Reference Data in Ostrów Wielkopolski 11 indicators covering reference data for Ostrów Wielkopolski. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 21.47 Degree days 2025 down 87.2% 962nd Cooling and heating degree days - Cities and FUAs — Change in cooling -41.27 Degree days 2025 down 139.1% 1075th Cooling and heating degree days - Cities and FUAs 2,261 Degree days 2025 up 2.0% 273rd Cooling and heating degree days - Cities and FUAs — Change in heating -417.09 Degree days 2025 up 9.6% 883rd Precipitation - Cities and FUAs — Extreme precipitation days 1.33 Days per year 2024 down 33.3% 1191st Precipitation - Cities and FUAs — Change in extreme precipitation -0.6108 Days per year 2024 down 1,201.4% 993rd Dependency ratio - Cities and FUAs 37.9 Percentage of population aged 15-64 years 2024 up 58.6% 233rd 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 -14.2 Percentage of national value 2025 up 40.3% 1207th Internet speed - Cities and FUAs — Uploading speed -44.1 Percentage of national value 2025 up 2.9% 1265th