| Year | Temperature (°F) | to Normal (°F) |
|---|---|---|
| 2022 | 62.1 | -0.7 |
| 2021 | 67.5 | 4.8 |
| 2020 | 59.5 | -3.3 |
| 2019 | 64.9 | 2.1 |
| 2018 | 62.8 | 0.1 |
| 2017 | 65.4 | 2.6 |
| 2016 | 68.0 | 5.2 |
| 2015 | 71.7 | 8.9 |
| 2014 | 63.2 | 0.4 |
| 2013 | 66.4 | 3.7 |
| 2012 | 63.1 | 0.3 |
| 2011 | 65.0 | 2.3 |
| 2010 | 51.3 | -11.4 |
| 2009 | 63.1 | 0.4 |
| 2008 | 63.2 | 0.4 |
| 2007 | 66.4 | 3.6 |
| 2006 | 66.2 | 3.5 |
| 2005 | 58.2 | -4.5 |
| 2004 | 61.3 | -1.4 |
| 2002 | 58.3 | -4.5 |
| 2000 | 59.4 | -3.4 |
| 1999 | 62.0 | -0.8 |
| 1998 | 66.2 | 3.4 |
| 1997 | 61.1 | -1.7 |
| 1994 | 64.4 | 1.6 |
| 1993 | 57.3 | -5.5 |
| 1992 | 60.8 | -2.0 |
| 1991 | 63.5 | 0.8 |
| 1990 | 63.7 | 0.9 |
| 1989 | 53.4 | -9.4 |
| 1988 | 60.3 | -2.4 |
| 1987 | 60.8 | -1.9 |
| 1983 | 61.5 | -1.2 |
| 1982 | 66.4 | 3.6 |
| 1981 | 57.1 | -5.6 |
| 1980 | 57.8 | -4.9 |
| 1979 | 60.3 | -2.5 |
| 1978 | 64.7 | 1.9 |
| 1977 | 58.8 | -4.0 |
| 1976 | 57.7 | -5.1 |
| 1975 | 59.3 | -3.5 |
| 1974 | 60.1 | -2.6 |
| 1973 | 59.6 | -3.2 |
| 1972 | 64.6 | 1.9 |
| 1971 | 69.6 | 6.8 |
| 1970 | 64.0 | 1.2 |
| 1969 | 58.0 | -4.8 |
| 1968 | 59.0 | -3.7 |
| 1967 | 66.1 | 3.3 |
| 1966 | 59.3 | -3.5 |
| 1965 | 61.9 | -0.8 |
| 1964 | 64.3 | 1.5 |
| 1963 | 56.4 | -6.4 |
| 1962 | 57.0 | -5.8 |
| 1961 | 63.3 | 0.5 |
| 1960 | 56.4 | -6.3 |
| 1959 | 60.5 | -2.3 |
| 1958 | 60.3 | -2.4 |
| 1957 | 58.9 | -3.9 |
| 1956 | 64.5 | 1.7 |
| 1955 | 61.2 | -1.6 |
| 1954 | 56.1 | -6.7 |
| 1953 | 63.1 | 0.3 |
| 1952 | 57.1 | -5.7 |
| 1951 | 64.5 | 1.8 |
| 1950 | 56.8 | -6.0 |
| 1949 | 63.7 | 1.0 |
| 1948 | 67.6 | 4.8 |