Records for Tri-Cities Area, Washington (PSCthr) on 10-18
Record Highs
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1: 87°F (1940)
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2: 78°F (1896)
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3: 77°F (2014)
Record Lows
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1: 24°F (1917)
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2: 26°F (1948)
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3: 26°F (1938)
Lowest Highs
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1: 55°F (2020)
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2: 53°F (1939)
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3: 52°F (1958)
Highest Lows
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1: 48°F (1996)
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2: 48°F (1949)
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3: 49°F (1905)
Highest October temperature:
90°F on 10-06-2020.
Lowest October temperature:
9°F on 10-31-2002.
Average temperature is 51.1°F
Average high is 64.7°F
Average low is 37.6°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.34" (1953)
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2: 0.25" (1995)
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3: 0.22" (1996)
Precipitation data from 1894 to 2022.