Reference Data in Sumter 12 indicators covering reference data for Sumter. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 876.96 Degree days 2025 down 22.9% 95th Cooling and heating degree days - Cities and FUAs — Change in cooling -9.07 Degree days 2025 down 103.6% 682nd Cooling and heating degree days - Cities and FUAs 150.64 Degree days 2025 up 14.7% 1186th Cooling and heating degree days - Cities and FUAs — Change in heating -72.01 Degree days 2025 up 21.2% 227th Precipitation - Cities and FUAs — Extreme precipitation days 13.73 Days per year 2024 up 105.6% 345th Precipitation - Cities and FUAs — Change in extreme precipitation 5.18 Days per year 2024 up 376.4% 162nd Dependency ratio - Cities and FUAs 156.3 Percentage of population aged 15-64 years 2024 up 22.8% 1st 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 Main mode of transport to work - Cities and FUAs — Employed persons 25,880 Persons 2023 up 40.1% 274th Internet speed - Cities and FUAs — Downloading speed 11.4 Percentage of national value 2025 up 183.8% 437th Internet speed - Cities and FUAs — Uploading speed -21.9 Percentage of national value 2025 up 63.5% 1079th