Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-07
Record Highs
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1: 102°F (1908)
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2: 101°F (1931)
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3: 98°F (1897)
Record Lows
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1: 31°F (2020)
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2: 34°F (1929)
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3: 35°F (1890)
Lowest Highs
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1: 73°F (1931)
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2: 70°F (2013)
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3: 68°F (1900)
Highest Lows
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1: 47°F (1929)
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2: 51°F (1946)
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3: 52°F (1901)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 66.2°F
Average high is 78.2°F
Average low is 54.2°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.97" (2020)
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2: 0.55" (1951)
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3: 0.50" (1970)
Precipitation data from 1888 to 2022.