Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-26
Record Highs
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1: 93°F (2014)
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2: 92°F (1963)
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3: 92°F (1956)
Record Lows
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1: 19°F (1934)
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2: 22°F (1942)
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3: 28°F (1927)
Lowest Highs
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1: 60°F (2021)
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2: 60°F (1963)
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3: 58°F (2014)
Highest Lows
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1: 32°F (1927)
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2: 36°F (1965)
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3: 43°F (1900)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 57.6°F
Average high is 68.7°F
Average low is 46.5°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.87" (1915)
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2: 0.34" (1902)
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3: 0.30" (1929)
Precipitation data from 1888 to 2022.