Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-06
Record Highs
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1: 98°F (1931)
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2: 97°F (2021)
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3: 97°F (1897)
Record Lows
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1: 34°F (1956)
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2: 34°F (1929)
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3: 37°F (1943)
Lowest Highs
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1: 71°F (2013)
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2: 70°F (2022)
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3: 70°F (1913)
Highest Lows
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1: 43°F (1929)
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2: 55°F (1965)
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3: 55°F (1949)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 66.6°F
Average high is 78.6°F
Average low is 54.5°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.72" (1922)
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2: 0.67" (1996)
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3: 0.36" (1911)
Precipitation data from 1888 to 2022.