Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-05
Record Highs
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1: 102°F (2020)
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2: 98°F (1960)
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3: 98°F (1955)
Record Lows
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1: 40°F (1965)
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2: 40°F (1962)
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3: 40°F (1920)
Lowest Highs
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1: 70°F (2022)
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2: 70°F (1960)
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3: 69°F (2013)
Highest Lows
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1: 57°F (1956)
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2: 57°F (1929)
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3: 58°F (1898)
Highest September temperature:
103°F on 09-02-1960.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 66.9°F
Average high is 78.9°F
Average low is 54.9°F
Temperature data from 1888 to 2022.
Record Precipitation
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1: 0.91" (2004)
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2: 0.40" (1911)
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3: 0.18" (1971)
Precipitation data from 1888 to 2022.