Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 08-20
Record Highs
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1: 102°F (1898)
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2: 100°F (1903)
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3: 97°F (1942)
Record Lows
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1: 43°F (1964)
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2: 43°F (1907)
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3: 45°F (1935)
Lowest Highs
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1: 73°F (2020)
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2: 70°F (2013)
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3: 70°F (2003)
Highest Lows
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1: 61°F (1966)
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2: 63°F (1916)
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3: 64°F (1945)
Highest August temperature:
106°F on 08-01-1900.
Lowest August temperature:
36°F on 08-28-1911.
Average temperature is 71.2°F
Average high is 83°F
Average low is 59.3°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.80" (1906)
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2: 0.55" (1965)
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3: 0.46" (1958)
Precipitation data from 1888 to 2022.