Records for Tri-Cities Area, Washington (PSCthr) on 05-28
Record Highs
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1: 96°F (2005)
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2: 96°F (1983)
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3: 96°F (1972)
Record Lows
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1: 37°F (1998)
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2: 39°F (1955)
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3: 40°F (1954)
Lowest Highs
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1: 66°F (1939)
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2: 65°F (1944)
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3: 62°F (1968)
Highest Lows
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1: 61°F (2010)
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2: 61°F (1989)
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3: 62°F (1941)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 64.5°F
Average high is 78.9°F
Average low is 50.1°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.31" (2010)
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2: 0.27" (1988)
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3: 0.14" (2008)
Precipitation data from 1894 to 2022.