β Change in extreme precipitation 0.7338 Days per year 2024 up 164.3% 717th Dependency ratio - Cities and FUAs 27.4 Percentage of population aged 15-64 years 2025 up 19.7% 720th Wind threats - Cities and FUAs β Exposure to wind threats 100 Percentage of area 2023 unchanged 1st Coastal flooding - Cities and FUAs β Built-up area exposure to 100 Percentage of built-up area 2022 unchanged 1st Internet speed - Cities and FUAs β Downloading speed 8 Percentage of national value 2025 down 30.4% 556th Internet speed - Cities and FUAs β Uploading speed 8.3 Percentage of national value 2025 down 81.3% 538th