Harry 06Z temperature 1994 - - - - - - - - - - - -9.0 1995 -11.2 -14.5 -26.0 -27.9 -31.5 -24.1 -31.5 -31.0 -29.5 -25.3 -17.4 -9.8 1996 -9.8 -16.8 -26.3 -19.7 - -26.3 - - - - -15.0 - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - -18.9 -24.1 -31.6 -29.9 -30.3 -28.0 -33.6 -25.1 -21.9 -15.3 -11.7 2000 -14.2 -17.0 -20.5 -28.9 -29.5 -26.6 -27.9 -30.2 -29.3 -23.5 -15.1 -13.4 2001 -14.2 -15.5 -24.7 -24.7 -27.9 -25.9 -29.2 -38.3 -30.1 -27.7 -18.2 -12.1 2002 -11.1 -17.2 -21.5 -28.0 -25.4 -33.2 -33.4 -33.1 -21.6 -24.6 -15.5 -12.4 2003 -9.6 -17.9 -23.7 -26.0 -26.9 -30.0 -30.5 -34.1 -32.0 -24.1 -20.0 -12.1 2004 -13.0 -20.6 -27.9 -25.4 -30.9 -28.6 -39.3 -37.8 -34.2 -28.0 -16.9 -11.2 2005 -8.1 -19.4 -25.4 -30.4 -26.6 -28.3 -27.9 -34.5 -24.2 -23.7 -16.1 -10.0 2006 -10.8 -15.3 -26.1 -31.3 -34.3 -26.3 -32.1 -25.3 -29.3 -25.6 -16.5 -12.7 2007 -8.5 -17.0 -23.2 -23.7 -24.4 - - - - -30.3 -17.8 -12.0 2008 -10.4 -20.0 -20.5 -25.4 -28.1 -26.9 -32.7 -38.5 -24.9 -23.2 -20.0 -12.9 2009 -11.5 -20.6 -24.6 -25.9 -29.3 -31.1 -26.8 -31.6 -32.4 -28.0 -14.9 -10.6 2010 -12.5 -16.2 -23.2 -26.5 -30.8 -30.9 -34.8 -28.2 -30.6 -25.2 -18.3 -11.3 2011 -12.2 -19.1 -23.8 -27.2 -26.5 -28.4 -21.3 -26.1 -33.9 -22.1 -15.0 -10.4 2012 -12.4 -16.1 -22.6 -25.5 -24.1 -32.2 -32.2 -31.9 -29.6 -24.0 -18.0 -8.3 2013 -9.5 -17.3 -19.9 -31.6 -29.4 -34.2 -32.2 -30.3 -30.7 -24.9 -18.7 -10.6 2014 -10.8 -18.0 -25.2 -28.6 -22.2 -29.5 -35.5 -25.9 -23.1 - - - 2015 - - - - - - - - - - - - 2016 - -17.9 -25.9 -29.4 -26.8 -32.0 -31.1 -30.1 -31.9 -22.7 -17.1 -10.1 2017 -12.8 -15.8 -21.7 -20.6 -22.9 -28.6 -32.2 -30.0 -35.3 -22.9 -18.1 -11.7 2018 -11.3 -17.7 -20.7 -24.5 -29.7 -30.7 -29.7 -32.6 -32.2 -20.6 -16.7 -10.0 2019 -10.9 -15.8 -23.5 -26.9 -27.0 -26.5 -29.0 -28.4 -26.4 -24.5 -16.5 -11.5 2020 -12.2 -13.0 -25.8 -26.5 -22.8 -29.7 -29.1 -29.8 -29.5 -24.7 -19.4 -11.9 2021 -12.1 -17.8 -24.9 -33.3 -28.7 -25.0 -26.2 -36.5 -29.8 -24.9 -16.4 -12.1 2022 -11.1 -14.9 -21.4 -24.6 -23.9 -29.0 -25.9 -28.3 -27.9 -26.8 -20.0 -10.9 2023 -12.1 -15.6 -24.2 -27.3 -28.4 -29.4 -29.5 -39.6 -22.3 -27.3 -18.3 -11.3 2024 -12.2 -19.7 -21.2 -27.5 -25.6 -23.4 -31.5 -28.3 -32.2 - - -