Reference Data in Kofu 11 indicators covering reference data for Kofu. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 167.28 Degree days 2025 up 12.0% 545th Cooling and heating degree days - Cities and FUAs — Change in cooling 27.41 Degree days 2025 up 188.8% 343rd Cooling and heating degree days - Cities and FUAs 2,226 Degree days 2025 up 8.4% 290th Cooling and heating degree days - Cities and FUAs — Change in heating -167.74 Degree days 2025 up 50.8% 401st Precipitation - Cities and FUAs — Extreme precipitation days 35.5 Days per year 2024 up 74.0% 44th Precipitation - Cities and FUAs — Change in extreme precipitation 11.63 Days per year 2024 up 434.8% 26th Dependency ratio - Cities and FUAs 46.9 Percentage of population aged 15-64 years 2020 up 33.2% 67th Wind threats - Cities and FUAs — Exposure to wind threats 70.16 Percentage of area 2023 up 135.2% 105th 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 -16.4 Percentage of national value 2025 down 29.1% 1223rd Internet speed - Cities and FUAs — Uploading speed -0.8 Percentage of national value 2025 up 87.7% 741st