Records for Green Bay Area, Wisconsin (GRBthr) on 05-21
Record Highs
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1: 88°F (1970)
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2: 87°F (1921)
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3: 86°F (1994)
Record Lows
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1: 30°F (2002)
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2: 32°F (1969)
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3: 32°F (1967)
Lowest Highs
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1: 68°F (2021)
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2: 66°F (1921)
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3: 63°F (1887)
Highest Lows
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1: 44°F (1967)
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2: 45°F (1917)
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3: 47°F (1894)
Highest May temperature:
99°F on 05-31-1934.
Lowest May temperature:
21°F on 05-09-1966.
Average temperature is 57.3°F
Average high is 68.4°F
Average low is 46.3°F
Temperature data from 1886 to 2022.
Record Precipitation
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1: 2.45" (1914)
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2: 1.29" (1939)
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3: 1.22" (1926)
Precipitation data from 1886 to 2022.