Records for Rapid City Area, South Dakota (RAPthr) on 09-05
Record Highs
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1: 104°F (2020)
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2: 101°F (1978)
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3: 100°F (2002)
Record Lows
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1: 37°F (1999)
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2: 37°F (1968)
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3: 38°F (1962)
Lowest Highs
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1: 70°F (1960)
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2: 65°F (2013)
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3: 64°F (2001)
Highest Lows
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1: 56°F (1993)
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2: 58°F (1956)
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3: 61°F (1965)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 66.9°F
Average high is 78.9°F
Average low is 54.9°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.76" (1990)
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2: 0.89" (2004)
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3: 0.61" (1986)
Precipitation data from 1942 to 2022.