Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-27
Record Highs
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1: 94°F (1898)
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2: 93°F (2021)
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3: 92°F (1952)
Record Lows
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1: 24°F (1927)
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2: 25°F (1908)
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3: 26°F (1942)
Lowest Highs
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1: 64°F (2021)
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2: 63°F (1952)
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3: 63°F (1914)
Highest Lows
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1: 39°F (1945)
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2: 43°F (1965)
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3: 45°F (1951)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 57.1°F
Average high is 68.1°F
Average low is 46.1°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 2.23" (1923)
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2: 0.32" (1999)
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3: 0.18" (2015)
Precipitation data from 1888 to 2022.