Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-16
Record Highs
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1: 96°F (1895)
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2: 95°F (1910)
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3: 94°F (1891)
Record Lows
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1: 29°F (1965)
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2: 34°F (1903)
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3: 34°F (1897)
Lowest Highs
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1: 67°F (1948)
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2: 65°F (2000)
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3: 62°F (2018)
Highest Lows
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1: 46°F (1965)
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2: 47°F (1912)
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3: 47°F (1903)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 62.5°F
Average high is 74.1°F
Average low is 50.8°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 2.76" (1913)
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2: 0.85" (1959)
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3: 0.52" (1906)
Precipitation data from 1888 to 2022.