Records for Rapid City Area, South Dakota (RAPthr) on 08-28
Record Highs
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1: 100°F (2012)
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2: 99°F (1991)
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3: 99°F (1969)
Record Lows
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1: 41°F (2019)
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2: 41°F (2004)
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3: 42°F (1988)
Lowest Highs
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1: 67°F (1991)
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2: 66°F (2013)
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3: 65°F (2011)
Highest Lows
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1: 56°F (1946)
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2: 62°F (2007)
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3: 67°F (2018)
Highest August temperature:
107°F on 08-13-2007.
Lowest August temperature:
37°F on 08-31-2020.
Average temperature is 69.3°F
Average high is 81.4°F
Average low is 57.3°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.41" (1990)
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2: 0.34" (1982)
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3: 0.21" (1955)
Precipitation data from 1942 to 2022.