Records for Des Moines Area, Iowa (DSMthr) on 09-26
Record Highs
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1: 90°F (1956)
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2: 89°F (1998)
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3: 89°F (1946)
Record Lows
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1: 30°F (1926)
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2: 31°F (1984)
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3: 33°F (1912)
Lowest Highs
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1: 72°F (1998)
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2: 67°F (1986)
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3: 65°F (2020)
Highest Lows
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1: 42°F (1942)
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2: 45°F (1927)
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3: 50°F (1984)
Highest September temperature:
101°F on 09-03-1939.
Lowest September temperature:
26°F on 09-28-1942.
Average temperature is 62.2°F
Average high is 73.2°F
Average low is 51.3°F
Temperature data from 1878 to 2022.
Record Precipitation
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1: 2.77" (1936)
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2: 1.65" (1887)
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3: 1.05" (1959)
Precipitation data from 1878 to 2022.