Records for Tri-Cities Area, Washington (PSCthr) on 09-22
Record Highs
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1: 95°F (1939)
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2: 93°F (1905)
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3: 93°F (1896)
Record Lows
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1: 34°F (2002)
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2: 34°F (1955)
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3: 35°F (2005)
Lowest Highs
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1: 66°F (1912)
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2: 64°F (1976)
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3: 64°F (1936)
Highest Lows
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1: 60°F (1934)
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2: 62°F (2000)
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3: 63°F (1926)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 62.1°F
Average high is 78.4°F
Average low is 45.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.15" (1934)
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2: 0.15" (1926)
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3: 0.12" (1973)
Precipitation data from 1894 to 2022.