Records for Rapid City Area, South Dakota (RAPthr) on 05-31
Record Highs
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1: 89°F (1960)
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2: 88°F (1961)
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3: 87°F (1973)
Record Lows
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1: 33°F (1982)
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2: 35°F (1974)
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3: 37°F (2022)
Lowest Highs
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1: 58°F (2014)
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2: 58°F (1965)
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3: 57°F (1944)
Highest Lows
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1: 45°F (1951)
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2: 47°F (1967)
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3: 52°F (1946)
Highest May temperature:
98°F on 05-27-1969.
Lowest May temperature:
18°F on 05-01-1950.
Average temperature is 60.3°F
Average high is 70.7°F
Average low is 49.9°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.73" (2005)
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2: 0.70" (1992)
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3: 0.68" (1967)
Precipitation data from 1942 to 2022.