Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-13
Record Highs
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1: 100°F (1895)
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2: 92°F (2015)
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3: 91°F (1936)
Record Lows
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1: 31°F (1970)
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2: 31°F (1949)
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3: 31°F (1903)
Lowest Highs
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1: 70°F (1958)
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2: 67°F (1895)
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3: 63°F (1918)
Highest Lows
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1: 38°F (1970)
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2: 38°F (1903)
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3: 44°F (1889)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 63.8°F
Average high is 75.6°F
Average low is 52°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 1.62" (1998)
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2: 1.57" (1966)
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3: 1.17" (1928)
Precipitation data from 1888 to 2022.