Reference Data in Haarlemmermeer 15 indicators covering reference data for Haarlemmermeer. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 5.97 Degree days 2025 down 72.2% 1125th Cooling and heating degree days - Cities and FUAs — Change in cooling -11.9 Degree days 2025 down 432.5% 730th Cooling and heating degree days - Cities and FUAs 1,411 Degree days 2025 down 19.4% 724th Cooling and heating degree days - Cities and FUAs — Change in heating -586.95 Degree days 2025 down 137.0% 1145th Cooling and heating degree days - Cities and FUAs — Change in heating -62.68 % change on previous year 2025 down 234.0% 840th Cooling and heating degree days - Cities and FUAs, annual growth rate -13.82 % change on previous year 2025 down 197.3% 891st Cooling and heating degree days - Cities and FUAs — Change in cooling -304.3 % change on previous year 2025 down 213.7% 1183rd Cooling and heating degree days - Cities and FUAs — Cooling degree -74.81 % change on previous year 2025 down 641.1% 1015th Precipitation - Cities and FUAs — Extreme precipitation days 2.75 Days per year 2024 up 214.2% 1016th Precipitation - Cities and FUAs — Change in extreme precipitation 0.7338 Days per year 2024 up 164.3% 710th Dependency ratio - Cities and FUAs 27.4 Percentage of population aged 15-64 years 2025 up 19.7% 716th Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area 2023 unchanged 1st Coastal flooding - Cities and FUAs — Built-up area exposure to 100 Percentage of built-up area 2022 unchanged 1st Internet speed - Cities and FUAs — Downloading speed 8 Percentage of national value 2025 down 30.4% 552nd Internet speed - Cities and FUAs — Uploading speed 8.3 Percentage of national value 2025 down 81.3% 533rd