Records for Tri-Cities Area, Washington (PSCthr) on 09-19
Record Highs
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1: 97°F (1981)
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2: 94°F (1906)
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3: 91°F (1984)
Record Lows
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1: 32°F (1957)
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2: 37°F (2004)
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3: 37°F (1945)
Lowest Highs
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1: 64°F (1956)
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2: 63°F (1938)
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3: 63°F (1937)
Highest Lows
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1: 58°F (1983)
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2: 60°F (1924)
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3: 65°F (1968)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 63.2°F
Average high is 79.7°F
Average low is 46.7°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.49" (2010)
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2: 0.30" (1988)
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3: 0.14" (1921)
Precipitation data from 1894 to 2022.