Records for Rapid City Area, South Dakota (RAPthr) on 09-27
Record Highs
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1: 94°F (1952)
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2: 93°F (2021)
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3: 91°F (1983)
Record Lows
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1: 26°F (1951)
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2: 27°F (1964)
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3: 29°F (1985)
Lowest Highs
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1: 59°F (1983)
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2: 59°F (1963)
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3: 57°F (1952)
Highest Lows
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1: 38°F (1984)
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2: 42°F (1945)
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3: 43°F (1965)
Highest September temperature:
104°F on 09-02-1960.
Lowest September temperature:
18°F on 09-24-1985.
Average temperature is 57.1°F
Average high is 68.1°F
Average low is 46.1°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.78" (1982)
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2: 0.71" (1971)
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3: 0.48" (1946)
Precipitation data from 1942 to 2022.