Reference Data in Boston 16 indicators covering reference data for Boston. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 113.22 Degree days 2025 down 44.2% 621st Cooling and heating degree days - Cities and FUAs — Change in cooling -49.75 Degree days 2025 down 224.9% 1114th Cooling and heating degree days - Cities and FUAs 2,558 Degree days 2025 down 6.3% 156th Cooling and heating degree days - Cities and FUAs — Change in heating -115.35 Degree days 2025 down 301.1% 300th Cooling and heating degree days - Cities and FUAs — Change in heating 52.65 % change on previous year 2025 up 212.0% 219th Cooling and heating degree days - Cities and FUAs, annual growth rate 5.28 % change on previous year 2025 up 388.8% 280th Cooling and heating degree days - Cities and FUAs — Change in cooling -248.43 % change on previous year 2025 down 173.3% 1109th Cooling and heating degree days - Cities and FUAs — Cooling degree -42.38 % change on previous year 2025 down 209.8% 701st Precipitation - Cities and FUAs — Extreme precipitation days 14.09 Days per year 2024 up 8.7% 326th Precipitation - Cities and FUAs — Change in extreme precipitation 0.0888 Days per year 2024 up 108.5% 841st Dependency ratio - Cities and FUAs 25.5 Percentage of population aged 15-64 years 2024 up 25.6% 800th Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area 2023 unchanged 1st Coastal flooding - Cities and FUAs — Built-up area exposure to 0.0194 Percentage of built-up area 2022 up 14.0% 234th Main mode of transport to work - Cities and FUAs — Employed persons 1.70 million Persons 2023 down 4.8% 11th Internet speed - Cities and FUAs — Downloading speed -4.4 Percentage of national value 2025 down 119.1% 1014th Internet speed - Cities and FUAs — Uploading speed -20.1 Percentage of national value 2025 down 252.3% 1046th