Elaine 18Z temperature 1986 - -14.6 -25.5 -25.4 -28.2 -32.7 -33.6 -36.6 -45.9 -25.8 -16.5 -9.4 1987 -6.5 -21.0 -33.0 -34.9 -28.1 -27.3 -32.5 -35.9 -34.7 -27.0 -18.6 -7.9 1988 -9.0 -19.8 -28.5 -29.1 -28.2 -33.1 -31.3 -24.7 - - - - 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - -16.7 -28.4 -26.1 -33.9 -28.2 -26.8 -40.8 - -27.0 -12.6 -10.7 1994 -9.2 -17.9 -27.8 -22.7 -36.2 -30.3 -31.6 -34.5 -40.5 -24.1 -13.2 -6.1 1995 -8.4 -15.4 -28.8 -30.7 -36.5 -25.9 -37.1 -33.1 -28.8 -25.7 -14.0 -5.4 1996 -7.5 -17.1 -31.7 -20.3 -33.7 -29.4 -35.7 -27.1 -29.2 -26.3 -14.2 -5.9 1997 -7.2 -18.8 -28.1 -32.7 -28.2 -27.4 -33.9 -33.7 -29.4 -20.5 -10.4 -6.9 1998 -9.7 -13.1 -25.1 -34.4 -31.6 -19.6 -32.7 -35.6 -40.1 -26.9 -15.0 -8.1 1999 -5.3 -17.4 -27.2 -38.9 -32.5 -36.2 -29.7 -36.6 -25.9 -21.4 -10.6 -6.9 2000 -8.7 -17.5 -22.0 -27.4 -30.5 -29.8 -28.4 -31.1 -35.4 -27.3 -9.8 -7.7 2001 -11.5 -13.5 -28.0 -25.5 -30.2 -27.2 -28.1 -46.8 -31.9 -27.8 -13.2 -6.1 2002 -6.9 -14.5 -22.6 -29.2 -27.5 -40.5 -39.1 -38.0 -29.1 -26.3 -16.7 -10.2 2003 -6.7 -14.3 -24.3 -27.8 - - - - - - - - 2004 - - - - - - - - - - - - 2005 - -15.7 -23.3 -30.4 -25.2 -30.8 -28.7 -34.0 -28.2 -22.4 -12.9 -4.7 2006 -8.4 -14.3 -23.9 -33.7 -36.2 -26.7 -33.6 -26.5 -28.4 -29.3 -13.9 -7.9 2007 -5.0 -14.4 -26.6 -24.9 -25.1 -27.4 -29.5 -29.8 -26.5 -28.0 -13.0 -7.0 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - -15.3 -27.1 -25.7 -31.7 -30.7 -33.9 -31.1 -32.9 -24.1 -14.7 -8.6 2011 -9.5 -16.9 -26.4 -28.2 -25.2 -25.7 -22.3 -25.2 -33.4 -20.4 -13.4 -6.8 2012 -8.9 -15.0 -23.2 -26.7 -23.1 -34.1 -29.8 -34.3 -29.7 -23.6 -16.6 -6.8 2013 -6.7 -16.1 -20.6 -35.8 -30.2 -34.1 -33.1 -34.3 -30.6 -23.5 -16.2 -8.1 2014 -10.1 -17.0 -23.4 -30.9 -21.5 -30.9 -38.9 -21.8 -21.3 -20.3 -19.6 -9.7 2015 -7.7 -11.8 -27.1 -32.6 -31.7 -32.6 -35.0 -34.8 -34.9 -21.3 -15.7 -8.5 2016 -5.5 -16.2 -26.4 -32.2 -28.4 -35.2 -37.5 -32.4 -32.5 -25.5 -16.0 -7.3 2017 -9.8 -17.1 -24.6 -19.9 -19.3 -28.3 -33.1 -29.9 -34.3 -22.2 -17.1 -8.9 2018 -8.3 - -21.7 -24.7 -30.6 -28.1 -32.6 -37.4 -32.6 -18.8 -13.1 -5.4 2019 -9.0 -13.9 -25.9 -25.5 -24.6 -28.6 -30.9 -29.9 -28.1 -24.7 -13.9 -5.7 2020 -9.5 -12.3 -28.0 -27.9 -25.5 -30.1 -34.7 - - - - - 2021 - - - - - - - - - - - - 2022 - -12.0 -19.4 -25.4 -19.8 -31.5 -22.5 -27.8 -25.2 -23.2 -19.8 -7.5 2023 -9.2 -16.0 -25.8 -27.5 -27.5 -26.4 -38.0 -40.4 -20.1 -24.4 -16.6 -8.2 2024 -7.8 - -21.6 -26.3 -27.6 -25.2 -31.3 -27.2 -33.7 -19.4 -16.7 -