Records for Tri-Cities Area, Washington (PSCthr) on 09-29
Record Highs
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1: 88°F (2006)
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2: 87°F (1996)
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3: 87°F (1904)
Record Lows
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1: 29°F (1919)
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2: 30°F (1983)
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3: 31°F (1985)
Lowest Highs
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1: 65°F (1963)
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2: 63°F (2005)
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3: 61°F (2000)
Highest Lows
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1: 50°F (2019)
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2: 56°F (1977)
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3: 60°F (1959)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 59.4°F
Average high is 75.1°F
Average low is 43.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.40" (1927)
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2: 0.06" (2000)
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3: 0.05" (1971)
Precipitation data from 1894 to 2022.