Records for Tri-Cities Area, Washington (PSCthr) on 05-11
Record Highs
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1: 97°F (1949)
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2: 97°F (1924)
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3: 96°F (2013)
Record Lows
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1: 30°F (1999)
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2: 31°F (2012)
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3: 32°F (1921)
Lowest Highs
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1: 61°F (1987)
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2: 60°F (1906)
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3: 58°F (1936)
Highest Lows
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1: 55°F (1967)
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2: 59°F (1986)
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3: 61°F (1943)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 60.2°F
Average high is 75.7°F
Average low is 44.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.45" (1958)
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2: 0.27" (2018)
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3: 0.25" (1951)
Precipitation data from 1894 to 2022.