Reference Data in Piedras Negras 11 indicators covering reference data for Piedras Negras. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 1,698 Degree days 2025 up 23.3% 15th Cooling and heating degree days - Cities and FUAs — Change in cooling 341.1 Degree days 2025 up 1,590.1% 7th Cooling and heating degree days - Cities and FUAs 259.05 Degree days 2025 down 33.3% 1147th Cooling and heating degree days - Cities and FUAs — Change in heating -80.97 Degree days 2025 down 266.6% 244th Precipitation - Cities and FUAs — Extreme precipitation days 3 Days per year 2024 down 39.0% 989th Precipitation - Cities and FUAs — Change in extreme precipitation -3.38 Days per year 2024 down 131.2% 1277th Dependency ratio - Cities and FUAs 8.6 Percentage of population aged 15-64 years 2020 up 11.7% 1233rd 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 12.7 Percentage of national value 2025 up 228.3% 402nd Internet speed - Cities and FUAs — Uploading speed 26.7 Percentage of national value 2025 up 280.4% 221st