Reference Data in Dallas 12 indicators covering reference data for Dallas. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 909.03 Degree days 2025 down 3.9% 90th Cooling and heating degree days - Cities and FUAs — Change in cooling 25.55 Degree days 2025 down 59.4% 348th Cooling and heating degree days - Cities and FUAs 703.2 Degree days 2025 down 16.3% 997th Cooling and heating degree days - Cities and FUAs — Change in heating -120.59 Degree days 2025 down 828.5% 312th Precipitation - Cities and FUAs — Extreme precipitation days 16.66 Days per year 2024 up 139.8% 252nd Precipitation - Cities and FUAs — Change in extreme precipitation 1.97 Days per year 2024 up 125.4% 477th Dependency ratio - Cities and FUAs 18.4 Percentage of population aged 15-64 years 2024 up 27.8% 1051st 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 2.88 million Persons 2023 up 9.7% 5th Internet speed - Cities and FUAs — Downloading speed 10.4 Percentage of national value 2025 down 51.2% 467th Internet speed - Cities and FUAs — Uploading speed 70.2 Percentage of national value 2025 down 11.3% 21st