Records for Rapid City Area, South Dakota (RAPthr) on 05-30
Record Highs
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1: 91°F (1969)
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2: 89°F (2002)
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3: 88°F (1955)
Record Lows
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1: 30°F (1947)
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2: 34°F (2015)
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3: 34°F (1975)
Lowest Highs
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1: 61°F (1988)
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2: 59°F (1961)
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3: 57°F (2014)
Highest Lows
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1: 48°F (1967)
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2: 50°F (1989)
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3: 50°F (1951)
Highest May temperature:
98°F on 05-27-1969.
Lowest May temperature:
18°F on 05-01-1950.
Average temperature is 60°F
Average high is 70.4°F
Average low is 49.5°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.19" (1996)
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2: 1.09" (1959)
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3: 0.92" (1971)
Precipitation data from 1942 to 2022.