Records for Rapid City Area, South Dakota (RAPthr) on 05-19
Record Highs
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1: 94°F (2009)
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2: 93°F (1992)
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3: 91°F (1948)
Record Lows
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1: 31°F (1968)
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2: 31°F (1966)
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3: 33°F (2019)
Lowest Highs
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1: 62°F (1948)
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2: 57°F (1992)
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3: 56°F (2006)
Highest Lows
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1: 43°F (2019)
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2: 46°F (2015)
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3: 47°F (2017)
Highest May temperature:
98°F on 05-27-1969.
Lowest May temperature:
18°F on 05-01-1950.
Average temperature is 56.1°F
Average high is 66.5°F
Average low is 45.8°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 2.05" (2011)
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2: 0.71" (1982)
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3: 0.55" (1957)
Precipitation data from 1942 to 2022.