Records for Rapid City Area, South Dakota (RAPthr) on 12-30
Record Highs
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1: 60°F (1965)
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2: 57°F (1956)
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3: 56°F (1980)
Record Lows
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1: -30°F (1990)
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2: -21°F (2017)
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3: -21°F (1968)
Lowest Highs
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1: 37°F (1980)
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2: 37°F (1956)
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3: 33°F (1945)
Highest Lows
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1: -5°F (1968)
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2: -4°F (1992)
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3: -1°F (2017)
Highest December temperature:
75°F on 12-02-2021.
Lowest December temperature:
-30°F on 12-30-1990.
Average temperature is 26.7°F
Average high is 36.4°F
Average low is 17°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.20" (2018)
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2: 0.15" (1944)
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3: 0.11" (2017)
Precipitation data from 1942 to 2022.