Records for Rockford Area, Illinois (RFDthr) on 05-21
Record Highs
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1: 93°F (1934)
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2: 92°F (1921)
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3: 90°F (1972)
Record Lows
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1: 29°F (2002)
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2: 33°F (1929)
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3: 35°F (1997)
Lowest Highs
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1: 69°F (1934)
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2: 66°F (2021)
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3: 65°F (1974)
Highest Lows
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1: 50°F (1919)
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2: 53°F (1969)
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3: 53°F (1963)
Highest May temperature:
106°F on 05-31-1934.
Lowest May temperature:
24°F on 05-10-1966.
Average temperature is 62.2°F
Average high is 73.1°F
Average low is 51.3°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.70" (1940)
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2: 1.10" (1939)
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3: 1.07" (1953)
Precipitation data from 1893 to 2022.