Reference Data in Purmerend 11 indicators covering reference data for Purmerend. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 6.84 Degree days 2025 down 63.0% 1116th Cooling and heating degree days - Cities and FUAs — Change in cooling -8.79 Degree days 2025 down 406.1% 673rd Cooling and heating degree days - Cities and FUAs 1,630 Degree days 2025 down 7.2% 608th Cooling and heating degree days - Cities and FUAs — Change in heating -372.16 Degree days 2025 down 51.9% 759th Precipitation - Cities and FUAs — Extreme precipitation days 2.4 Days per year 2024 up 500.8% 1068th Precipitation - Cities and FUAs — Change in extreme precipitation 0.8999 Days per year 2024 up 181.8% 674th Dependency ratio - Cities and FUAs 34.1 Percentage of population aged 15-64 years 2025 up 24.5% 362nd 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 14.6 Percentage of national value 2025 up 135.5% 338th Internet speed - Cities and FUAs — Uploading speed 4.2 Percentage of national value 2025 up 113.1% 629th