Dumont_durville 00Z 500hPa temperature 1958 - - -29.9 - - -41.1 - - - - - - 1959 - - - - - - - - - - - - 1960 - - - - - - - - - - - - 1961 - - - -34.3 - - - - - - - - 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - - - - - - - - - - - - 1967 - - - - - - - - - - - - 1968 - - - - - - - - - - - - 1969 - - - - - - - - - - - - 1970 - - - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 - - - - - - - - - - - - 1975 -26.5 -31.7 - - -34.8 -34.9 -35.0 -37.9 -40.3 -36.0 -30.1 -30.6 1976 -28.2 - - - - - - - -35.1 - - - 1977 - - - - - - - - - - - - 1978 -28.8 -29.0 -33.5 -33.6 -33.7 -33.7 -35.2 -36.8 -35.6 -35.6 -33.3 -27.7 1979 -29.1 - - - - -35.8 -37.0 -35.7 -38.2 - - -28.0 1980 -28.4 -31.5 -29.5 -30.6 -35.1 -34.1 -31.6 -34.1 -33.3 -37.4 -30.8 -28.4 1981 -29.3 -29.5 -29.5 -31.5 -36.3 -33.3 -35.0 -33.7 -34.0 -35.8 -33.7 -31.1 1982 -27.8 -29.6 -32.1 -35.0 -30.8 -31.8 -33.2 -38.6 -38.5 -33.8 -34.1 -29.7 1983 -27.3 -30.6 -34.0 -33.8 -32.9 -31.6 -38.1 -37.1 -35.1 -36.5 -35.0 -29.6 1984 -27.6 -29.1 -28.3 -34.1 -30.4 -37.9 -38.1 -34.2 -37.0 -34.5 -34.2 -26.6 1985 -27.2 -32.0 -30.5 -30.7 -36.8 -34.8 -37.1 -38.2 -38.2 -34.5 -32.8 -29.2 1986 -28.4 -22.9 -29.4 -34.5 -36.1 -38.9 -37.1 -36.9 -37.3 -34.6 -32.4 -29.3 1987 -27.6 -28.8 -34.3 -34.8 -36.3 -34.0 -36.7 -38.7 -37.9 -33.8 -32.9 -29.8 1988 -27.3 -31.0 -33.4 -32.5 -34.1 -35.8 -36.0 -36.6 -34.2 -34.4 -34.6 -30.3 1989 -30.5 -30.5 -35.4 -33.3 -37.3 -38.5 -35.9 -36.7 -33.2 -32.8 -36.4 -26.7 1990 -26.8 -30.4 -32.7 -33.4 -37.0 -38.7 -33.3 -37.0 -36.0 -37.9 -30.2 -28.5 1991 -27.7 -28.1 -32.0 -30.8 -36.5 -32.4 -35.3 -33.9 -36.7 -35.6 -31.5 -29.0 1992 -26.7 -28.6 -30.5 -34.1 -35.0 -33.1 -35.7 -33.1 -39.4 -37.1 -32.8 -30.2 1993 -27.3 -27.5 -30.4 -33.8 -37.7 -38.4 -35.3 -36.9 -35.6 -37.8 -34.7 -30.2 1994 -30.0 -30.0 -31.5 -36.9 -36.7 -33.0 -34.6 -39.6 -34.7 -35.4 -34.4 -31.7 1995 -30.6 -30.3 -32.7 -32.6 -36.9 -33.9 -34.5 -34.4 -37.9 -37.5 -31.5 -32.5 1996 -27.8 -30.7 -30.3 -31.0 -37.3 -35.2 -33.0 -34.7 -34.5 -36.6 -31.6 -30.5 1997 -28.3 -31.1 -32.9 -36.0 -34.4 -33.0 -37.4 -39.3 -36.6 -36.8 -32.9 -30.2 1998 -30.0 -29.1 -34.2 -34.9 -35.2 -34.3 -39.2 -35.4 -35.7 -35.2 -31.4 -29.6 1999 -31.0 -29.0 -33.0 -34.9 -36.3 -36.7 -36.5 -36.2 -36.9 -34.1 -34.4 -31.6 2000 -30.7 -30.2 -32.2 -36.7 -37.8 -34.1 -33.5 -35.3 -33.0 -36.5 -29.0 -30.1 2001 -27.0 -30.1 -30.5 -33.5 -32.1 -35.9 -34.0 -37.4 -36.4 -35.8 -34.5 -30.2 2002 -28.4 -28.3 -29.6 -33.0 -32.3 -33.0 -33.2 -35.5 -35.2 -34.8 -32.7 -30.6 2003 -27.3 -29.8 -31.4 -33.3 -37.0 -38.1 -35.8 -36.8 -36.0 -37.2 -33.9 -29.8 2004 -28.2 -29.1 -32.9 -34.3 -34.5 -34.4 -39.9 -34.5 -39.1 -36.0 -32.8 -29.1 2005 -27.1 -30.8 -32.6 -34.7 -34.8 -35.3 -37.2 -36.6 -34.2 -33.9 -32.7 -26.3 2006 -29.8 -30.9 -31.7 -31.4 -37.9 -37.6 -36.9 -36.2 -37.7 -35.4 -33.6 -29.7 2007 -29.0 -28.5 -28.2 -32.0 -34.5 -35.4 -34.6 -34.6 -36.5 -36.0 -31.3 -31.1 2008 -30.1 -30.8 -34.1 -33.3 -33.0 -37.3 -36.2 -36.6 -35.4 -36.4 -30.4 -29.5 2009 -28.2 -27.0 -30.4 -34.9 -33.4 -34.8 -32.8 -35.4 -33.8 -35.7 -32.9 -30.5 2010 -28.0 -29.6 -31.3 -33.8 -35.6 -35.2 -36.8 -38.0 -38.7 -34.9 -32.7 -27.6 2011 -27.5 -33.6 -30.3 -32.1 -36.9 -35.5 -37.0 -34.9 -33.9 -35.6 -35.0 -30.6 2012 -29.0 -30.5 -31.9 -32.1 -35.1 -34.2 -38.9 -34.5 -35.7 -34.3 -31.7 -27.6 2013 -29.2 -30.0 -33.7 -34.4 -34.3 -34.8 -37.2 -35.1 -31.9 -36.8 -32.9 -28.8 2014 -27.3 -29.3 -31.8 -34.4 -36.6 -36.5 -34.6 -37.3 -35.4 -35.5 -29.4 -30.9 2015 -27.3 -29.9 -32.8 -35.8 -34.5 -34.6 -37.3 -36.7 -35.9 -38.8 -34.2 -30.2 2016 -31.7 -30.9 -33.2 -34.1 -31.0 -36.9 -37.0 -35.4 -35.2 -32.3 -30.9 -30.5 2017 -29.1 -27.1 -32.4 -34.3 -33.2 -38.1 -37.2 -38.2 -35.7 -33.9 -33.7 -28.7 2018 -28.6 -28.3 -32.7 -30.6 -35.4 -35.1 -35.5 -38.1 -36.7 -34.8 -32.5 - 2019 -29.7 -29.8 -30.8 -32.5 -34.8 -33.5 - -39.5 -35.6 -35.3 -32.5 -28.6 2020 -27.3 -29.6 - -30.5 -34.4 -35.3 - -36.5 -35.7 -36.3 -33.4 -29.6 2021 -30.0 - -31.6 -34.8 -36.6 - - -34.4 -34.4 -32.9 -35.9 -29.3 2022 -30.0 -28.6 -31.0 -35.0 -33.4 -35.7 -34.0 -37.7 -34.6 -34.2 -31.8 -29.9 2023 -29.6 -30.2 -30.8 -32.8 -35.6 -35.2 -36.1 -36.9 -35.8 -36.5 -33.7 -30.2 2024 -29.3 -31.5 -31.2 -36.7 - - - - - - - -