Theresa temperature 1994 - - - - - - - - - - - -11.6 1995 -12.8 -15.5 -25.2 - -27.8 -27.2 -31.4 -32.0 -29.2 -24.3 - - 1996 - -17.7 -24.1 -20.3 - - - - - -25.8 -14.9 -11.1 1997 -11.9 -20.0 -25.7 -27.2 - - - - -29.6 -22.2 -16.6 -11.4 1998 -11.6 -14.3 -24.9 -30.5 -25.0 -21.1 -30.0 -28.4 -31.2 -26.0 -19.6 -12.1 1999 -10.9 -17.9 -21.7 -31.0 -27.9 -26.7 -26.3 -30.1 -25.6 -20.8 -16.7 -14.0 2000 -14.1 -16.4 -20.6 -26.9 -27.6 - - - - -22.5 -17.0 -13.6 2001 -13.9 -14.6 -23.2 -25.0 -25.7 -26.5 -29.1 -33.1 -25.4 -25.7 -16.8 -12.0 2002 -10.7 -18.1 -22.9 -26.1 -26.3 -32.5 - - - - - - 2003 - - - - -25.8 -28.8 - - - - -20.2 -11.4 2004 -12.1 -18.7 -26.3 - - -27.4 -36.9 -33.0 -28.0 -22.9 -18.5 -11.9 2005 -9.6 -18.5 -24.0 -26.2 -27.2 -29.0 -29.5 -31.4 -24.1 -23.1 -17.8 -11.2 2006 -11.4 -14.4 -23.0 - -30.6 -26.9 -31.0 -25.5 -28.6 -22.8 -16.5 -13.4 2007 -9.6 -17.9 -22.9 -24.7 -23.8 -27.7 - - - - - - 2008 - -18.5 -19.8 -23.6 -27.3 -25.9 -28.9 -34.1 -25.2 -22.6 -19.2 -12.8 2009 -12.2 -20.0 -22.3 -24.5 -26.2 -27.5 - - -28.0 -25.5 -16.2 -11.1 2010 -10.5 -17.5 -22.7 -23.5 -26.5 -27.7 -32.1 -26.4 -29.0 -22.7 -17.3 -11.1 2011 -11.6 -17.9 -23.5 -26.1 -25.4 -26.6 -22.9 -24.3 -31.2 -21.8 -14.7 -11.4 2012 -13.4 -15.8 -21.9 -24.0 -24.9 -29.4 -27.9 -29.4 -28.6 -23.3 -18.1 -9.6 2013 -9.8 -18.1 -17.6 -26.5 -28.3 -28.8 -30.7 -25.6 -26.8 -23.4 -17.8 -10.8 2014 -11.9 -19.6 -24.3 -25.3 -21.2 -26.8 -31.3 -26.9 -22.4 -23.2 -18.1 -12.9 2015 -11.2 -15.3 -23.9 -28.3 -27.0 -28.9 -30.3 -32.1 -30.6 - - - 2016 - -17.6 -23.6 -29.2 -26.3 -27.3 -30.2 -27.0 -29.1 -22.6 -15.7 -9.9 2017 -12.2 -14.7 -19.6 -22.4 -23.1 -28.0 -30.1 -29.2 -30.2 -22.3 -16.9 -11.6 2018 -12.1 -18.7 -20.0 -23.1 -28.3 -27.4 -28.4 -26.4 -31.0 -20.8 -17.0 -9.3 2019 -11.9 -15.9 -22.8 -23.9 -23.7 -27.4 -28.9 -28.3 -26.7 -24.9 -15.2 -10.5 2020 -11.3 -14.1 -25.0 -24.3 -23.6 -26.1 -27.4 -29.6 -29.2 -24.3 -17.8 -11.3 2021 -12.7 -18.2 -21.9 -32.7 -27.8 -25.5 -24.3 -33.4 -27.6 -23.7 -16.7 -12.1 2022 -11.7 -15.0 -20.7 -24.9 -23.4 - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -