Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 12-17
Record Highs
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1: 66°F (1998)
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2: 66°F (1939)
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3: 62°F (1957)
Record Lows
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1: -20°F (1964)
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2: -19°F (1924)
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3: -16°F (1922)
Lowest Highs
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1: 39°F (1917)
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2: 38°F (1942)
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3: 38°F (1939)
Highest Lows
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1: -10°F (1924)
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2: -2°F (2016)
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3: 2°F (1964)
Highest December temperature:
79°F on 12-05-1939.
Lowest December temperature:
-28°F on 12-20-1916.
Average temperature is 27.5°F
Average high is 36.9°F
Average low is 18.1°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.18" (1908)
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2: 0.08" (1967)
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3: 0.06" (1963)
Precipitation data from 1888 to 2022.