| Year | Temperature |
|---|---|
| 2024 | -10 °F |
| 2023 | -8 °F |
| 2022 | -18 °F |
| 2020 | -9 °F |
| 2019 | -29 °F |
| 2018 | -13 °F |
| 2017 | -8 °F |
| 2016 | -9 °F |
| 2015 | -13 °F |
| 2014 | -20 °F |
| 2013 | -12 °F |
| 2012 | -8 °F |
| 2011 | -18 °F |
| 2010 | -9 °F |
| 2009 | -23 °F |
| 2008 | -18 °F |
| 2007 | -15 °F |
| 2006 | -17 °F |
| 2005 | -15 °F |
| 2004 | -16 °F |
| 2003 | -10 °F |
| 2002 | -8 °F |
| 2001 | -10 °F |
| 2000 | -19 °F |
| 1999 | -24 °F |
| 1998 | -9 °F |
| 1997 | -12 °F |
| 1996 | -30 °F |
| 1995 | -8 °F |
| 1994 | -32 °F |
| 1993 | -15 °F |
| 1992 | -9 °F |
| 1991 | -17 °F |
| 1990 | -15 °F |
| 1989 | -21 °F |
| 1988 | -17 °F |
| 1987 | -12 °F |
| 1986 | -21 °F |
| 1985 | -28 °F |
| 1984 | -21 °F |
| 1983 | -24 °F |
| 1982 | -27 °F |
| 1981 | -13 °F |
| 1980 | -17 °F |
| 1979 | -31 °F |
| 1978 | -15 °F |
| 1977 | -30 °F |
| 1976 | -24 °F |
| 1974 | -20 °F |
| 1973 | -18 °F |
| 1972 | -26 °F |
| 1971 | -30 °F |
| 1970 | -24 °F |
| 1969 | -20 °F |
| 1968 | -20 °F |
| 1967 | -28 °F |
| 1966 | -25 °F |
| 1965 | -23 °F |
| 1964 | -11 °F |
| 1963 | -35 °F |
| 1962 | -25 °F |
| 1961 | -13 °F |
| 1960 | -11 °F |
| 1959 | -25 °F |
| 1958 | -14 °F |
| 1957 | -17 °F |
| 1956 | -17 °F |
| 1955 | -14 °F |
| 1954 | -18 °F |
| 1953 | -10 °F |
| 1952 | -18 °F |
| 1951 | -30 °F |
| 1950 | -21 °F |
| 1949 | -19 °F |
| 1948 | -21 °F |
| 1946 | -15 °F |
| 1945 | -14 °F |
| 1944 | -11 °F |
| 1943 | -28 °F |
| 1942 | -22 °F |
| 1941 | -12 °F |
| 1940 | -20 °F |
| 1939 | -7 °F |
| 1938 | -14 °F |
| 1937 | -16 °F |
| 1936 | -31 °F |
| 1935 | -25 °F |
| 1934 | -15 °F |
| 1933 | -25 °F |
| 1932 | -21 °F |
| 1931 | -10 °F |
| 1930 | -33 °F |
| 1929 | -36 °F |
| 1928 | -15 °F |
| 1927 | -19 °F |
| 1926 | -18 °F |
| 1925 | -16 °F |
| 1924 | -26 °F |
| 1923 | -20 °F |
| 1922 | -19 °F |
| 1921 | -12 °F |
| 1920 | -22 °F |
| 1919 | -27 °F |
| 1918 | -37 °F |
| 1917 | -28 °F |
| 1916 | -28 °F |
| 1915 | -23 °F |
| 1914 | -22 °F |
| 1913 | -17 °F |
| 1912 | -30 °F |
| 1911 | -25 °F |
| 1910 | -32 °F |
| 1909 | -25 °F |
| 1908 | -13 °F |
| 1907 | -25 °F |
| 1906 | -23 °F |
| 1905 | -25 °F |
| 1904 | -28 °F |
| 1903 | -20 °F |
| 1902 | -21 °F |
| 1901 | -20 °F |
| 1900 | -13 °F |
| 1899 | -27 °F |
| 1898 | -15 °F |
| 1897 | -23 °F |
| Years | Station | Coordinates |
|---|---|---|
| 1889–2024 | Portage WWTP | location |