| Year | Temperature |
|---|---|
| 2024 | -18 °F |
| 2023 | -7 °F |
| 2022 | -14 °F |
| 2021 | -5 °F |
| 2020 | -2 °F |
| 2019 | -6 °F |
| 2018 | -5 °F |
| 2017 | -6 °F |
| 2016 | -10 °F |
| 2013 | -15 °F |
| 2012 | -2 °F |
| 2011 | -16 °F |
| 2010 | -7 °F |
| 2009 | -15 °F |
| 2008 | -11 °F |
| 2007 | -14 °F |
| 2006 | -14 °F |
| 2005 | -12 °F |
| 2004 | -14 °F |
| 2003 | -12 °F |
| 2002 | -11 °F |
| 2001 | -15 °F |
| 2000 | -3 °F |
| 1999 | -1 °F |
| 1998 | -12 °F |
| 1997 | -12 °F |
| 1996 | -16 °F |
| 1995 | -8 °F |
| 1994 | -13 °F |
| 1993 | -10 °F |
| 1990 | -26 °F |
| 1989 | -25 °F |
| 1988 | -8 °F |
| 1986 | -8 °F |
| 1984 | -22 °F |
| 1982 | -29 °F |
| 1981 | -18 °F |
| 1979 | -19 °F |
| 1977 | -14 °F |
| 1976 | -18 °F |
| 1975 | -22 °F |
| 1974 | -22 °F |
| 1973 | -15 °F |
| 1972 | -26 °F |
| 1970 | -18 °F |
| 1969 | -12 °F |
| 1968 | -16 °F |
| 1967 | -14 °F |
| 1966 | -16 °F |
| 1965 | -14 °F |
| 1964 | -18 °F |
| 1963 | -35 °F |
| 1928 | -18 °F |
| 1927 | -25 °F |
| 1924 | -27 °F |
| 1923 | -28 °F |
| 1922 | -18 °F |
| 1921 | -7 °F |
| 1917 | -16 °F |
| 1916 | -22 °F |
| 1915 | -19 °F |
| 1914 | -17 °F |
| 1913 | -37 °F |
| 1912 | -20 °F |
| 1911 | -31 °F |
| 1910 | -17 °F |
| 1909 | -28 °F |
| 1908 | -13 °F |
| 1907 | -12 °F |
| 1906 | -20 °F |
| 1903 | -19 °F |
| 1902 | -23 °F |
| 1901 | -22 °F |
| 1900 | -29 °F |
| 1899 | -32 °F |
| 1896 | -13 °F |
| 1893 | -3 °F |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Castle Rock | location |