Records for Tri-Cities Area, Washington (PSCthr) on 08-21
Record Highs
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1: 104°F (1977)
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2: 104°F (1897)
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3: 103°F (1939)
Record Lows
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1: 42°F (1945)
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2: 43°F (1909)
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3: 45°F (2000)
Lowest Highs
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1: 71°F (1977)
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2: 68°F (1925)
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3: 67°F (2020)
Highest Lows
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1: 72°F (1985)
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2: 72°F (1947)
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3: 77°F (1968)
Highest August temperature:
115°F on 08-10-1898.
Lowest August temperature:
37°F on 08-31-1924.
Average temperature is 72.1°F
Average high is 89.5°F
Average low is 54.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.20" (1899)
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2: 0.18" (2002)
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3: 0.16" (2012)
Precipitation data from 1894 to 2022.