Reference Data in Jefferson (TX) 12 indicators covering reference data for Jefferson (TX). IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 886.53 Degree days 2025 up 1.4% 93rd Cooling and heating degree days - Cities and FUAs — Change in cooling 62.91 Degree days 2025 up 24.6% 277th Cooling and heating degree days - Cities and FUAs 329.96 Degree days 2025 down 14.1% 1124th Cooling and heating degree days - Cities and FUAs — Change in heating -61.44 Degree days 2025 down 722.5% 207th Precipitation - Cities and FUAs — Extreme precipitation days 23.27 Days per year 2024 up 35.4% 139th Precipitation - Cities and FUAs — Change in extreme precipitation 6.56 Days per year 2024 up 1,272.6% 109th Dependency ratio - Cities and FUAs 25.4 Percentage of population aged 15-64 years 2024 up 25.7% 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 Main mode of transport to work - Cities and FUAs — Employed persons 99,168 Persons 2023 up 1.6% 169th Internet speed - Cities and FUAs — Downloading speed 3.9 Percentage of national value 2025 down 27.8% 735th Internet speed - Cities and FUAs — Uploading speed -32.6 Percentage of national value 2025 down 198.2% 1192nd