Relay_Station 18Z temperature 1995 - -38.9 -50.6 -53.9 -60.7 -61.0 -50.2 -64.0 -61.5 -52.0 -39.7 -30.6 1996 -30.7 -38.5 -52.1 -56.2 -63.8 -58.2 -57.8 -54.0 -54.7 -53.4 -39.8 -30.1 1997 -31.4 -40.4 -51.5 -57.9 -61.3 -57.2 -62.9 -60.0 -60.3 -51.5 -37.6 -27.8 1998 -31.4 -39.7 -51.8 -59.2 -54.7 -55.6 -58.4 -58.5 -56.5 -53.9 -37.2 -31.5 1999 -30.9 -41.3 -50.8 -60.9 -59.2 -52.9 -61.6 -58.6 -57.4 -53.3 -41.1 -32.3 2000 -32.1 -42.0 -54.7 -56.1 -58.1 -55.5 -59.9 -57.0 -59.4 -56.2 -37.6 -29.6 2001 -29.5 -41.7 -51.9 -58.2 -58.6 -57.0 -58.2 -62.5 -58.1 -54.0 -40.2 -30.5 2002 -28.5 -41.4 -51.1 -54.4 -50.7 -55.1 -55.8 -60.3 -58.8 -51.7 -41.0 -30.0 2003 -30.2 -38.6 -52.1 -57.8 -58.5 -57.6 -60.7 -57.2 -57.3 -55.4 -39.1 -28.3 2004 -28.9 -36.8 -51.1 -55.2 -62.8 -58.2 -62.8 -63.2 -58.5 -50.4 -39.4 -28.6 2005 -30.3 - - -58.9 -58.7 -55.1 -58.2 -60.5 -57.0 - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - -37.4 -50.2 -55.1 -54.1 -58.7 -59.7 -61.0 -53.7 -48.9 -36.7 -27.8 2011 -26.2 -36.8 -47.6 -52.5 -53.1 -50.5 -52.1 -53.1 -54.3 -49.8 -33.3 -26.6 2012 -28.8 -37.0 -49.3 -55.2 -56.4 -54.4 -61.2 -53.6 -55.8 -44.6 -33.8 -25.6 2013 -25.6 -36.9 -50.1 -53.3 -59.6 -49.6 -56.6 -52.7 -47.7 -46.6 -32.0 -25.6 2014 -26.6 -37.3 -52.6 -55.6 -53.3 -54.5 -59.7 -56.1 -50.2 -50.4 -36.9 -27.6 2015 -26.6 -38.3 -49.0 -53.3 -57.0 -55.8 -58.7 -59.9 -58.7 -46.2 -34.0 -26.9 2016 -28.1 -36.5 -47.3 -54.0 -55.8 -61.0 -60.9 -51.0 -57.4 -45.3 -32.5 -25.8 2017 -27.3 -37.3 -48.1 -56.5 -51.0 -60.7 -53.8 -59.8 -55.5 -46.9 -33.8 -27.1 2018 -25.8 -35.9 -49.2 -52.3 -50.0 -49.9 -56.5 -50.8 -55.6 -48.8 -38.0 -24.9 2019 -26.4 -32.2 -50.0 -52.8 -58.5 -56.6 -58.9 -57.1 -56.2 -44.3 -35.9 -26.2 2020 -26.3 -37.1 -50.4 -53.2 -51.1 -52.5 -55.9 -54.3 -53.5 -49.4 -33.3 -27.1 2021 -28.1 -40.5 -46.1 -54.4 -54.0 -59.2 -57.4 -57.0 -53.1 -47.6 -35.9 -25.2 2022 -25.6 -37.0 -47.1 -55.2 -58.6 -50.5 -55.7 -56.3 -58.7 -46.6 -38.6 -28.8 2023 -29.1 -37.3 -47.0 -51.6 -57.2 -56.4 -53.2 -55.1 -53.1 -48.1 -36.9 -25.6 2024 -27.5 -36.9 -47.9 -55.1 -55.3 -55.3 -50.4 -48.9 -56.0 - -39.0 -