Reference Data in Chełm 11 indicators covering reference data for Chełm. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 15.86 Degree days 2025 down 87.3% 1017th Cooling and heating degree days - Cities and FUAs — Change in cooling -35.31 Degree days 2025 down 147.7% 1042nd Cooling and heating degree days - Cities and FUAs 2,989 Degree days 2025 up 20.2% 66th Cooling and heating degree days - Cities and FUAs — Change in heating 54.89 Degree days 2025 up 112.3% 49th Precipitation - Cities and FUAs — Extreme precipitation days 1.75 Days per year 2024 down 50.0% 1158th Precipitation - Cities and FUAs — Change in extreme precipitation -0.8164 Days per year 2024 down 187.5% 1048th Dependency ratio - Cities and FUAs 41 Percentage of population aged 15-64 years 2024 up 91.6% 154th 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 -11.3 Percentage of national value 2025 up 41.1% 1153rd Internet speed - Cities and FUAs — Uploading speed -1.4 Percentage of national value 2025 down 110.1% 753rd