| Year | Temperature (°F) | to Normal (°F) |
|---|---|---|
| 2022 | 61.3 | 3.2 |
| 2021 | 55.8 | -2.3 |
| 2020 | 63.7 | 5.5 |
| 2019 | 55.9 | -2.2 |
| 2018 | 56.0 | -2.1 |
| 2017 | 60.0 | 1.9 |
| 2016 | 60.6 | 2.4 |
| 2015 | 63.6 | 5.5 |
| 2014 | 52.3 | -5.9 |
| 2013 | 57.0 | -1.1 |
| 2012 | 55.4 | -2.7 |
| 2011 | 58.0 | -0.1 |
| 2010 | 57.3 | -0.8 |
| 2009 | 55.4 | -2.8 |
| 2008 | 55.1 | -3.0 |
| 2007 | 56.9 | -1.3 |
| 2006 | 55.6 | -2.6 |
| 2005 | 59.8 | 1.7 |
| 2004 | 61.8 | 3.6 |
| 2003 | 60.7 | 2.5 |
| 2002 | 54.1 | -4.0 |
| 2001 | 62.1 | 3.9 |
| 2000 | 55.8 | -2.3 |
| 1999 | 56.4 | -1.8 |
| 1998 | 62.0 | 3.9 |
| 1997 | 54.2 | -4.0 |
| 1996 | 59.1 | 0.9 |
| 1995 | 56.5 | -1.7 |
| 1994 | 63.2 | 5.1 |
| 1993 | 57.4 | -0.7 |
| 1992 | 57.9 | -0.3 |
| 1991 | 54.6 | -3.5 |
| 1990 | 60.4 | 2.2 |
| 1989 | 58.5 | 0.3 |
| 1983 | 56.6 | -1.5 |
| 1982 | 60.2 | 2.0 |
| 1981 | 59.1 | 1.0 |
| 1980 | 57.2 | -1.0 |
| 1979 | 56.5 | -1.6 |
| 1978 | 63.2 | 5.0 |
| 1977 | 60.1 | 2.0 |
| 1976 | 49.5 | -8.7 |
| 1975 | 58.2 | 0.0 |
| 1951 | 53.6 | -4.6 |
| 1950 | 53.6 | -4.5 |
| 1949 | 56.7 | -1.4 |
| 1948 | 62.3 | 4.1 |