Records for Tri-Cities Area, Washington (PSCthr) on 12-09
Record Highs
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1: 65°F (2015)
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2: 64°F (1933)
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3: 60°F (1989)
Record Lows
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1: -4°F (1919)
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2: -3°F (1972)
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3: -3°F (1932)
Lowest Highs
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1: 45°F (1991)
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2: 43°F (1964)
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3: 42°F (1989)
Highest Lows
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1: 15°F (1972)
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2: 15°F (1919)
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3: 18°F (1932)
Highest December temperature:
71°F on 12-01-2021.
Lowest December temperature:
-29°F on 12-13-1919.
Average temperature is 34.7°F
Average high is 41.6°F
Average low is 27.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.36" (1937)
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2: 0.35" (1955)
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3: 0.28" (1948)
Precipitation data from 1894 to 2022.