Water Supply UpdateJeff MartiMarch 4, 2021

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1981–2010 1991-2020

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Oct – Jan was 9th

warmest such period since 1895 for WA

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Rankings to be released March 8th

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6Feb 2021 was the 13th greatest SWE gainer since 1990

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Two Views of SWE:SNOTEL vs SNODAS

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La Nina and RunoffColumbia River at The Dalles

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2015

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Thank youjeff.marti@ecy.wa.gov

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