Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-02
Record Highs
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1: 103°F (1960)
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2: 99°F (1971)
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3: 98°F (1897)
Record Lows
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1: 40°F (1914)
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2: 40°F (1889)
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3: 41°F (1952)
Lowest Highs
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1: 71°F (2012)
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2: 68°F (2001)
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3: 67°F (2015)
Highest Lows
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1: 52°F (1918)
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2: 58°F (1919)
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3: 59°F (1920)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 67.9°F
Average high is 80°F
Average low is 55.8°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 1.01" (1919)
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2: 0.51" (1896)
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3: 0.47" (1918)
Precipitation data from 1888 to 2022.