Reference Data in Mülheim a.d.Ruhr 11 indicators covering reference data for Mülheim a.d.Ruhr. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 47.74 Degree days 2025 down 27.9% 782nd Cooling and heating degree days - Cities and FUAs — Change in cooling 0.0888 Degree days 2025 down 99.5% 468th Cooling and heating degree days - Cities and FUAs 2,163 Degree days 2025 up 13.5% 316th Cooling and heating degree days - Cities and FUAs — Change in heating -11.97 Degree days 2025 up 95.5% 127th Precipitation - Cities and FUAs — Extreme precipitation days 4.25 Days per year 2024 down 15.0% 821st Precipitation - Cities and FUAs — Change in extreme precipitation 1.78 Days per year 2024 down 29.6% 513th Dependency ratio - Cities and FUAs 38.7 Percentage of population aged 15-64 years 2025 up 2.7% 216th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 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 10.9 Percentage of national value 2025 down 44.7% 449th Internet speed - Cities and FUAs — Uploading speed -31.7 Percentage of national value 2025 down 46.8% 1181st