| Year | Temperature |
|---|---|
| 2024 | 3 °F |
| 2023 | 10 °F |
| 2022 | -4 °F |
| 2021 | 6 °F |
| 2020 | 9 °F |
| 2019 | 1 °F |
| 2018 | -1 °F |
| 2017 | 8 °F |
| 2016 | 5 °F |
| 2015 | -3 °F |
| 2014 | -5 °F |
| 2013 | 10 °F |
| 2012 | 10 °F |
| 2011 | 0 °F |
| 2010 | 4 °F |
| 2009 | -4 °F |
| 2008 | 6 °F |
| 2007 | 3 °F |
| 2006 | 10 °F |
| 2005 | 0 °F |
| 2004 | 2 °F |
| 2003 | 5 °F |
| 2002 | 6 °F |
| 2001 | 10 °F |
| 2000 | 6 °F |
| 1999 | 4 °F |
| 1998 | 8 °F |
| 1997 | 1 °F |
| 1996 | -2 °F |
| 1995 | 4 °F |
| 1994 | -17 °F |
| 1993 | 3 °F |
| 1992 | 6 °F |
| 1991 | 10 °F |
| 1990 | 7 °F |
| 1989 | -6 °F |
| 1988 | -3 °F |
| 1987 | -2 °F |
| 1986 | 6 °F |
| 1985 | -14 °F |
| 1984 | -15 °F |
| 1983 | 0 °F |
| 1981 | -6 °F |
| 1978 | -4 °F |
| 1977 | -8 °F |
| 1976 | -1 °F |
| 1975 | 1 °F |
| 1974 | 5 °F |
| 1973 | 1 °F |
| 1972 | -2 °F |
| 1971 | -1 °F |
| 1969 | 8 °F |
| 1968 | -12 °F |
| 1967 | -8 °F |
| 1966 | -6 °F |
| 1965 | -4 °F |
| 1964 | -9 °F |
| 1963 | -8 °F |
| 1962 | -1 °F |
| 1961 | -12 °F |
| 1960 | -16 °F |
| 1959 | 0 °F |
| 1958 | -1 °F |
| 1957 | -2 °F |
| 1956 | 11 °F |
| 1955 | -8 °F |
| 1954 | 0 °F |
| 1953 | 13 °F |
| 1952 | 8 °F |
| 1951 | -8 °F |
| 1950 | -7 °F |
| 1949 | 1 °F |
| 1948 | -14 °F |
| 1947 | 2 °F |
| 1946 | -4 °F |
| 1944 | 2 °F |
| 1943 | -1 °F |
| 1942 | -6 °F |
| 1941 | 5 °F |
| 1940 | 1 °F |
| 1939 | 7 °F |
| Years | Station | Coordinates |
|---|---|---|
| 1938–2024 | Lewistown | location |