Records for Tri-Cities Area, Washington (PSCthr) on 05-17
Record Highs
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1: 100°F (2006)
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2: 98°F (2008)
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3: 93°F (1973)
Record Lows
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1: 33°F (2011)
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2: 35°F (2001)
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3: 36°F (1917)
Lowest Highs
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1: 62°F (1895)
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2: 60°F (2018)
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3: 58°F (1951)
Highest Lows
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1: 58°F (1998)
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2: 59°F (2003)
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3: 61°F (1917)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 61.9°F
Average high is 77.1°F
Average low is 46.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.72" (1991)
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2: 0.26" (1998)
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3: 0.25" (2019)
Precipitation data from 1894 to 2022.