Reference Data in Słupsk 11 indicators covering reference data for Słupsk. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 2.84 Degree days 2025 down 91.8% 1175th Cooling and heating degree days - Cities and FUAs — Change in cooling -18.12 Degree days 2025 down 233.4% 840th Cooling and heating degree days - Cities and FUAs 1,843 Degree days 2025 down 22.4% 472nd Cooling and heating degree days - Cities and FUAs — Change in heating -903.84 Degree days 2025 down 143.5% 1294th Precipitation - Cities and FUAs — Extreme precipitation days 3.2 Days per year 2024 up 77.8% 946th Precipitation - Cities and FUAs — Change in extreme precipitation 1.2 Days per year 2024 up 699.7% 623rd Dependency ratio - Cities and FUAs 40.8 Percentage of population aged 15-64 years 2024 up 67.2% 160th 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 28.1 Percentage of national value 2025 up 92.5% 94th Internet speed - Cities and FUAs — Uploading speed 6.8 Percentage of national value 2025 down 34.6% 574th