| Year | Temperature |
|---|---|
| 2024 | 36 °F |
| 2023 | 34 °F |
| 2022 | 29 °F |
| 2021 | 34 °F |
| 2020 | 31 °F |
| 2019 | 36 °F |
| 2018 | 25 °F |
| 2017 | 33 °F |
| 2016 | 34 °F |
| 2015 | 30 °F |
| 2014 | 32 °F |
| 2013 | 33 °F |
| 2012 | 29 °F |
| 2011 | 29 °F |
| 2010 | 23 °F |
| 2009 | 27 °F |
| 2008 | 26 °F |
| 2007 | 30 °F |
| 2006 | 28 °F |
| 2005 | 29 °F |
| 2004 | 34 °F |
| 2003 | 27 °F |
| 2002 | 28 °F |
| 2001 | 24 °F |
| 2000 | 26 °F |
| 1999 | 26 °F |
| 1998 | 36 °F |
| 1997 | 26 °F |
| 1996 | 24 °F |
| 1994 | 35 °F |
| 1993 | 32 °F |
| 1992 | 32 °F |
| 1991 | 31 °F |
| 1990 | 39 °F |
| 1989 | 21 °F |
| 1988 | 30 °F |
| 1987 | 30 °F |
| 1986 | 23 °F |
| 1985 | 20 °F |
| 1984 | 33 °F |
| 1983 | 22 °F |
| 1982 | 24 °F |
| 1981 | 22 °F |
| 1980 | 25 °F |
| 1979 | 27 °F |
| 1978 | 29 °F |
| 1977 | 25 °F |
| 1976 | 29 °F |
| 1975 | 30 °F |
| 1974 | 31 °F |
| 1973 | 30 °F |
| 1972 | 34 °F |
| 1971 | 26 °F |
| 1970 | 25 °F |
| 1969 | 33 °F |
| 1968 | 27 °F |
| 1967 | 28 °F |
| 1966 | 26 °F |
| 1965 | 30 °F |
| 1964 | 27 °F |
| 1963 | 34 °F |
| 1962 | 20 °F |
| 1961 | 30 °F |
| 1960 | 30 °F |
| 1959 | 30 °F |
| 1958 | 28 °F |
| 1957 | 25 °F |
| 1956 | 32 °F |
| 1955 | 30 °F |
| 1954 | 34 °F |
| 1953 | 36 °F |
| 1952 | 34 °F |
| 1951 | 30 °F |
| 1950 | 30 °F |
| 1949 | 34 °F |