Concordia 12Z 300hPa temperature 2005 - - - -59.7 -60.7 -61.2 -63.6 -64.5 -60.7 -60.6 -58.3 -52.3 2006 -53.7 -54.9 -55.3 -58.1 -62.9 -62.9 -63.5 -64.2 -63.0 -60.6 -58.8 -56.1 2007 -52.8 -52.8 -54.7 -56.0 -58.5 -60.5 - - - - - -56.8 2008 -54.6 -50.0 -54.2 -56.8 -60.0 -62.8 -64.0 -64.4 -63.8 -61.8 -58.2 -55.7 2009 -53.8 -52.2 -54.7 -57.5 -59.3 -61.6 -61.8 -64.2 - - -58.1 -53.9 2010 -52.9 -51.4 -53.1 -58.8 -61.9 -62.5 -64.9 -65.8 -63.3 -62.2 -60.7 -54.8 2011 -54.3 -54.5 -53.4 -56.8 -61.7 -63.4 -62.7 -64.0 -63.1 -62.5 -57.4 -56.3 2012 -54.0 -53.3 -54.0 -57.2 -60.4 -62.8 -65.5 -64.9 -63.9 -60.6 -54.6 -52.4 2013 -51.0 -50.5 -55.0 -59.9 -61.3 -63.2 -63.7 -63.9 -60.0 -61.5 -56.2 -51.0 2014 -51.6 -53.2 - - - - - - - - -55.2 -56.3 2015 -52.1 -53.2 -55.1 -60.3 -60.9 -61.7 -64.3 -64.2 -65.9 -64.2 -59.6 -57.1 2016 -55.8 -54.6 -55.7 -57.8 -59.1 -63.4 -63.9 -63.3 -64.5 -60.5 -55.9 -53.6 2017 -53.0 -54.2 -54.8 -59.0 -60.3 -63.9 -64.3 -63.8 -63.4 -61.6 -59.1 -53.4 2018 -50.7 -52.0 -56.4 -58.0 -61.1 -63.1 -62.7 -63.8 -65.0 -62.2 -58.7 -54.5 2019 -55.2 -52.2 -56.8 -57.3 -61.2 -63.3 -62.0 -63.0 -62.5 -59.4 -53.7 -54.1 2020 -52.5 -52.0 -54.9 -57.5 -59.7 -63.3 -61.0 -63.7 -63.3 -63.0 -59.7 -57.3 2021 -53.7 -53.1 -53.8 -57.5 -62.1 -64.0 -63.5 -63.3 -63.4 -60.6 -60.4 -56.1 2022 -55.1 -53.3 -55.0 -57.5 -60.4 -61.3 -62.7 -63.4 -64.5 -61.2 -59.9 -58.0 2023 -55.6 -53.9 -55.8 -57.6 -62.7 -61.1 -63.9 -66.0 -62.4 -62.4 -61.0 -55.3 2024 -55.9 -54.5 -55.8 -60.3 - - - - - - - -