Records for Tri-Cities Area, Washington (PSCthr) on 09-01
Record Highs
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1: 102°F (2022)
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2: 101°F (1998)
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3: 100°F (1967)
Record Lows
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1: 38°F (1999)
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2: 39°F (1924)
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3: 42°F (2008)
Lowest Highs
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1: 71°F (1967)
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2: 67°F (1916)
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3: 65°F (1983)
Highest Lows
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1: 64°F (1907)
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2: 67°F (1971)
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3: 69°F (2000)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 68.9°F
Average high is 86.2°F
Average low is 51.6°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.63" (1971)
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2: 0.41" (1939)
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3: 0.32" (1961)
Precipitation data from 1894 to 2022.