Concordia 12Z 500hPa temperature 2005 - - - -42.2 -40.9 -40.7 -43.5 -43.4 -39.3 -41.8 -38.2 -33.3 2006 -34.0 -36.2 -38.7 -39.4 -45.1 -44.1 -42.6 -43.7 -44.1 -41.1 -39.2 -35.9 2007 -33.9 -37.2 -35.2 -41.6 -39.0 -39.4 - - - - - -37.5 2008 -35.2 -40.2 -40.1 -38.9 -42.1 -43.5 -43.5 -43.2 -43.4 -44.8 -36.3 -34.6 2009 -33.7 -35.2 -38.6 -43.5 -42.0 -41.8 -40.7 -43.1 - - -38.1 -36.0 2010 -33.9 -36.4 -39.8 -44.1 -44.5 -43.9 -45.3 -46.5 -43.1 -41.3 -39.2 -34.3 2011 -33.7 -37.3 -39.7 -40.1 -42.8 -44.1 -42.1 -41.1 -41.7 -42.4 -36.9 -34.6 2012 -34.3 -38.4 -40.4 -41.4 -43.0 -43.8 -46.1 -44.1 -44.6 -41.2 -38.1 -34.2 2013 -35.4 -39.2 -41.8 -42.3 -42.0 -43.4 -45.0 -42.3 -38.4 -40.4 -38.6 -35.3 2014 -31.9 -35.8 - - - - - - - - -35.3 -37.2 2015 -36.2 -36.0 -39.2 -42.8 -43.7 -43.2 -44.8 -45.2 -46.4 -43.7 -38.8 -34.2 2016 -35.6 -37.9 -40.3 -43.0 -40.2 -45.3 -43.7 -43.2 -44.0 -41.4 -35.7 -35.5 2017 -33.9 -34.1 -41.7 -43.7 -41.0 -46.6 -44.8 -44.3 -43.9 -40.6 -39.7 -37.1 2018 -34.2 -38.0 -39.5 -38.1 -43.5 -44.0 -40.4 -44.5 -45.1 -42.3 -37.1 -35.0 2019 -35.9 -36.4 -38.3 -41.7 -44.4 -44.0 -40.6 -41.2 -44.0 -42.4 -37.2 -34.3 2020 -33.3 -37.0 -42.3 -38.1 -41.3 -43.3 -40.7 -44.0 -40.9 -41.8 -37.4 -36.6 2021 -35.4 -36.6 -40.5 -43.2 -44.1 -43.0 -42.4 -40.5 -42.4 -39.9 -39.0 -33.4 2022 -36.0 -34.0 -37.6 -44.5 -40.5 -41.8 -43.5 -43.2 -43.3 -40.6 -39.1 -37.1 2023 -35.1 -35.9 -39.0 -39.5 -43.0 -41.3 -45.8 -46.0 -40.7 -44.3 -40.9 -37.0 2024 -35.8 -37.7 -39.9 -44.4 - - - - - - - -