Records for Rapid City Area, South Dakota (RAPthr) on 09-24
Record Highs
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1: 94°F (1992)
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2: 92°F (2020)
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3: 89°F (2014)
Record Lows
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1: 18°F (1985)
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2: 26°F (2000)
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3: 28°F (1965)
Lowest Highs
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1: 59°F (1992)
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2: 58°F (2014)
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3: 53°F (2011)
Highest Lows
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1: 35°F (1984)
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2: 45°F (1942)
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3: 46°F (1955)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 58.6°F
Average high is 69.8°F
Average low is 47.4°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.00" (1959)
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2: 0.43" (1986)
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3: 0.37" (1955)
Precipitation data from 1942 to 2022.