Records for Tri-Cities Area, Washington (PSCthr) on 10-09
Record Highs
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1: 86°F (1934)
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2: 85°F (1942)
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3: 85°F (1911)
Record Lows
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1: 24°F (1921)
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2: 25°F (1985)
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3: 27°F (1919)
Lowest Highs
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1: 55°F (1965)
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2: 54°F (1975)
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3: 54°F (1964)
Highest Lows
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1: 53°F (2009)
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2: 53°F (1985)
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3: 56°F (2019)
Highest October temperature:
90°F on 10-06-2020.
Lowest October temperature:
9°F on 10-31-2002.
Average temperature is 55.1°F
Average high is 69.8°F
Average low is 40.4°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.54" (2016)
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2: 0.50" (2018)
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3: 0.37" (1947)
Precipitation data from 1894 to 2022.