Records for Tri-Cities Area, Washington (PSCthr) on 09-10
Record Highs
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1: 97°F (1944)
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2: 97°F (1943)
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3: 97°F (1907)
Record Lows
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1: 34°F (1915)
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2: 36°F (1913)
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3: 37°F (1921)
Lowest Highs
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1: 66°F (1894)
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2: 63°F (2021)
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3: 63°F (1963)
Highest Lows
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1: 60°F (1895)
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2: 63°F (1927)
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3: 68°F (1941)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 66.2°F
Average high is 83.2°F
Average low is 49.2°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.29" (2000)
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2: 0.20" (1982)
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3: 0.18" (2019)
Precipitation data from 1894 to 2022.