Reference Data in Christchurch 11 indicators covering reference data for Christchurch. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 0.0293 Degree days 2025 down 99.9% 1260th Cooling and heating degree days - Cities and FUAs — Change in cooling -34.42 Degree days 2025 down 371.7% 1033rd Cooling and heating degree days - Cities and FUAs 1,238 Degree days 2025 down 24.1% 804th Cooling and heating degree days - Cities and FUAs — Change in heating -440.24 Degree days 2025 down 820.9% 952nd Precipitation - Cities and FUAs — Extreme precipitation days 1.2 Days per year 2024 down 74.5% 1202nd Precipitation - Cities and FUAs — Change in extreme precipitation -2.56 Days per year 2024 down 373.7% 1249th Dependency ratio - Cities and FUAs 23.7 Percentage of population aged 15-64 years 2024 up 8.7% 896th 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 0.0066 Percentage of built-up area 2022 up 49.9% 260th Internet speed - Cities and FUAs — Downloading speed 10.4 Percentage of national value 2025 down 56.7% 467th Internet speed - Cities and FUAs — Uploading speed 14.2 Percentage of national value 2025 down 2.1% 399th