| Year | Temperature |
|---|---|
| 2024 | -12 °F |
| 2023 | 1 °F |
| 2022 | -8 °F |
| 2021 | -11 °F |
| 2020 | -7 °F |
| 2019 | -18 °F |
| 2018 | -15 °F |
| 2017 | -11 °F |
| 2016 | -9 °F |
| 2015 | -9 °F |
| 2014 | -19 °F |
| 2013 | -8 °F |
| 2012 | 6 °F |
| 2011 | -9 °F |
| 2010 | -8 °F |
| 2009 | -14 °F |
| 2008 | -5 °F |
| 2007 | -4 °F |
| 2006 | -4 °F |
| 2005 | -2 °F |
| 2004 | -7 °F |
| 2003 | -4 °F |
| 2002 | -1 °F |
| 2001 | -8 °F |
| 2000 | -9 °F |
| 1999 | -16 °F |
| 1998 | -6 °F |
| 1997 | -11 °F |
| 1996 | -20 °F |
| 1995 | -1 °F |
| 1994 | -15 °F |
| 1993 | -1 °F |
| 1992 | -2 °F |
| 1991 | -4 °F |
| 1990 | -4 °F |
| 1989 | -19 °F |
| 1988 | -10 °F |
| 1987 | -1 °F |
| 1986 | -5 °F |
| 1985 | -21 °F |
| 1984 | -12 °F |
| 1983 | -19 °F |
| 1981 | -11 °F |
| 1980 | -4 °F |
| 1979 | -21 °F |
| 1978 | -18 °F |
| 1977 | -20 °F |
| 1976 | -13 °F |
| 1974 | -22 °F |
| 1972 | -15 °F |
| 1971 | -8 °F |
| 1970 | -18 °F |
| 1969 | -12 °F |
| 1968 | -12 °F |
| 1967 | -8 °F |
| 1966 | -18 °F |
| 1964 | -6 °F |
| 1963 | -20 °F |
| 1962 | -16 °F |
| 1961 | -8 °F |
| 1960 | -10 °F |
| 1959 | -16 °F |
| 1958 | -14 °F |
| 1957 | -17 °F |
| 1956 | -3 °F |
| 1955 | -14 °F |
| 1954 | -6 °F |
| 1953 | -2 °F |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Fort Madison | location |