Records for Rapid City Area, South Dakota (RAPthr) on 04-18
Record Highs
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1: 90°F (1987)
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2: 86°F (1979)
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3: 83°F (1985)
Record Lows
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1: 16°F (2022)
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2: 16°F (1953)
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3: 18°F (1945)
Lowest Highs
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1: 58°F (1985)
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2: 52°F (1987)
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3: 52°F (1979)
Highest Lows
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1: 30°F (1970)
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2: 32°F (1966)
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3: 32°F (1959)
Highest April temperature:
93°F on 04-22-1989.
Lowest April temperature:
-1°F on 04-03-2020.
Average temperature is 45°F
Average high is 55.4°F
Average low is 34.5°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 1.67" (1970)
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2: 0.62" (1978)
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3: 0.60" (1966)
Precipitation data from 1942 to 2022.