Records for Rapid City Area, South Dakota (RAPthr) on 08-12
Record Highs
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1: 105°F (1965)
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2: 102°F (1978)
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3: 101°F (2020)
Record Lows
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1: 45°F (1992)
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2: 45°F (1964)
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3: 46°F (2004)
Lowest Highs
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1: 71°F (1965)
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2: 69°F (1983)
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3: 67°F (1957)
Highest Lows
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1: 66°F (1966)
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2: 68°F (1951)
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3: 68°F (1950)
Highest August temperature:
107°F on 08-13-2007.
Lowest August temperature:
37°F on 08-31-2020.
Average temperature is 72.6°F
Average high is 84.2°F
Average low is 60.9°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.16" (1945)
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2: 0.90" (1966)
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3: 0.82" (1950)
Precipitation data from 1942 to 2022.