Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-01
Record Highs
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1: 100°F (2012)
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2: 99°F (1929)
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3: 98°F (1899)
Record Lows
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1: 42°F (1956)
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2: 42°F (1930)
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3: 43°F (1905)
Lowest Highs
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1: 76°F (2012)
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2: 70°F (2022)
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3: 68°F (1911)
Highest Lows
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1: 58°F (2006)
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2: 58°F (1909)
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3: 59°F (1917)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 68.2°F
Average high is 80.3°F
Average low is 56.1°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 1.12" (1963)
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2: 1.06" (1909)
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3: 0.88" (1919)
Precipitation data from 1888 to 2022.