Records for Tri-Cities Area, Washington (PSCthr) on 05-26
Record Highs
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1: 100°F (1947)
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2: 100°F (1936)
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3: 99°F (1958)
Record Lows
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1: 35°F (1999)
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2: 36°F (1932)
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3: 36°F (1920)
Lowest Highs
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1: 62°F (1928)
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2: 61°F (1894)
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3: 60°F (2020)
Highest Lows
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1: 59°F (1998)
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2: 65°F (1997)
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3: 65°F (1954)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 64.1°F
Average high is 78.6°F
Average low is 49.6°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.42" (1980)
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2: 0.32" (1912)
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3: 0.25" (1953)
Precipitation data from 1894 to 2022.