Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-03
Record Highs
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1: 100°F (1899)
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2: 98°F (2015)
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3: 98°F (2005)
Record Lows
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1: 39°F (1905)
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2: 39°F (1891)
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3: 40°F (1928)
Lowest Highs
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1: 72°F (1960)
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2: 71°F (1945)
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3: 69°F (2013)
Highest Lows
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1: 51°F (1918)
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2: 55°F (1999)
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3: 56°F (1943)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 67.6°F
Average high is 79.6°F
Average low is 55.5°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.92" (1951)
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2: 0.67" (2004)
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3: 0.49" (1968)
Precipitation data from 1888 to 2022.