Records for Des Moines Area, Iowa (DSMthr) on 09-20
Record Highs
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1: 94°F (2022)
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2: 92°F (1931)
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3: 92°F (1908)
Record Lows
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1: 33°F (1991)
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2: 33°F (1896)
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3: 34°F (1918)
Lowest Highs
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1: 74°F (1895)
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2: 73°F (2022)
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3: 72°F (2017)
Highest Lows
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1: 54°F (1983)
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2: 56°F (1995)
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3: 56°F (1929)
Highest September temperature:
101°F on 09-03-1939.
Lowest September temperature:
26°F on 09-28-1942.
Average temperature is 64.7°F
Average high is 75.6°F
Average low is 53.7°F
Temperature data from 1878 to 2022.
Record Precipitation
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1: 1.89" (1894)
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2: 1.83" (1965)
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3: 1.68" (1919)
Precipitation data from 1878 to 2022.