Records for Dubuque Area, Iowa (DBQthr) on 09-30
Record Highs
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1: 89°F (1897)
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2: 87°F (1971)
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3: 86°F (2019)
Record Lows
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1: 24°F (1899)
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2: 30°F (2003)
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3: 30°F (1972)
Lowest Highs
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1: 68°F (1878)
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2: 67°F (1879)
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3: 66°F (2002)
Highest Lows
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1: 47°F (1876)
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2: 48°F (1985)
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3: 48°F (1945)
Highest September temperature:
99°F on 09-06-1922.
Lowest September temperature:
24°F on 09-30-1899.
Average temperature is 58.7°F
Average high is 69.3°F
Average low is 48.2°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.64" (1961)
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2: 2.27" (1881)
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3: 1.45" (1911)
Precipitation data from 1873 to 2022.