Harry temperature 1994 - - - - - - - - - - - -8.3 1995 -10.6 -14.1 -25.9 -28.1 -31.2 -24.3 -31.8 -30.9 -28.9 -24.9 -17.1 -9.5 1996 -9.6 -16.6 -25.6 -19.5 - -26.6 - - - - -14.5 - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - -18.8 -23.8 -31.5 -29.8 -30.3 -28.0 -33.2 -25.4 -21.2 -14.9 -11.6 2000 -13.9 -16.6 -20.7 -28.9 -29.2 -26.9 -27.3 -30.2 -29.8 -23.1 -14.8 -13.2 2001 -13.7 -15.0 -24.7 -24.9 -27.5 -25.7 -29.2 -38.3 -29.9 -27.1 -17.6 -11.9 2002 -10.9 -16.9 -21.6 -27.8 -25.5 -32.7 -33.4 -33.4 -21.5 -23.7 -14.7 -11.8 2003 -9.6 -17.3 -23.6 -25.8 -27.4 -29.7 -30.3 -33.6 -31.9 -23.2 -19.4 -11.7 2004 -12.6 -19.8 -28.2 -25.7 -31.5 -28.3 -39.4 -37.7 -34.0 -26.6 -16.6 -11.0 2005 -8.0 -18.8 -25.5 -30.3 -26.9 -28.2 -28.0 -34.2 -24.1 -23.1 -15.6 -9.8 2006 -10.3 -14.6 -25.3 -31.4 -34.2 -26.1 -32.2 -25.4 -29.1 -24.6 -15.7 -12.5 2007 -8.4 -17.4 -22.6 -23.6 -24.5 - - - - -29.3 -17.2 -11.4 2008 -10.2 -19.4 -20.3 -25.5 -28.3 -27.2 -32.0 -38.9 -25.0 -22.5 -19.4 -12.7 2009 -11.5 -20.1 -23.7 -25.8 -29.2 -30.9 -26.9 -31.8 -32.5 -27.1 -14.4 -10.4 2010 -11.7 -15.8 -22.9 -26.1 -30.5 -30.8 -34.8 -28.6 -30.4 -24.7 -17.8 -11.0 2011 -11.8 -18.4 -23.4 -27.5 -26.4 -28.7 -21.6 -26.0 -33.7 -21.7 -14.4 -10.1 2012 -11.8 -15.4 -22.0 -25.5 -23.9 -32.3 -31.8 -31.9 -29.6 -23.3 -17.5 -7.9 2013 -8.5 -17.2 -19.6 -31.9 -29.1 -34.3 -32.5 -29.8 -30.2 -24.1 -18.2 -10.0 2014 -10.5 -17.8 -24.7 -28.6 -22.4 -29.4 -35.4 -25.8 -22.6 - - - 2015 - - - - - - - - - - - - 2016 - -17.8 -25.7 -29.0 -26.4 -31.7 -31.7 -30.0 -31.7 -22.3 -16.9 -10.0 2017 -13.0 -15.3 -21.7 -20.5 -22.9 -28.4 -32.2 -29.8 -34.9 -22.6 -18.0 -11.7 2018 -11.5 -17.4 -20.8 -24.6 -29.9 -30.7 -29.1 -32.1 -31.5 -20.1 -16.0 -10.0 2019 -10.8 -15.4 -23.4 -26.9 -26.6 -26.4 -29.5 -28.1 -26.4 -24.3 -16.7 -11.0 2020 -12.0 -12.8 -25.9 -26.3 -23.0 -29.4 -29.6 -29.7 -29.5 -24.4 -19.4 -11.9 2021 -12.0 -17.9 -24.8 -33.3 -28.7 -24.8 -26.1 -36.2 -30.0 -24.4 -16.1 -11.9 2022 -11.2 -14.9 -21.5 -24.6 -24.1 -28.6 -26.1 -28.4 -27.9 -26.5 -19.8 -10.6 2023 -12.1 -15.5 -23.9 -27.3 -28.8 -29.1 -30.2 -39.4 -22.6 -27.3 -18.0 -11.3 2024 -12.1 -19.7 -20.9 -27.4 -25.2 -23.9 -31.7 -28.1 -32.1 - -19.7 -