Records for Rapid City Area, South Dakota (RAPthr) on 08-17
Record Highs
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1: 105°F (2021)
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2: 102°F (1995)
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3: 102°F (1970)
Record Lows
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1: 39°F (2002)
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2: 43°F (1968)
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3: 44°F (2012)
Lowest Highs
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1: 67°F (1995)
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2: 66°F (2007)
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3: 66°F (1983)
Highest Lows
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1: 64°F (2015)
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2: 67°F (1997)
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3: 69°F (1950)
Highest August temperature:
107°F on 08-13-2007.
Lowest August temperature:
37°F on 08-31-2020.
Average temperature is 71.7°F
Average high is 83.5°F
Average low is 60°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.55" (2015)
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2: 0.72" (1968)
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3: 0.36" (1950)
Precipitation data from 1942 to 2022.