Records for Rapid City Area, South Dakota (RAPthr) on 05-17
Record Highs
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1: 93°F (1988)
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2: 91°F (1964)
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3: 90°F (1948)
Record Lows
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1: 31°F (1969)
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2: 32°F (1999)
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3: 32°F (1992)
Lowest Highs
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1: 59°F (1994)
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2: 55°F (1964)
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3: 53°F (1978)
Highest Lows
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1: 46°F (1957)
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2: 47°F (1961)
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3: 48°F (1943)
Highest May temperature:
98°F on 05-27-1969.
Lowest May temperature:
18°F on 05-01-1950.
Average temperature is 55.4°F
Average high is 65.8°F
Average low is 45.1°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.01" (1962)
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2: 0.87" (2018)
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3: 0.82" (2000)
Precipitation data from 1942 to 2022.