| Year | Temperature (°C) | to Normal (°C) |
|---|---|---|
| 2022 | 3.6 | -0.4 |
| 2021 | 5.3 | 1.3 |
| 2020 | 5.2 | 1.2 |
| 2019 | 5.6 | 1.7 |
| 2018 | 5.6 | 1.7 |
| 2017 | 4.5 | 0.5 |
| 2016 | 4.3 | 0.3 |
| 2015 | 9.5 | 5.6 |
| 2014 | 4.2 | 0.2 |
| 2013 | 5.5 | 1.6 |
| 2012 | 4.7 | 0.8 |
| 2011 | 6.0 | 2.0 |
| 2010 | -1.7 | -5.7 |
| 2009 | 1.5 | -2.5 |
| 2008 | 2.1 | -1.9 |
| 2007 | 3.6 | -0.4 |
| 2006 | 6.0 | 2.0 |
| 2005 | 3.5 | -0.5 |
| 2004 | 2.6 | -1.4 |
| 2003 | 3.8 | -0.2 |
| 2002 | 3.3 | -0.7 |
| 2001 | 2.0 | -1.9 |
| 2000 | 4.8 | 0.8 |
| 1999 | 4.3 | 0.3 |
| 1998 | 4.4 | 0.4 |
| 1997 | 4.5 | 0.6 |
| 1996 | 0.3 | -3.6 |
| 1995 | -0.9 | -4.9 |
| 1994 | 4.9 | 0.9 |
| 1993 | 5.2 | 1.2 |
| 1992 | 3.8 | -0.2 |
| 1991 | 3.3 | -0.6 |
| 1990 | 3.5 | -0.5 |
| 1989 | 4.6 | 0.7 |
| 1988 | 7.1 | 3.2 |
| 1987 | 4.1 | 0.1 |
| 1986 | 5.3 | 1.4 |
| 1985 | 5.5 | 1.6 |
| 1984 | 4.2 | 0.2 |
| 1983 | 3.5 | -0.4 |
| 1982 | 3.4 | -0.6 |
| 1981 | -0.3 | -4.3 |
| 1980 | 3.3 | -0.7 |
| 1979 | 5.8 | 1.8 |
| 1978 | 2.1 | -1.9 |
| 1977 | 4.5 | 0.6 |
| 1976 | 1.0 | -2.9 |
| 1975 | 2.9 | -1.1 |
| 1974 | 7.0 | 3.1 |
| 1973 | 2.7 | -1.3 |
| 1972 | 3.4 | -0.5 |
| 1971 | 5.0 | 1.1 |
| 1970 | 1.7 | -2.2 |
| 1969 | -1.2 | -5.2 |
| 1968 | -0.4 | -4.4 |
| 1967 | 2.6 | -1.4 |
| 1965 | 4.5 | 0.5 |
| 1964 | 2.0 | -1.9 |
| 1963 | -1.6 | -5.6 |