Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-29
Record Highs
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1: 96°F (1892)
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2: 92°F (1931)
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3: 91°F (1933)
Record Lows
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1: 27°F (1945)
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2: 27°F (1912)
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3: 28°F (1920)
Lowest Highs
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1: 68°F (1892)
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2: 59°F (2022)
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3: 58°F (2000)
Highest Lows
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1: 40°F (1965)
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2: 42°F (1950)
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3: 42°F (1907)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 56.1°F
Average high is 67°F
Average low is 45.2°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 2.58" (2014)
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2: 0.65" (1965)
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3: 0.55" (1907)
Precipitation data from 1888 to 2022.