Records for Tri-Cities Area, Washington (PSCthr) on 12-17
Record Highs
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1: 61°F (1997)
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2: 61°F (1933)
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3: 61°F (1917)
Record Lows
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1: -14°F (1922)
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2: -8°F (2016)
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3: -4°F (1964)
Lowest Highs
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1: 48°F (1917)
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2: 44°F (1997)
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3: 44°F (1971)
Highest Lows
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1: 5°F (1964)
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2: 9°F (1922)
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3: 12°F (1924)
Highest December temperature:
71°F on 12-01-2021.
Lowest December temperature:
-29°F on 12-13-1919.
Average temperature is 33.6°F
Average high is 40.4°F
Average low is 26.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.52" (1973)
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2: 0.33" (1915)
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3: 0.30" (1931)
Precipitation data from 1894 to 2022.