Records for Rockford Area, Illinois (RFDthr) on 05-17
Record Highs
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1: 91°F (1934)
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2: 90°F (1987)
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3: 90°F (1962)
Record Lows
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1: 32°F (1930)
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2: 34°F (2009)
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3: 34°F (2002)
Lowest Highs
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1: 67°F (2015)
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2: 67°F (1944)
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3: 66°F (1977)
Highest Lows
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1: 48°F (2002)
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2: 49°F (1912)
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3: 50°F (1945)
Highest May temperature:
106°F on 05-31-1934.
Lowest May temperature:
24°F on 05-10-1966.
Average temperature is 60.7°F
Average high is 71.6°F
Average low is 49.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.25" (1969)
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2: 2.07" (1986)
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3: 1.30" (2020)
Precipitation data from 1893 to 2022.