Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-28
Record Highs
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1: 93°F (2021)
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2: 91°F (1957)
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3: 90°F (1905)
Record Lows
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1: 27°F (1941)
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2: 28°F (1951)
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3: 30°F (1912)
Lowest Highs
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1: 59°F (1943)
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2: 59°F (1897)
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3: 58°F (2011)
Highest Lows
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1: 41°F (1965)
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2: 43°F (1912)
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3: 45°F (1908)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 56.6°F
Average high is 67.5°F
Average low is 45.6°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 1.72" (1923)
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2: 0.97" (1971)
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3: 0.65" (2019)
Precipitation data from 1888 to 2022.