Records for Tri-Cities Area, Washington (PSCthr) on 09-16
Record Highs
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1: 97°F (1938)
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2: 94°F (1998)
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3: 93°F (1904)
Record Lows
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1: 34°F (1970)
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2: 34°F (1936)
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3: 35°F (1897)
Lowest Highs
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1: 63°F (2010)
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2: 63°F (2001)
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3: 62°F (1975)
Highest Lows
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1: 55°F (1992)
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2: 60°F (1965)
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3: 62°F (1946)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 64.3°F
Average high is 81°F
Average low is 47.5°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.30" (1954)
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2: 0.28" (1947)
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3: 0.20" (1955)
Precipitation data from 1894 to 2022.