Hetch Hetchy Reservoir Rainfall Forecast

  • 30%
  • 10%
  • 10%
  • 5%
  • No Rain
  • 5%
  • 5%
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  • Rainfall Probability Forecast NOAA

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Hetch Hetchy Reservoir Rainfall Statistics

September Rainfall

MCMWTC BRIDGEPORT (30.4 miles)

  • Total Rainfall September

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  • Daily Average September

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  • Wettest Day 3 September, 2025

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  • Wet Days September

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Climate (2014–Present)

MCMWTC BRIDGEPORT (30.4 miles)

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  • Annual Average 2020–2024

    29in

  • Monthly Average 2020–2025

    2.4in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 10 March, 2023

    52.4in
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