Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 05-21
Record Highs
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1: 92°F (1966)
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2: 91°F (1925)
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3: 89°F (1954)
Record Lows
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1: 27°F (1931)
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2: 30°F (1908)
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3: 31°F (2019)
Lowest Highs
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1: 67°F (1964)
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2: 62°F (1956)
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3: 62°F (1954)
Highest Lows
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1: 38°F (2019)
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2: 45°F (1917)
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3: 47°F (2022)
Highest May temperature:
99°F on 05-27-1969.
Lowest May temperature:
19°F on 05-01-1909.
Average temperature is 56.9°F
Average high is 67.2°F
Average low is 46.5°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 1.97" (2019)
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2: 1.64" (1962)
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3: 1.30" (1933)
Precipitation data from 1888 to 2022.