Records for Tri-Cities Area, Washington (PSCthr) on 12-10
Record Highs
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1: 66°F (1987)
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2: 64°F (2004)
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3: 62°F (1933)
Record Lows
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1: -5°F (1932)
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2: -2°F (2009)
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3: -2°F (1972)
Lowest Highs
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1: 49°F (1946)
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2: 46°F (1987)
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3: 45°F (1993)
Highest Lows
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1: 14°F (1919)
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2: 15°F (1972)
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3: 21°F (1932)
Highest December temperature:
71°F on 12-01-2021.
Lowest December temperature:
-29°F on 12-13-1919.
Average temperature is 34.6°F
Average high is 41.4°F
Average low is 27.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.49" (1990)
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2: 0.28" (1952)
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3: 0.25" (1945)
Precipitation data from 1894 to 2022.