Possession_Island 12Z temperature 1993 0.2 -3.2 -9.5 -16.3 -21.1 -18.9 -19.9 -22.9 -18.7 -15.1 -7.6 -2.3 1994 -1.1 -5.1 -14.2 -13.5 -21.6 -20.0 -18.3 -24.8 -19.8 -13.9 -6.7 -2.1 1995 -0.9 -2.7 -9.5 -16.9 -19.7 -19.7 -19.3 -19.6 -19.9 -14.7 -7.4 -1.0 1996 -1.0 -2.5 -6.3 -13.1 -19.1 -19.4 -21.1 -17.0 -20.5 -17.2 - - 1997 -0.2 -2.3 -9.5 -18.9 -20.0 -17.1 -22.6 -25.6 -18.7 -11.2 - - 1998 - -2.7 -11.7 -20.5 -18.0 -16.4 -20.6 -19.4 -21.0 -14.8 - - 1999 -0.3 -2.3 -9.7 -17.4 -22.2 -17.2 -17.6 -23.2 -18.6 -14.5 - - 2000 -1.0 -2.5 -8.0 -14.9 -17.2 -19.6 -19.2 -20.5 -18.2 -16.0 - - 2001 -1.3 -3.0 -10.8 -16.8 -19.5 -18.1 -20.1 -24.2 -20.5 -14.6 -7.9 -1.0 2002 0.3 -2.2 -7.3 -15.2 -14.7 -18.0 -22.6 -25.8 -16.8 -13.5 -7.1 -2.4 2003 -0.3 -5.3 -13.2 -19.0 -17.0 -20.5 -19.8 -22.2 -18.7 -14.4 -7.4 -0.7 2004 -0.2 -2.8 -11.7 -17.3 -21.8 -16.7 -26.1 -20.7 -20.5 -15.2 -6.2 -0.4 2005 -0.1 -2.6 -7.9 -17.3 -16.2 -18.3 -19.7 -19.5 -20.0 -11.7 -6.9 -0.1 2006 -0.6 -2.7 -9.0 -17.1 -20.1 -18.4 -24.6 -16.3 - -15.2 -7.7 -1.4 2007 0.2 -3.3 -8.9 -16.2 -16.0 -17.8 -19.1 -20.9 -18.4 -15.3 -7.3 -1.2 2008 -1.1 -5.3 -10.4 -14.5 -19.7 -16.2 -23.9 - -18.2 -14.4 -7.8 -0.7 2009 -0.4 -3.6 -10.6 -15.2 -18.4 -18.9 - -19.6 -20.2 -16.5 -5.8 -0.6 2010 0.0 -2.8 -7.9 -16.4 -20.0 - - - -21.5 -14.7 -6.7 -0.6 2011 -0.2 -2.2 -6.8 -14.2 -18.1 - - - -17.6 -15.1 -5.8 -0.7 2012 -0.4 -2.4 -10.3 -17.4 -14.9 - - - -18.9 -15.4 -6.8 -0.6 2013 0.0 -3.3 -9.9 -18.5 -17.7 - - - -16.2 -14.8 -7.7 -0.5 2014 1.3 -2.3 -9.2 -16.4 -15.0 - - - -16.8 -13.6 -8.1 -2.2 2015 -0.9 -3.1 -9.8 -19.6 -19.6 - - - -22.8 -13.9 -7.7 -0.1 2016 -0.2 -3.2 -8.7 -17.4 - - - - - -14.8 -5.7 -0.7 2017 -0.1 -1.5 -6.5 -14.8 -14.8 - - - -20.3 -13.4 -7.5 -1.4 2018 -0.8 -4.3 -9.2 -14.1 - - - - -19.2 -13.4 -6.5 -1.2 2019 -0.8 -2.6 -6.6 -15.1 -15.6 - - - - - -5.5 -0.5 2020 -0.1 -1.4 -7.1 -15.8 - - - - - -15.5 -7.9 -0.2 2021 0.1 -2.3 -5.7 - - - - - -18.5 -13.9 -6.6 -0.6 2022 -1.0 -1.5 -5.2 -14.6 - - - - - -13.6 -7.1 -1.2 2023 -0.8 -3.0 -10.2 -15.4 - - - - - - -7.9 -0.9 2024 -0.8 -3.9 -10.1 - - - - - - - -8.0 -