Marion 12Z 150hPa temperature 1966 - - - - - - - - - - - - 1967 - - - - -57.6 -56.2 -55.5 - - - -50.9 - 1968 - - - - - - - - -55.2 - - -49.1 1969 - - - - - - - - - - - - 1970 - - - -59.7 -58.6 -58.4 -56.0 -55.6 -55.6 -56.3 -50.4 -54.3 1971 - - -55.8 - - -56.2 - - -53.5 - - - 1972 - - - - - - - - - - - - 1973 - -55.3 -53.2 -57.9 - -56.3 -59.5 -54.9 -53.1 - - - 1974 -55.2 -55.7 -57.9 -57.2 -57.5 -57.5 -56.5 -55.9 -48.9 -47.7 -48.2 - 1975 -45.5 -50.0 -51.3 -57.2 -55.7 - -52.3 -50.9 -53.5 -54.2 -51.0 -52.3 1976 -51.6 -54.2 -54.9 -55.4 -58.4 -56.3 -57.4 -55.4 -55.3 - - -50.8 1977 -51.2 -52.9 -55.2 -55.0 -56.4 -54.2 -54.3 -53.1 -52.0 -52.8 -52.6 -52.3 1978 -52.2 -51.0 -53.7 -54.8 -53.1 -54.1 -57.8 -54.6 -52.4 -52.5 -50.8 -52.0 1979 -50.6 -52.1 -53.9 -54.3 -52.3 -54.8 -58.9 -55.9 -52.5 -49.2 -50.8 -51.7 1980 -51.8 -51.9 -55.9 -54.2 -54.1 -54.8 -56.2 -56.5 -54.1 -51.8 -50.9 -52.4 1981 -50.6 -54.8 -54.0 -55.7 -57.5 -56.0 -57.7 -56.5 -51.9 -51.7 -53.8 -53.0 1982 -52.5 -52.7 -54.4 -56.0 -56.2 -58.8 -56.6 -56.8 -53.9 -55.2 -50.1 -51.6 1983 -51.6 -54.4 -54.3 -55.5 -55.7 -55.8 -57.1 -55.7 -52.5 -54.3 -55.0 -53.9 1984 -53.1 -55.8 -55.3 -56.2 -54.0 -56.0 -57.0 -54.0 -54.2 -53.8 -52.1 -50.1 1985 -53.7 -54.7 -54.8 -56.8 -55.7 -59.1 -56.7 -55.6 -56.9 -58.7 -57.7 -55.5 1986 -55.0 -55.6 -55.4 -57.3 -54.8 -55.7 -58.7 -55.9 -54.4 -52.1 -54.9 -53.4 1987 -51.0 -53.6 -54.7 -54.5 -54.9 -57.1 -56.5 -57.3 -53.4 -55.2 -53.3 -53.8 1988 -51.9 -52.7 -54.8 -56.9 -52.9 -56.5 -54.2 -52.1 -49.1 -49.0 -53.0 -52.6 1989 -53.5 -56.6 -57.2 -55.3 -55.6 -56.5 -58.8 -57.6 -54.1 -55.1 -56.6 -53.0 1990 -53.9 -55.0 -54.9 -55.5 -50.9 -54.1 -55.9 -56.5 -56.9 -52.0 -52.2 -52.5 1991 -53.9 -53.5 -55.0 -56.2 -58.3 -57.4 -54.6 -53.7 -54.9 -50.1 -55.4 -54.2 1992 -52.5 -56.3 -57.0 -56.0 -53.4 -51.1 -52.8 -56.0 -54.8 -55.9 -53.5 -53.3 1993 -53.6 -57.4 -57.7 -57.6 -55.8 -58.5 -57.5 -57.4 -54.3 -54.3 -55.6 -55.9 1994 -55.3 -57.2 -59.6 -58.7 -59.0 -54.6 -56.4 -57.2 -56.9 -52.5 -52.7 -55.6 1995 -55.2 -53.4 -54.9 -53.9 -57.9 -56.8 -56.4 -55.8 -54.6 -55.4 -54.5 -58.0 1996 -54.6 -55.5 -56.2 -58.0 -59.5 -54.0 -56.3 -53.6 -52.6 -57.9 -54.2 -56.1 1997 -55.4 -55.4 -55.3 -57.5 -58.2 -58.7 -57.6 -55.3 -56.0 -56.9 -52.6 -55.6 1998 -54.0 -53.9 -56.5 -58.0 -58.1 -55.0 -57.8 -56.2 -54.6 -55.0 -56.3 -55.5 1999 -56.4 -54.0 -57.0 -57.4 -57.7 -58.3 -58.5 -57.8 -54.8 -56.7 -56.2 -55.9 2000 -54.3 -56.9 -57.4 -58.3 -57.4 -57.9 -58.6 -57.0 -50.9 -56.1 -57.7 -51.5 2001 -55.7 -57.2 -53.7 -57.4 -56.2 -57.0 -57.4 -59.0 -56.7 -57.4 -56.3 -52.9 2002 -55.3 -54.6 -55.9 -58.9 -55.1 -54.1 -55.6 -58.9 -56.2 -53.5 -55.9 -55.0 2003 -52.3 -55.1 -57.2 - - - - - - - -53.2 -54.7 2004 -54.2 -54.6 -54.1 -56.3 -56.6 -60.5 -59.0 -56.6 -54.1 -58.2 -54.8 -55.9 2005 -54.9 - - -58.0 -56.2 -55.0 -57.1 -54.1 -55.3 -56.3 -57.5 -50.5 2006 -53.2 -54.4 -54.1 -55.0 - - - - -56.6 -59.7 -54.4 -55.4 2007 -55.1 -56.6 -58.3 -57.8 -53.5 -57.3 -55.4 -54.1 -54.9 -56.3 -51.7 -55.2 2008 -53.0 -54.2 -55.7 -54.5 -57.8 -57.2 -57.7 -57.1 -55.9 -55.6 -54.5 -55.0 2009 -54.2 -55.9 -55.9 -57.0 -59.5 -58.3 -60.6 -59.0 -54.0 -59.3 -51.9 -53.2 2010 -54.7 -56.0 -55.1 -54.9 -55.9 -57.3 -56.6 -56.2 -55.9 -55.9 - - 2011 - - - -57.1 -58.1 -57.9 -59.5 -57.2 -53.2 -53.0 -55.2 -56.1 2012 -55.6 -53.1 -56.7 -56.5 -57.0 -55.8 -55.4 -56.0 - - - - 2013 -52.1 -54.0 -54.9 - - - - - - - - - 2014 - - - -55.9 - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - -58.8 -56.9 -58.5 -55.2 -53.4 -54.8 -54.9 -53.7 2017 -54.2 -55.0 -54.9 -58.8 -59.7 -54.0 -55.9 -55.7 -52.1 -55.0 -55.6 -52.2 2018 -56.3 -55.4 -54.9 -55.4 -57.3 -55.6 -59.6 -57.0 -56.9 -55.5 -55.0 -55.1 2019 -53.1 -55.3 -55.2 -57.3 -59.3 -58.7 -53.5 -54.1 -53.4 -54.8 -54.1 -55.2 2020 -52.9 -54.0 - -54.2 - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - -57.1 -56.8 -54.7 - -54.3 -53.5 -55.2 2024 -55.5 -57.3 - - - - - - - - - -