Linda 18Z temperature 1991 - -13.9 -27.4 -28.2 - - - - - - -16.6 -7.8 1992 -8.7 -17.6 -21.3 - - - - - - - - - 1993 - -15.4 -24.4 -26.0 - - - - - - - - 1994 - -20.2 -30.4 - - - - - - - - - 1995 -10.9 -15.8 -29.5 -35.4 -37.1 -31.3 -34.4 -32.3 -33.2 -27.6 -14.7 -5.9 1996 -7.4 -15.0 -25.9 -23.7 -29.5 -30.4 -33.1 -25.9 -29.5 -26.1 -13.2 -6.7 1997 -8.3 -19.0 -28.3 -30.9 - - -33.6 -36.6 - - - - 1998 - -13.7 -24.3 -34.1 -30.2 -23.0 -32.9 -31.8 -35.3 -23.6 -15.4 -8.8 1999 -7.3 -15.8 -26.9 -33.4 -34.1 -31.4 -27.7 -37.8 -26.5 - - -8.5 2000 -9.7 -17.0 -24.1 -25.5 -28.6 -30.5 -29.7 -32.4 -33.8 -28.1 -11.9 -10.0 2001 -11.7 -15.0 -27.0 -28.3 -31.9 -27.9 -29.8 -41.7 -31.5 -26.1 -15.4 -6.8 2002 -7.9 -16.4 -22.1 -28.5 -27.2 -35.9 -38.1 -36.3 -28.2 - - - 2003 - - -24.0 - - -28.0 -27.6 -35.9 -30.4 -20.7 -15.1 -6.3 2004 -9.4 -17.0 -30.3 -26.8 - - - -36.2 -34.0 - - -5.4 2005 - -14.9 -24.9 -29.1 -25.6 - -34.4 -36.3 -35.9 -26.9 -16.4 -6.4 2006 - -13.8 -23.9 -33.7 -35.2 -28.2 -35.9 -25.3 -27.8 -25.1 -13.1 -7.7 2007 -4.9 -14.4 -23.5 -28.2 -25.5 -26.1 -27.4 -28.5 -26.5 -26.3 -13.4 -6.1 2008 -5.7 -15.6 -22.7 -25.7 -29.0 -23.0 - - -24.3 - - - 2009 - -17.6 -27.3 -22.2 -30.1 -28.0 -31.4 -33.2 -32.5 -25.4 -10.7 -5.8 2010 -7.9 -14.2 -22.6 -24.8 -29.9 -32.2 -32.5 -34.2 -32.8 -22.6 -13.4 -6.2 2011 -7.6 -15.2 -22.9 -26.6 -28.2 -26.9 -24.9 -27.4 -30.5 -22.4 -11.2 -5.5 2012 -7.9 -13.9 -22.8 -27.6 - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - -29.9 - - - - -15.6 -8.5 2016 -6.4 -16.8 -24.2 -29.7 - -33.2 -36.4 -31.6 -31.9 -25.6 -16.1 -8.5 2017 -9.2 -16.5 -22.7 -24.7 -22.0 -29.4 -32.4 -28.8 -33.7 -21.4 -17.5 -9.1 2018 -8.4 -15.6 -19.6 -27.0 -29.6 -24.7 -32.5 -34.3 -31.5 -19.3 -13.5 -6.9 2019 - -12.6 -22.2 -26.8 -24.0 -29.9 -27.6 -28.3 -26.5 -23.4 -13.4 -6.9 2020 -8.7 -11.7 -25.0 -28.5 -27.0 -30.0 -30.0 -28.3 -30.1 -22.1 -17.1 -8.3 2021 -7.5 -15.5 -23.0 -34.2 -29.6 -28.9 -26.5 -38.2 -28.0 -22.6 -13.9 -7.2 2022 -8.8 -12.9 -21.3 -25.6 -22.5 -30.2 -27.9 -30.5 -28.3 -23.5 -19.9 -7.4 2023 - -15.1 -27.4 -28.6 -30.9 -27.3 -38.7 -40.8 -24.1 - -17.5 -8.8 2024 -8.7 -20.0 -26.5 -25.7 -30.4 -25.9 -32.3 -28.0 -32.6 - - -