Records for Rapid City Area, South Dakota (RAPthr) on 09-17
Record Highs
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1: 101°F (2000)
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2: 96°F (1943)
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3: 92°F (2013)
Record Lows
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1: 26°F (1991)
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2: 31°F (1973)
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3: 31°F (1965)
Lowest Highs
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1: 64°F (1955)
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2: 60°F (1948)
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3: 59°F (1961)
Highest Lows
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1: 42°F (1959)
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2: 43°F (1965)
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3: 50°F (1971)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 62°F
Average high is 73.6°F
Average low is 50.4°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.48" (1946)
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2: 0.32" (1996)
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3: 0.27" (2003)
Precipitation data from 1942 to 2022.