Records for Tri-Cities Area, Washington (PSCthr) on 05-06
Record Highs
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1: 93°F (1966)
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2: 93°F (1947)
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3: 90°F (1992)
Record Lows
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1: 30°F (2002)
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2: 30°F (2001)
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3: 30°F (2000)
Lowest Highs
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1: 60°F (1951)
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2: 59°F (1998)
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3: 55°F (2022)
Highest Lows
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1: 57°F (2002)
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2: 58°F (1979)
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3: 60°F (1983)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 58.6°F
Average high is 74.2°F
Average low is 42.9°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.38" (1980)
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2: 0.31" (1999)
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3: 0.30" (2018)
Precipitation data from 1894 to 2022.