Records for Rapid City Area, South Dakota (RAPthr) on 09-25
Record Highs
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1: 93°F (2008)
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2: 92°F (2014)
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3: 91°F (1987)
Record Lows
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1: 24°F (1984)
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2: 25°F (1942)
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3: 27°F (1972)
Lowest Highs
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1: 57°F (1967)
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2: 56°F (1990)
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3: 56°F (1948)
Highest Lows
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1: 40°F (1955)
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2: 46°F (1985)
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3: 47°F (2002)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 58.1°F
Average high is 69.2°F
Average low is 47°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.46" (1955)
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2: 0.38" (1996)
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3: 0.13" (2018)
Precipitation data from 1942 to 2022.