Records for Des Moines Area, Iowa (DSMthr) on 08-20
Record Highs
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1: 100°F (1983)
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2: 100°F (1947)
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3: 99°F (2003)
Record Lows
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1: 40°F (1950)
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2: 44°F (1897)
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3: 48°F (1956)
Lowest Highs
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1: 76°F (1900)
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2: 76°F (1878)
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3: 74°F (1955)
Highest Lows
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1: 66°F (1930)
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2: 68°F (1956)
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3: 69°F (1950)
Highest August temperature:
110°F on 08-04-1918.
Lowest August temperature:
40°F on 08-20-1950.
Average temperature is 73.5°F
Average high is 83.2°F
Average low is 63.8°F
Temperature data from 1878 to 2022.
Record Precipitation
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1: 2.77" (2019)
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2: 2.10" (2014)
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3: 2.10" (1891)
Precipitation data from 1878 to 2022.