Records for Rapid City Area, South Dakota (RAPthr) on 12-21
Record Highs
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1: 65°F (1991)
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2: 60°F (2005)
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3: 60°F (1957)
Record Lows
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1: -25°F (1989)
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2: -25°F (1983)
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3: -23°F (1990)
Lowest Highs
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1: 33°F (2003)
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2: 32°F (1994)
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3: 32°F (1958)
Highest Lows
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1: -12°F (1990)
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2: -10°F (1989)
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3: -5°F (2022)
Highest December temperature:
75°F on 12-02-2021.
Lowest December temperature:
-30°F on 12-30-1990.
Average temperature is 27.1°F
Average high is 36.5°F
Average low is 17.6°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.17" (1966)
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2: 0.13" (1968)
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3: 0.12" (2011)
Precipitation data from 1942 to 2022.