Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 05-17
Record Highs
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1: 91°F (1964)
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2: 91°F (1934)
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3: 90°F (1948)
Record Lows
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1: 31°F (1888)
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2: 32°F (1942)
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3: 34°F (1915)
Lowest Highs
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1: 65°F (2012)
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2: 61°F (1964)
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3: 61°F (1934)
Highest Lows
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1: 40°F (1888)
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2: 41°F (1930)
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3: 42°F (1942)
Highest May temperature:
99°F on 05-27-1969.
Lowest May temperature:
19°F on 05-01-1909.
Average temperature is 55.4°F
Average high is 65.8°F
Average low is 45.1°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 1.31" (1951)
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2: 1.29" (2000)
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3: 0.98" (1888)
Precipitation data from 1888 to 2022.