Records for Tri-Cities Area, Washington (PSCthr) on 09-11
Record Highs
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1: 98°F (1973)
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2: 97°F (1944)
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3: 95°F (1943)
Record Lows
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1: 37°F (2012)
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2: 38°F (1915)
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3: 38°F (1910)
Lowest Highs
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1: 65°F (1997)
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2: 63°F (1969)
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3: 62°F (2003)
Highest Lows
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1: 61°F (1895)
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2: 62°F (1921)
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3: 65°F (1927)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 65.9°F
Average high is 82.9°F
Average low is 48.9°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.35" (1896)
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2: 0.16" (1939)
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3: 0.14" (1927)
Precipitation data from 1894 to 2022.