Records for Seattle Tacoma Area, Washington (SEAthr) on 05-20
Record Highs
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1: 92°F (1963)
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2: 82°F (1978)
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3: 82°F (1967)
Record Lows
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1: 40°F (1960)
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2: 41°F (2022)
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3: 41°F (1975)
Lowest Highs
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1: 62°F (1963)
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2: 55°F (2018)
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3: 55°F (1972)
Highest Lows
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1: 54°F (1971)
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2: 55°F (2007)
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3: 55°F (1980)
Highest May temperature:
93°F on 05-21-1963.
Lowest May temperature:
28°F on 05-01-1954.
Average temperature is 58.7°F
Average high is 67.4°F
Average low is 50°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.56" (2007)
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2: 0.25" (2012)
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3: 0.24" (2005)
Precipitation data from 1945 to 2022.