Records for Tri-Cities Area, Washington (PSCthr) on 12-18
Record Highs
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1: 71°F (1917)
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2: 61°F (1933)
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3: 60°F (1936)
Record Lows
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1: -10°F (1924)
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2: -4°F (2016)
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3: 4°F (1964)
Lowest Highs
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1: 61°F (1917)
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2: 51°F (1933)
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3: 47°F (2018)
Highest Lows
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1: 12°F (1964)
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2: 12°F (1924)
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3: 16°F (1922)
Highest December temperature:
71°F on 12-01-2021.
Lowest December temperature:
-29°F on 12-13-1919.
Average temperature is 33.5°F
Average high is 40.3°F
Average low is 26.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.35" (1960)
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2: 0.33" (1931)
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3: 0.32" (1940)
Precipitation data from 1894 to 2022.