Reference Data in Ottawa 18 indicators covering reference data for Ottawa. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree -30.85 % change on previous year 2025 down 161.2% 538th Cooling and heating degree days - Cities and FUAs — Change in cooling -206.03 % change on previous year 2025 down 265.2% 1016th Cooling and heating degree days - Cities and FUAs, annual growth rate 15.8 % change on previous year 2025 up 723.5% 114th Cooling and heating degree days - Cities and FUAs — Change in heating 89.51 % change on previous year 2025 up 230.5% 99th Cooling and heating degree days - Cities and FUAs — Cooling degree 86.58 Degree days 2025 down 24.1% 667th Cooling and heating degree days - Cities and FUAs — Change in cooling -19.88 Degree days 2025 down 362.0% 862nd Cooling and heating degree days - Cities and FUAs 3,599 Degree days 2025 down 2.7% 25th Cooling and heating degree days - Cities and FUAs — Change in heating -57.54 Degree days 2025 down 230.6% 197th Precipitation - Cities and FUAs — Extreme precipitation days 9.18 Days per year 2024 down 16.0% 497th Precipitation - Cities and FUAs — Change in extreme precipitation 0.8386 Days per year 2024 down 67.6% 681st Dependency ratio - Cities and FUAs 25.3 Percentage of population aged 15-64 years 2021 up 42.9% 812th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Uploading speed 21.9 Percentage of national value 2025 up 5.3% 262nd Internet speed - Cities and FUAs — Downloading speed 19.9 Percentage of national value 2025 up 1,630.8% 184th Correction coefficients outside the European Union (Duty stations) 87.6 Index 2025 down 15.1% 66th Purchasing Power Parities outside the European Union (Duty stations) 1.4 Purchasing power standard (PPS) 2025 down 1.5% 129th Correction coefficients outside the European Union (Duty stations) 87.6 Index 2025 down 15.1% 69th