Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-14
Record Highs
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1: 99°F (1948)
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2: 95°F (1935)
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3: 94°F (2020)
Record Lows
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1: 23°F (1904)
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2: 31°F (1903)
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3: 33°F (1961)
Lowest Highs
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1: 66°F (1895)
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2: 66°F (1891)
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3: 63°F (1939)
Highest Lows
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1: 38°F (1903)
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2: 44°F (1970)
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3: 47°F (1912)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 63.4°F
Average high is 75.1°F
Average low is 51.6°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.36" (1900)
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2: 0.28" (2001)
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3: 0.27" (1917)
Precipitation data from 1888 to 2022.