Records for Rapid City Area, South Dakota (RAPthr) on 09-13
Record Highs
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1: 93°F (2015)
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2: 92°F (2006)
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3: 92°F (1943)
Record Lows
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1: 29°F (1993)
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2: 29°F (1949)
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3: 31°F (2014)
Lowest Highs
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1: 63°F (1958)
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2: 58°F (1998)
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3: 58°F (1955)
Highest Lows
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1: 39°F (1970)
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2: 47°F (1993)
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3: 50°F (1961)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 63.8°F
Average high is 75.6°F
Average low is 52°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 2.13" (1966)
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2: 0.75" (1998)
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3: 0.53" (1970)
Precipitation data from 1942 to 2022.