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Aquafornia news May 13, 2021 San Francisco Chronicle

California’s unusually dry winter could be the new normal, according to decades of data

As Californians can tell by the already beige hills, the early fire weather warnings and the dusty umbrellas sitting deep inside closets, it’s been drier than usual this winter. And according to decades worth of precipitation data, that’s the new normal. What’s considered “normal” for baseline rainfall amounts is determined by a 30-year average that gets recalculated every decade. The latest recalculation, according to Jan Null, a forecaster who runs Golden Gate Weather Services, “show a noticeably drier state” through 2020 compared to the previous “normal” calculation covering 1981 through 2010. 

Related article:

  • The New York Times: There’s a New Definition of ‘Normal’ for Weather
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Aquafornia news May 13, 2021 San Francisco Chronicle
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This item appears in:
  • Topic: Climate Change
  • Topic: Central Coast
  • Aquafornia
  • Topic: Central Valley
  • Topic: Colorado River
  • Topic: Ecosystem
  • Topic: Drought
  • Topic: Klamath River
  • Topic: Mexico
  • Topic: Nevada
  • Topic: Sacramento Valley
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  • Topic: Sacramento River
  • Topic: San Joaquin Valley
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  • Topic: Watershed
  • Topic: Southern California
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