Records for Rapid City Area, South Dakota (RAPthr) on 08-19
Record Highs
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1: 104°F (1986)
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2: 102°F (1974)
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3: 101°F (1948)
Record Lows
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1: 41°F (1978)
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2: 44°F (2016)
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3: 44°F (2004)
Lowest Highs
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1: 67°F (1974)
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2: 65°F (1998)
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3: 65°F (1976)
Highest Lows
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1: 57°F (1956)
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2: 62°F (1966)
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3: 63°F (2016)
Highest August temperature:
107°F on 08-13-2007.
Lowest August temperature:
37°F on 08-31-2020.
Average temperature is 71.4°F
Average high is 83.2°F
Average low is 59.5°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.16" (1985)
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2: 1.10" (1966)
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3: 0.57" (1993)
Precipitation data from 1942 to 2022.