Reference Data in Split 10 indicators covering reference data for Split. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 161.79 Degree days 2025 down 30.3% 553rd Cooling and heating degree days - Cities and FUAs — Change in cooling 44.27 Degree days 2025 down 61.4% 312th Cooling and heating degree days - Cities and FUAs 1,165 Degree days 2025 down 18.2% 832nd Cooling and heating degree days - Cities and FUAs — Change in heating -436.44 Degree days 2025 down 146.3% 937th Precipitation - Cities and FUAs — Extreme precipitation days 20 Days per year 2024 down 20.0% 186th Precipitation - Cities and FUAs — Change in extreme precipitation 1.46 Days per year 2024 down 77.4% 576th 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 0.5657 Percentage of built-up area 2022 up 0.3% 127th Internet speed - Cities and FUAs — Downloading speed 21 Percentage of national value 2025 up 5.5% 169th Internet speed - Cities and FUAs — Uploading speed 4.5 Percentage of national value 2025 up 4.7% 626th