Reference Data in Saint-Louis 12 indicators covering reference data for Saint-Louis. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 212.89 Degree days 2025 down 17.4% 479th Cooling and heating degree days - Cities and FUAs — Change in cooling -14.53 Degree days 2025 down 147.7% 780th Cooling and heating degree days - Cities and FUAs 33.77 Degree days 2025 up 33.7% 1232nd Cooling and heating degree days - Cities and FUAs — Change in heating -19.03 Degree days 2025 up 30.9% 136th Precipitation - Cities and FUAs — Extreme precipitation days 16.67 Days per year 2024 down 5.7% 251st Precipitation - Cities and FUAs — Change in extreme precipitation 3.55 Days per year 2024 down 22.0% 272nd Dependency ratio - Cities and FUAs 19.7 Percentage of population aged 15-64 years 2022 up 35.9% 1031st 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 Main mode of transport to work - Cities and FUAs — Employed persons 14,907 Persons 2022 up 9.9% 287th Internet speed - Cities and FUAs — Downloading speed 12.1 Percentage of national value 2025 up 132.6% 417th Internet speed - Cities and FUAs — Uploading speed 21.7 Percentage of national value 2025 up 181.6% 267th