Records for Tri-Cities Area, Washington (PSCthr) on 08-20
Record Highs
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1: 106°F (1977)
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2: 106°F (1897)
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3: 103°F (1967)
Record Lows
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1: 42°F (1945)
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2: 43°F (1944)
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3: 44°F (1929)
Lowest Highs
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1: 74°F (2022)
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2: 73°F (1961)
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3: 69°F (1971)
Highest Lows
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1: 72°F (2007)
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2: 73°F (1990)
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3: 73°F (1959)
Highest August temperature:
115°F on 08-10-1898.
Lowest August temperature:
37°F on 08-31-1924.
Average temperature is 72.4°F
Average high is 89.8°F
Average low is 55°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.45" (1918)
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2: 0.18" (2008)
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3: 0.12" (1979)
Precipitation data from 1894 to 2022.