Reference Data in Caen 12 indicators covering reference data for Caen. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 17.3 Degree days 2025 down 62.5% 1001st Cooling and heating degree days - Cities and FUAs — Change in cooling -20.91 Degree days 2025 down 365.1% 883rd Cooling and heating degree days - Cities and FUAs 1,443 Degree days 2025 down 6.1% 712th Cooling and heating degree days - Cities and FUAs — Change in heating -346.57 Degree days 2025 down 37.1% 704th Precipitation - Cities and FUAs — Extreme precipitation days 3 Days per year 2024 down 25.0% 968th Precipitation - Cities and FUAs — Change in extreme precipitation 1.23 Days per year 2024 down 44.8% 618th Dependency ratio - Cities and FUAs 28.4 Percentage of population aged 15-64 years 2022 up 21.4% 667th Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area 2023 unchanged 1st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Main mode of transport to work - Cities and FUAs — Employed persons 61,287 Persons 2022 up 9.5% 223rd Internet speed - Cities and FUAs — Downloading speed 8.2 Percentage of national value 2025 down 86.3% 544th Internet speed - Cities and FUAs — Uploading speed 15.3 Percentage of national value 2025 down 75.5% 386th