| Year | Temperature |
|---|---|
| 2021 | 37 °F |
| 2020 | 35 °F |
| 2019 | 39 °F |
| 2018 | 30 °F |
| 2017 | 37 °F |
| 2016 | 37 °F |
| 2015 | 31 °F |
| 2014 | 35 °F |
| 2013 | 32 °F |
| 2012 | 29 °F |
| 2011 | 32 °F |
| 2010 | 27 °F |
| 2009 | 26 °F |
| 2008 | 30 °F |
| 2007 | 32 °F |
| 2006 | 31 °F |
| 2005 | 34 °F |
| 2004 | 34 °F |
| 2003 | 29 °F |
| 2002 | 33 °F |
| 2001 | 29 °F |
| 2000 | 30 °F |
| 1999 | 29 °F |
| 1998 | 39 °F |
| 1997 | 29 °F |
| 1996 | 27 °F |
| 1995 | 29 °F |
| 1994 | 37 °F |
| 1993 | 34 °F |
| 1992 | 33 °F |
| 1991 | 34 °F |
| 1990 | 40 °F |
| 1989 | 25 °F |
| 1988 | 32 °F |
| 1987 | 33 °F |
| 1986 | 28 °F |
| 1985 | 26 °F |
| 1984 | 34 °F |
| 1983 | 27 °F |
| 1982 | 23 °F |
| 1981 | 25 °F |
| 1980 | 29 °F |
| 1979 | 29 °F |
| 1978 | 28 °F |
| 1977 | 26 °F |
| 1976 | 31 °F |
| 1974 | 34 °F |
| 1973 | 31 °F |
| 1972 | 35 °F |
| 1971 | 27 °F |
| 1970 | 28 °F |
| 1969 | 36 °F |
| 1968 | 30 °F |
| 1967 | 28 °F |
| 1963 | 39 °F |
| 1962 | 25 °F |
| 1961 | 35 °F |
| 1960 | 35 °F |
| 1959 | 35 °F |
| 1958 | 33 °F |
| 1957 | 29 °F |
| 1956 | 35 °F |
| 1955 | 32 °F |
| 1954 | 37 °F |
| 1953 | 38 °F |
| 1952 | 38 °F |
| 1951 | 34 °F |
| 1950 | 35 °F |
| 1949 | 40 °F |
| 1948 | 32 °F |
| 1947 | 32 °F |
| 1946 | 41 °F |
| 1945 | 39 °F |
| 1943 | 35 °F |
| 1942 | 31 °F |
| 1941 | 36 °F |
| 1940 | 29 °F |
| 1939 | 38 °F |
| 1938 | 37 °F |
| 1937 | 33 °F |
| 1936 | 35 °F |
| 1935 | 32 °F |
| 1934 | 28 °F |
| 1933 | 43 °F |
| 1932 | 42 °F |
| 1931 | 35 °F |
| 1930 | 37 °F |
| 1929 | 36 °F |
| 1928 | 27 °F |
| 1927 | 30 °F |
| 1925 | 37 °F |
| 1924 | 38 °F |
| 1923 | 38 °F |
| 1922 | 37 °F |
| 1920 | 22 °F |
| 1916 | 34 °F |
| 1915 | 38 °F |