Records for Dubuque Area, Iowa (DBQthr) on 09-21
Record Highs
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1: 94°F (1891)
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2: 91°F (1895)
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3: 90°F (1908)
Record Lows
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1: 35°F (1991)
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2: 35°F (1952)
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3: 37°F (1983)
Lowest Highs
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1: 72°F (1895)
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2: 70°F (2019)
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3: 68°F (1941)
Highest Lows
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1: 48°F (1913)
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2: 49°F (1995)
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3: 51°F (1983)
Highest September temperature:
99°F on 09-06-1922.
Lowest September temperature:
24°F on 09-30-1899.
Average temperature is 62.6°F
Average high is 73.2°F
Average low is 51.9°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.40" (1965)
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2: 1.80" (1986)
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3: 1.50" (1950)
Precipitation data from 1873 to 2022.