Records for Rapid City Area, South Dakota (RAPthr) on 09-08
Record Highs
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1: 103°F (1959)
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2: 98°F (2005)
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3: 96°F (1994)
Record Lows
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1: 30°F (2020)
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2: 36°F (1962)
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3: 37°F (2001)
Lowest Highs
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1: 63°F (2013)
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2: 63°F (1963)
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3: 62°F (1983)
Highest Lows
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1: 44°F (2020)
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2: 54°F (1985)
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3: 54°F (1946)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 65.8°F
Average high is 77.8°F
Average low is 53.9°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.94" (1989)
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2: 0.42" (2013)
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3: 0.30" (1946)
Precipitation data from 1942 to 2022.