Butler_Island 18Z temperature 1986 - - -13.1 -21.0 -27.2 -27.6 -25.3 -29.0 -25.3 -15.1 -6.9 -3.0 1987 -1.7 -9.4 -15.6 -25.3 -25.3 -24.2 - - - - - - 1988 - - - - - -9.2 - - - -13.9 -8.1 -2.2 1989 -1.6 -7.5 -13.7 - - - - - - - - - 1990 -1.9 -8.2 -15.7 -22.0 -21.3 -22.4 -26.9 -26.7 -15.6 -16.5 -7.1 -2.6 1991 -1.3 - -18.6 -19.2 -24.1 -24.3 -24.8 -25.9 -17.0 -15.2 -7.6 -1.2 1992 -2.1 -7.8 -18.7 -17.1 -25.3 -22.2 -25.5 -27.4 -20.1 -15.8 -4.4 0.3 1993 -1.5 -2.3 -15.1 -22.2 - -24.0 -19.3 -22.1 -23.0 -13.6 - - 1994 - - - - -22.2 -22.3 -30.5 -24.3 -22.3 -19.7 -5.6 -2.3 1995 -1.2 -5.5 -13.7 -25.3 -24.6 -22.8 -26.8 -26.3 -21.5 -11.7 -10.1 -0.5 1996 -1.0 -4.7 -14.0 -19.6 -24.6 -23.7 -24.5 -20.0 -24.8 -11.7 -6.6 - 1997 -1.5 -10.7 -14.3 -23.0 -17.5 -21.6 -25.8 -24.2 -23.5 -17.6 -8.2 -0.3 1998 -0.5 -3.2 -12.8 -18.4 -14.2 -17.1 -25.2 -25.2 -21.8 -18.0 -4.8 - 1999 -0.4 - -16.5 -20.6 -20.2 -24.4 -27.0 -24.4 -18.9 -5.6 -6.0 -0.6 2000 -2.4 -5.1 -12.7 -22.9 -22.6 -17.8 -16.3 -24.8 -18.3 -13.0 -4.7 -1.4 2001 -1.7 -7.1 - -23.3 -20.2 -21.6 -25.4 -23.9 -17.9 -14.1 -6.3 -0.6 2002 0.9 -6.5 -16.0 -20.8 -23.8 -26.4 -24.6 -17.2 -15.1 -17.3 -8.5 -1.0 2003 - - - - - - - - - - - - 2004 -1.6 - -14.8 -21.2 -20.9 -24.5 -27.3 -29.5 -16.7 -13.3 -6.4 - 2005 - - -15.3 -21.2 -24.7 -25.6 -27.2 -23.4 -17.4 -13.1 -6.0 -2.4 2006 - - -12.9 -19.2 -23.4 -20.9 -22.9 -25.6 -22.4 - - - 2007 0.3 -8.1 -14.0 -26.0 -23.1 -24.2 -25.6 -25.4 -19.7 -19.1 -9.2 -2.0 2008 -2.0 -7.0 -17.7 -20.9 -22.2 -28.5 -18.1 -20.2 -17.5 -17.0 -7.9 -4.3 2009 -2.5 -9.4 -16.6 -22.2 -23.9 -28.3 -26.0 -26.1 -23.7 -17.3 -8.3 -3.7 2010 -3.4 -5.8 -16.3 -25.3 -25.3 -20.0 -20.6 -22.1 -21.1 -14.0 -5.6 -3.3 2011 -1.4 -6.8 -17.1 -25.4 -26.2 -25.8 -27.8 -24.0 -26.4 -16.7 -7.0 -3.4 2012 -4.4 -8.0 -10.3 -19.5 -24.1 -25.0 -27.3 -28.3 - -16.4 -9.6 -3.0 2013 -2.7 -3.9 -11.1 -17.8 -27.1 -22.7 -27.3 -20.2 -20.4 -19.6 -8.3 -3.5 2014 -3.5 -10.5 -19.3 -20.9 -24.7 -23.6 -25.6 -28.3 -19.1 -18.9 -9.5 -4.2 2015 -2.2 -8.8 -15.9 -19.8 -21.6 -27.5 -22.9 -25.1 -24.5 -14.9 -10.4 -1.1 2016 -3.4 -6.8 -18.8 -21.0 -15.4 -23.9 -18.2 -24.0 -17.9 -10.8 -6.7 -1.7 2017 -2.7 -6.7 -12.0 -23.2 -23.1 -23.8 -28.3 -25.6 -22.2 -14.9 -6.4 -2.5 2018 -2.8 -9.1 -16.0 -20.1 -20.9 -21.5 -22.7 -23.8 -23.6 -14.7 -7.9 -2.0 2019 -4.1 -8.1 -14.0 -20.3 -21.8 -20.8 -22.8 -20.4 -19.8 -17.4 -7.2 -2.1 2020 -1.5 -5.9 -13.8 -19.9 -21.5 -20.3 -21.1 -30.7 -22.5 -18.5 -3.9 -2.5 2021 -3.1 -7.2 -13.1 -21.8 -18.8 -25.1 -23.8 -26.3 -20.6 -14.3 -7.1 -0.8 2022 -2.2 -5.9 -14.7 -20.9 -22.3 -19.1 -19.9 -24.6 -23.5 -15.6 -10.4 -2.2 2023 -3.9 -5.7 -14.2 -16.3 -19.5 -22.5 -23.6 -21.5 -20.6 -17.8 -6.2 -1.7 2024 -2.4 -6.3 -12.9 -23.4 -21.0 - - - - - - -