Records for Des Moines Area, Iowa (DSMthr) on 08-21
Record Highs
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1: 102°F (1936)
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2: 99°F (1947)
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3: 98°F (1983)
Record Lows
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1: 47°F (1950)
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2: 50°F (1956)
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3: 51°F (1890)
Lowest Highs
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1: 80°F (1886)
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2: 76°F (2014)
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3: 76°F (1975)
Highest Lows
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1: 68°F (1946)
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2: 70°F (1965)
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3: 72°F (1966)
Highest August temperature:
110°F on 08-04-1918.
Lowest August temperature:
40°F on 08-20-1950.
Average temperature is 73.3°F
Average high is 83.1°F
Average low is 63.5°F
Temperature data from 1878 to 2022.
Record Precipitation
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1: 2.92" (1946)
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2: 2.73" (1954)
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3: 1.65" (2017)
Precipitation data from 1878 to 2022.