Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-08
Record Highs
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1: 100°F (1959)
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2: 97°F (1931)
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3: 96°F (1958)
Record Lows
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1: 31°F (2020)
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2: 36°F (1929)
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3: 38°F (1898)
Lowest Highs
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1: 69°F (1931)
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2: 68°F (1906)
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3: 66°F (1893)
Highest Lows
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1: 42°F (2020)
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2: 46°F (1929)
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3: 49°F (1941)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 65.8°F
Average high is 77.8°F
Average low is 53.9°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.88" (1946)
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2: 0.54" (2013)
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3: 0.46" (1926)
Precipitation data from 1888 to 2022.