Records for Rapid City Area, South Dakota (RAPthr) on 09-19
Record Highs
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1: 95°F (2022)
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2: 93°F (1984)
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3: 92°F (1960)
Record Lows
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1: 22°F (1991)
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2: 29°F (1942)
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3: 30°F (2006)
Lowest Highs
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1: 59°F (2014)
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2: 58°F (1979)
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3: 57°F (2004)
Highest Lows
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1: 44°F (1995)
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2: 46°F (1957)
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3: 47°F (1983)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 61.1°F
Average high is 72.6°F
Average low is 49.6°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.61" (1950)
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2: 0.49" (1964)
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3: 0.48" (1993)
Precipitation data from 1942 to 2022.