Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 12-18
Record Highs
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1: 65°F (1958)
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2: 64°F (1943)
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3: 61°F (2011)
Record Lows
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1: -25°F (1924)
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2: -18°F (1964)
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3: -15°F (1929)
Lowest Highs
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1: 40°F (1931)
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2: 37°F (2018)
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3: 37°F (1957)
Highest Lows
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1: -3°F (1924)
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2: 4°F (1996)
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3: 5°F (1955)
Highest December temperature:
79°F on 12-05-1939.
Lowest December temperature:
-28°F on 12-20-1916.
Average temperature is 27.4°F
Average high is 36.8°F
Average low is 18°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.36" (1970)
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2: 0.08" (1901)
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3: 0.06" (1961)
Precipitation data from 1888 to 2022.