Reference Data in Basel 11 indicators covering reference data for Basel. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 57.42 Degree days 2025 down 55.3% 748th Cooling and heating degree days - Cities and FUAs β Change in cooling -1.28 Degree days 2025 down 101.8% 497th Cooling and heating degree days - Cities and FUAs 2,091 Degree days 2025 down 6.6% 339th Cooling and heating degree days - Cities and FUAs β Change in heating -401.44 Degree days 2025 down 58.6% 841st Precipitation - Cities and FUAs β Extreme precipitation days 7 Days per year 2024 up 53.2% 585th Precipitation - Cities and FUAs β Change in extreme precipitation -0.2746 Days per year 2024 up 89.9% 926th Dependency ratio - Cities and FUAs 33.5 Percentage of population aged 15-64 years 2023 up 2.1% 399th Wind threats - Cities and FUAs β Exposure to wind threats 0 Percentage of area 2023 β 273rd Coastal flooding - Cities and FUAs β Built-up area exposure to 0 Percentage of built-up area 2022 β 277th Internet speed - Cities and FUAs β Downloading speed 1.6 Percentage of national value 2025 down 82.2% 826th Internet speed - Cities and FUAs β Uploading speed 15.3 Percentage of national value 2025 down 23.5% 386th