JANUARY RECORD HIGHS…LOWS…PRECIPITATION…AND SNOW FOR ROCKFORD
**Updated 4/24/2023**
| Day | Record High Temp/Year |
Record Low Max/Year |
Record High Min/Year |
Record Low Temp/Year |
Record Precipitation Daily/Year |
Record Snow Daily/Year |
| 1 | 49 / 1916 | -1 / 2018 | 40 / 1950 | -13 / 2018 | 1.37 / 1948 | 9.0 / 1942 |
| 2 | 59 / 2000 | -7 / 1979 | 41 / 1950 | -17 / 1979 | 0.85 / 1937 | 7.0 / 1936 |
| 3 | 57 / 1998 | 1 / 1919 | 37 / 1906 | -18 / 2014 | 0.96 / 1973 | 6.9 / 1971 |
| 4 | 60 / 1997 | -2 / 1942 | 38 / 1909 | -21 / 1919 | 0.85 / 1922 | 5.5 / 1910 |
| 5 | 54 / 1909 | -11 / 1924 | 39 / 1998 | -25 / 1924 | 1.91 / 1946 | 5.1 / 1991 |
| 6 | 60 / 2008 | -14 / 1924 | 38 / 2008 | -19 / 1988 | 1.25 / 1946 | 9.8 / 1918 |
| 7 | 63 / 2008 | -10 / 1912 | 39 / 1907 | -20 / 1942 | 0.53 / 2019 | 6.5 / 1918 |
| 8 | 55 / 1965 | -1 / 1970 | 35 / 1935 | -19 / 1986 | 1.25 / 1946 | 3.2 / 1974 |
| 9 | 56 / 2002 | -2 / 1978 | 35 / 1924 | -21 / 1982 | 0.90 / 1930 | 10.0 / 1930 |
| 10 | 55 / 1975 | -5 / 1982 | 36 / 1975 | -27 / 1982 | 1.03 / 1975 | 3.8 / 2009 |
| 11 | 57 / 2012 | -5 / 1912 | 40 / 2013 | -24 / 1979 | 0.55 / 1960 | 4.7 / 1991 |
| 12 | 55 / 1960 | -8 / 1912 | 37 / 1960 | -21 / 1974 | 2.46 / 1960 | 8.8 / 1966 |
| 13 | 54 / 1961 | -2/ 1912 | 36 / 1932 | -17 / 1916 | 0.86 / 1979 | 9.5 / 1979 |
| 14 | 58 / 1928 | -2 / 1994 | 34 / 1953 | -17 / 1979 | 1.20 / 1940 | 7.0 / 1940 |
| 15 | 55 / 1953 | -13 / 1994 | 34 / 1906 | -24 / 1979 | 0.60 / 1943 | 5.5 / 1943 |
| 16 | 53 / 1933 | -7 / 1977 | 39 / 1933 | -25 / 2009 | 1.01 / 2017 | 9.5 / 1924 |
| 17 | 53 / 1990 | 0 / 1977 | 41 / 1973 | -25 / 1982 | 0.60 / 1941 | 4.7 / 1953 |
| 18 | 57 / 1996 | -14 / 1994 | 41 / 1973 | -23 / 1994 | 0.87 / 1933 | 7.0 / 1943 |
| 19 | 53 / 2006 | -1 / 1970 | 33 / 1944 | -24 / 1994 | 1.31 / 1988 | 8.3 / 1995 |
| 20 | 51 / 1921 | -5 / 1985 | 39 / 1921 | -26 / 1985 | 1.53 / 1909 | 5.1 / 2012 |
| 21 | 60 / 1906 | -1 / 1970 | 42 / 1921 | -22 / 1984 | 0.88 / 1916 | 6.4 / 2005 |
| 22 | 55 / 1964 | 8 / 1937 | 42 / 1934 | -21 / 1936 | 2.07 / 1965 | 3.3 / 2008 |
| 23 | 55 / 1909 | -10 / 1963 | 46 / 1909 | -24 / 1936 | 0.74 / 1908 | 8.0 / 1906 |
| 24 | 61 / 1909 | -1 / 1982 | 37 / 1967 | -20 / 1936 | 2.00 / 1938 | 3.0 / 2020 |
| 25 | 54 / 1973 | 3 / 1972 | 40 / 1916 | -20 / 1936 | 1.20 / 1950 | 8.2 / 1990 |
| 26 | 61 / 1944 | 1 / 1936 | 44 / 1944 | -21 / 2019 | 1.32 / 1974 | 7.5 / 1941 |
| 27 | 61 / 1944 | 3 / 1986 | 46 / 1944 | -15 / 2019 | 1.15 / 1944 | 3.0 / 1908 |
| 28 | 55 / 1944 | -5 / 1966 | 36 / 1968 | -22 / 1915 | 0.93 / 2006 | 4.9 / 2023 |
| 29 | 62 / 2013 | -9 / 1966 | 38 / 2013 | -20 / 1966 | 1.34 / 2001 | 3.0 / 1943 |
| 30 | 52 / 2012 | -13 / 2019 | 42 / 1988 | -25 / 2019 | 0.74 / 1938 | 6.0 / 1909 |
| 31 | 63 / 1989 | -3 / 1996 | 37 / 2012 | -31 / 2019 | 0.50 / 1915 | 5.5 / 1942 |
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