Records for Rapid City Area, South Dakota (RAPthr) on 09-22
Record Highs
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1: 95°F (2007)
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2: 94°F (1954)
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3: 93°F (2013)
Record Lows
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1: 19°F (1995)
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2: 26°F (1983)
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3: 31°F (2002)
Lowest Highs
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1: 54°F (1945)
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2: 53°F (1967)
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3: 52°F (2016)
Highest Lows
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1: 43°F (1960)
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2: 46°F (2000)
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3: 51°F (2006)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 59.6°F
Average high is 70.9°F
Average low is 48.3°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.87" (2006)
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2: 0.80" (1977)
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3: 0.57" (1960)
Precipitation data from 1942 to 2022.