Records for Tri-Cities Area, Washington (PSCthr) on 09-27
Record Highs
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1: 89°F (1994)
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2: 88°F (1967)
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3: 87°F (2022)
Record Lows
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1: 29°F (1926)
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2: 31°F (1999)
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3: 31°F (1924)
Lowest Highs
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1: 63°F (1897)
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2: 62°F (1921)
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3: 60°F (1962)
Highest Lows
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1: 58°F (1925)
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2: 59°F (1977)
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3: 59°F (1929)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 60.2°F
Average high is 76.1°F
Average low is 44.3°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.67" (1925)
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2: 0.52" (1957)
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3: 0.48" (1981)
Precipitation data from 1894 to 2022.