Reference Data in Changwon 11 indicators covering reference data for Changwon. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 414.68 Degree days 2025 up 62.6% 275th Cooling and heating degree days - Cities and FUAs — Change in cooling 146.14 Degree days 2025 up 1,175.9% 111th Cooling and heating degree days - Cities and FUAs 1,662 Degree days 2025 up 2.0% 590th Cooling and heating degree days - Cities and FUAs — Change in heating -171.74 Degree days 2025 up 16.3% 411th Precipitation - Cities and FUAs — Extreme precipitation days 23.72 Days per year 2024 up 34.4% 135th Precipitation - Cities and FUAs — Change in extreme precipitation 4.64 Days per year 2024 up 425.2% 188th Dependency ratio - Cities and FUAs 25.4 Percentage of population aged 15-64 years 2023 up 111.7% 812th 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 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed 0.3 Percentage of national value 2025 up 101.6% 877th Internet speed - Cities and FUAs — Uploading speed -3.5 Percentage of national value 2025 up 12.5% 792nd