Theresa 12Z temperature 1994 - - - - - - - - - - - -12.3 1995 -13.9 -16.5 -25.9 - -28.0 -27.0 -31.7 -32.2 -29.4 -25.0 - - 1996 - -18.6 -24.6 -20.4 - - - - - -26.8 -15.9 -12.2 1997 -13.0 -21.2 -26.2 -27.9 - - - - -29.4 -22.7 -17.3 -12.7 1998 -12.5 -14.7 -25.2 -30.5 -24.5 -21.6 -30.0 -28.8 -31.3 -26.8 -20.5 -13.1 1999 -12.0 -18.4 -21.9 -30.9 -28.0 -27.0 -26.3 -30.0 -25.4 -21.3 -17.4 -15.0 2000 -15.3 -17.0 -20.6 -27.0 -27.6 - - - - -22.5 -17.6 -14.7 2001 -15.1 -15.4 -23.6 -25.0 -25.7 -26.4 -29.3 -32.9 -25.5 -26.0 -17.7 -13.2 2002 -11.7 -19.1 -23.3 -25.8 -26.0 -32.1 - - - - - - 2003 - - - - -25.5 -28.8 - - - - -21.2 -12.4 2004 -13.3 -19.5 -26.8 - - -27.4 -36.9 -32.9 -28.4 -23.6 -19.2 -13.0 2005 -10.5 -19.5 -24.6 -26.4 -27.2 -28.7 -29.7 -31.2 -24.0 -23.7 -18.7 -12.2 2006 -12.4 -15.3 -23.1 - -31.0 -26.9 -31.2 -25.7 -28.3 -23.7 -17.5 -14.7 2007 -10.8 -18.4 -23.5 -24.7 -24.2 -27.7 -28.6 - - - - - 2008 - -19.3 -20.6 -23.8 -27.4 -25.8 -28.8 -34.2 -24.8 -23.0 -20.2 -14.0 2009 -13.3 -21.0 -22.6 -25.1 -25.7 -27.4 - - -28.2 -26.3 -17.3 -12.3 2010 -11.9 -18.4 -23.2 -23.5 -26.3 -27.6 -32.3 -26.6 -29.2 -23.4 -17.9 -12.2 2011 -13.1 -19.0 -23.8 -26.2 -25.4 -26.5 -23.1 -24.0 -31.3 -22.1 -15.5 -12.2 2012 -14.6 -16.8 -22.5 -24.0 -25.2 -29.6 -28.2 -29.4 -28.8 -23.7 -19.3 -11.1 2013 -10.6 -19.2 -17.8 -26.2 -28.3 -28.6 -30.2 -25.6 -27.0 -24.2 -18.8 -11.5 2014 -13.2 -20.3 -25.1 -25.4 -21.4 -26.7 -31.2 -26.8 -22.7 -23.5 -19.3 -14.3 2015 -12.0 -16.0 -24.3 -28.4 -26.8 -29.2 -30.3 -32.1 -30.9 - - - 2016 - -18.4 -24.2 -29.3 -25.8 -27.7 -30.0 -27.3 -29.3 -23.0 -16.4 -11.3 2017 -13.6 -15.2 -20.0 -22.0 -23.8 -27.5 -30.0 -29.0 -30.6 -23.2 -17.9 -12.8 2018 -13.5 -19.5 -20.1 -23.2 -28.2 -27.3 -28.2 -26.8 -31.2 -21.5 -18.0 -10.5 2019 -13.2 -16.8 -23.1 -23.9 -23.7 -27.4 -28.9 -28.8 -26.7 -25.5 -16.0 -11.2 2020 -12.8 -14.7 -25.4 -24.1 -23.4 -26.1 -27.5 -29.5 -29.2 -24.9 -18.8 -12.5 2021 -13.9 -18.8 -22.4 -32.3 -27.6 -25.6 -24.5 -33.4 -27.5 -24.5 -17.6 -13.4 2022 -12.9 -15.8 -21.0 -24.8 -23.0 - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -