Amchitka Island - Constantine Harbor Rainfall Forecast

  • 5%
  • 30%
  • 85%
  • 40%
  • 20%
  • 25%
  • 30%
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Amchitka Island - Constantine Harbor Rainfall Statistics

September Rainfall

Adak Island, Adak Airport (237.4 miles)

  • Total Rainfall September

    4in

  • Daily Average September

    0.4in

  • Wettest Day 7 September, 2025

    1.4in

  • Wet Days September

    8/13 (62%)

Climate (2010–Present)

Adak Island, Adak Airport (237.4 miles)

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  • Annual Average 2020–2024

    44.2in

  • Monthly Average 2020–2025

    3.6in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 19 November, 2023

    2.3in
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