Rothera 12Z 700hPa temperature 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - -17.4 - - - - - - - - 2002 - - - -14.6 -18.3 - - - - - - - 2003 - - - -12.1 -20.0 -20.4 -20.6 -18.5 -18.0 -15.6 -18.7 -18.0 2004 -15.5 -13.6 -14.3 -15.2 -16.3 -16.5 -20.1 -22.9 -20.4 -16.5 -17.9 -14.2 2005 -12.6 -14.7 -15.5 -15.4 -15.3 -19.1 -17.9 - -15.4 - -15.3 -18.6 2006 -13.5 -12.3 -14.3 -16.9 -19.3 -17.5 -20.0 -17.9 -19.3 -16.2 -16.5 -15.3 2007 -11.8 -14.5 -15.0 -16.7 - - - - -19.7 -20.7 -17.3 -14.7 2008 -14.2 -14.7 -14.0 -17.6 -17.0 -17.2 -18.1 -19.9 -15.4 -16.9 -16.7 -17.5 2009 -14.7 -14.6 -14.3 -17.8 -16.9 -18.5 -19.4 -19.0 -19.8 -20.6 -18.3 -16.4 2010 -14.9 -11.9 -16.0 -17.5 -16.6 -19.1 -19.2 -18.3 -16.2 -17.0 -17.3 -15.8 2011 -15.9 -14.0 -14.1 -18.5 -17.7 -20.1 -19.3 -18.0 -19.6 -16.5 -16.0 -13.8 2012 -14.5 -15.5 -12.5 -14.2 -15.6 -20.6 -18.5 -18.9 -16.7 -18.3 -17.1 -15.0 2013 -12.1 -14.2 -12.2 -15.1 -18.0 -20.9 -19.7 -21.7 -21.1 -17.6 -19.7 -18.1 2014 -14.3 -15.0 -15.8 -14.0 -14.6 -15.9 -19.7 -18.5 -16.8 -17.5 -18.1 -16.1 2015 -13.7 -13.8 -14.3 -15.9 -14.4 -21.8 -22.7 -22.8 -20.2 -17.3 -17.5 -15.3 2016 -13.7 -13.6 -14.5 -18.0 -12.2 -16.5 -18.1 -21.1 -18.6 -15.8 -16.7 -15.6 2017 -15.6 -12.6 -10.9 -14.8 -16.6 -20.4 -20.5 -19.4 -25.2 -18.2 -16.5 -15.3 2018 -15.9 -12.2 - -16.7 -19.6 -18.5 -17.3 -19.4 -20.2 -15.2 -17.3 -16.7 2019 -14.3 -12.4 -14.7 -16.3 -17.4 -16.2 -16.8 -16.7 -17.8 -18.0 -15.6 -14.4 2020 -11.6 -10.5 -15.7 -16.0 -14.8 -16.2 -17.3 -21.8 -17.8 -16.9 -17.6 -15.8 2021 -13.8 -12.5 -14.3 -16.8 -17.3 -15.4 -17.3 -22.0 -19.1 -17.5 -17.2 -16.2 2022 -13.6 -14.4 -15.8 -15.7 -14.4 -18.3 -18.2 -17.9 -17.3 -19.0 -16.7 -15.4 2023 -14.6 -13.9 -15.8 -16.0 -17.7 -18.3 -18.8 -23.8 -16.4 -19.1 -20.5 -14.8 2024 -14.8 -13.4 -13.8 -17.7 - - - - - - - -