Records for Tri-Cities Area, Washington (PSCthr) on 09-21
Record Highs
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1: 94°F (1967)
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2: 94°F (1939)
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3: 94°F (1896)
Record Lows
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1: 31°F (1907)
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2: 35°F (1932)
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3: 36°F (2009)
Lowest Highs
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1: 60°F (2013)
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2: 60°F (1939)
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3: 60°F (1905)
Highest Lows
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1: 58°F (2000)
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2: 62°F (1945)
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3: 65°F (2017)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 62.5°F
Average high is 78.9°F
Average low is 46.1°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.15" (1972)
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2: 0.05" (1955)
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3: 0.05" (1910)
Precipitation data from 1894 to 2022.