Reference Data in Deventer 11 indicators covering reference data for Deventer. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 19.56 Degree days 2025 down 58.3% 985th Cooling and heating degree days - Cities and FUAs — Change in cooling -19.13 Degree days 2025 down 331.7% 854th Cooling and heating degree days - Cities and FUAs 1,764 Degree days 2025 down 9.6% 519th Cooling and heating degree days - Cities and FUAs — Change in heating -438.14 Degree days 2025 down 74.4% 942nd Precipitation - Cities and FUAs — Extreme precipitation days 2 Days per year 2024 — 1114th Precipitation - Cities and FUAs — Change in extreme precipitation 0.4333 Days per year 2024 up 127.7% 771st Dependency ratio - Cities and FUAs 29.8 Percentage of population aged 15-64 years 2025 up 18.7% 584th 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 Internet speed - Cities and FUAs — Downloading speed 10 Percentage of national value 2025 up 376.2% 485th Internet speed - Cities and FUAs — Uploading speed 33.7 Percentage of national value 2025 down 49.6% 164th