Marilyn 00Z temperature 1987 - -16.0 -26.6 -29.3 -28.4 - - - - -23.9 -15.2 - 1988 - - - -27.4 - - - - - - - - 1989 - -16.2 -22.5 - - -35.4 -31.4 -34.2 - - - - 1990 - -12.1 -19.0 - - -29.7 - - - - - - 1991 - -11.2 -27.0 -26.8 -30.8 -27.9 -35.7 -32.4 -27.2 -24.2 -14.3 -4.1 1992 -6.3 -16.7 -22.5 -32.4 -27.8 -33.8 -28.7 -33.8 -31.9 -24.3 -14.5 -5.8 1993 -6.9 -15.6 -25.4 -26.6 - - -29.2 -36.8 -30.8 -28.1 -12.4 -8.4 1994 -5.9 -16.0 -28.0 -23.5 -37.8 -30.0 -31.0 -35.5 -34.4 -22.3 -12.0 -5.6 1995 -6.8 -13.5 -27.0 -31.3 -35.4 - - - - -24.2 -13.1 -4.9 1996 -5.5 -13.5 -25.3 -23.7 -31.9 -31.8 -34.0 -27.9 -28.7 -24.6 -12.4 -4.3 1997 -5.8 -16.9 -27.3 -31.8 -29.3 -29.3 -34.4 -35.3 -29.9 -19.8 -9.4 -5.9 1998 -6.7 -11.6 -24.5 -32.4 -31.4 -23.6 -32.6 -32.0 -35.0 -22.7 -13.5 -5.7 1999 -4.9 -14.2 -25.4 -34.5 -32.0 -30.8 -28.8 -35.6 -26.5 -21.7 -10.1 -5.9 2000 -7.0 -14.7 -22.3 -27.4 -29.4 -30.9 -29.8 - - - - - 2001 - -11.3 -24.0 -27.9 -29.6 -28.5 -28.8 -38.5 -27.4 -22.9 -12.7 -4.4 2002 -4.5 -12.6 -21.0 -27.3 -26.9 -36.5 -35.5 -35.7 -26.3 -21.2 -13.5 -6.8 2003 - -11.7 -23.5 -28.2 -27.6 -29.5 -28.8 -35.8 -30.3 -20.4 - -3.5 2004 -6.1 -15.0 -26.9 -26.4 -32.2 -29.8 -40.9 -35.0 -30.5 -24.0 -10.8 - 2005 -3.3 -12.9 -23.5 -30.1 -27.2 -31.5 -30.5 -33.9 -28.2 -21.7 -11.9 -3.4 2006 -5.8 -12.2 -23.2 -33.2 -36.5 -28.2 -34.6 -27.0 -28.5 -23.8 -10.9 -4.9 2007 -2.6 -13.0 -22.9 -27.2 -26.8 -27.5 -30.2 -30.2 -26.8 -25.0 -12.0 -4.7 2008 -3.0 -14.2 -22.7 -26.2 -29.5 -25.8 -34.3 -39.7 -24.5 -21.2 -13.5 -4.3 2009 -4.3 -16.2 -25.5 -24.3 -31.8 -31.0 -30.2 -31.9 -30.9 -24.5 -9.4 -2.4 2010 -5.9 -12.4 -22.1 -27.2 -32.9 -31.8 -34.2 -32.8 -32.5 -21.3 -11.3 -4.5 2011 -4.4 -13.4 -22.4 -27.1 -28.5 -27.5 -24.9 -25.6 -29.5 -21.8 -10.1 -2.8 2012 -4.2 -11.4 -23.4 -27.0 -25.6 -33.3 -31.5 -32.3 -27.7 -21.6 -11.9 -1.7 2013 -3.4 -13.0 -21.4 -32.8 -27.0 -30.4 -33.4 -32.1 -27.0 -21.1 -12.0 -3.4 2014 -3.2 -12.9 -24.7 -29.1 -26.0 -31.1 -36.6 -26.7 -23.0 -18.1 -13.5 -8.3 2015 -6.3 -11.0 -25.7 -32.1 -32.4 -32.2 -33.9 -33.2 -34.1 -21.3 -14.9 -7.1 2016 -5.2 -15.1 -25.2 -33.2 -30.3 -33.7 -35.4 -32.7 -32.5 -24.9 -14.4 -6.9 2017 -8.0 -14.8 -22.8 -24.3 -24.8 -30.0 -32.9 -30.8 -32.2 -22.4 -16.5 -7.6 2018 - -16.5 -21.8 -26.9 -29.2 -27.3 -32.2 -35.3 -32.3 -19.6 -12.3 -5.2 2019 -8.1 -12.7 -22.7 -26.9 -27.3 -30.8 -26.7 -31.5 -28.9 -23.6 -12.8 -5.6 2020 -7.6 -11.3 -26.6 -29.9 -30.5 -32.2 -31.4 -30.3 -30.3 -23.7 - -6.4 2021 -6.3 -15.1 -25.1 -35.4 -31.9 - - - - - - - 2022 - -12.0 -21.9 -26.9 -25.0 -33.1 -27.4 -30.5 -28.7 -23.7 -18.6 -7.1 2023 -8.5 -14.5 -27.3 -28.9 -31.4 -28.5 -40.1 -40.7 -24.7 -25.7 -15.7 -8.5 2024 - -16.8 -25.5 -28.6 -31.3 -28.3 -31.7 -29.5 -33.3 - -16.7 -