Records for Tri-Cities Area, Washington (PSCthr) on 09-15
Record Highs
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1: 96°F (1938)
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2: 94°F (2013)
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3: 94°F (1975)
Record Lows
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1: 32°F (1921)
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2: 34°F (1970)
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3: 36°F (1936)
Lowest Highs
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1: 67°F (2000)
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2: 60°F (2007)
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3: 60°F (1961)
Highest Lows
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1: 56°F (1959)
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2: 62°F (1992)
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3: 64°F (1906)
Highest September temperature:
102°F on 09-01-2022.
Lowest September temperature:
21°F on 09-24-1926.
Average temperature is 64.6°F
Average high is 81.4°F
Average low is 47.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.60" (1959)
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2: 0.27" (2013)
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3: 0.19" (1949)
Precipitation data from 1894 to 2022.