Reference Data in Hamamatsu 10 indicators covering reference data for Hamamatsu. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 425.86 Degree days 2025 up 38.0% 264th Cooling and heating degree days - Cities and FUAs — Change in cooling 112.13 Degree days 2025 up 2,274.0% 166th Cooling and heating degree days - Cities and FUAs 1,021 Degree days 2025 down 10.3% 881st Cooling and heating degree days - Cities and FUAs — Change in heating -298.95 Degree days 2025 down 64.5% 616th Precipitation - Cities and FUAs — Extreme precipitation days 45.62 Days per year 2024 up 50.8% 26th Precipitation - Cities and FUAs — Change in extreme precipitation 14.18 Days per year 2024 up 1,286.2% 14th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 0.2206 Percentage of built-up area 2022 down 1.8% 154th Internet speed - Cities and FUAs — Downloading speed -2.2 Percentage of national value 2025 up 74.7% 962nd Internet speed - Cities and FUAs — Uploading speed -0.5 Percentage of national value 2025 down 104.1% 736th