Nico 12Z temperature 1993 - -41.3 -52.3 -57.3 -56.7 -59.8 -57.9 - -58.6 -49.1 -36.2 -27.4 1994 -26.9 -42.4 -52.6 -57.0 -57.4 -54.0 -59.9 -57.9 -57.1 -49.2 -35.9 -26.6 1995 -28.5 -39.7 -51.5 -57.5 -60.5 -57.7 -54.9 -61.9 - -47.7 -36.1 -25.1 1996 -27.2 -36.5 -55.7 -53.6 -60.0 -59.4 -55.0 -52.7 -58.6 -49.8 -34.3 -24.6 1997 -27.0 -41.4 -54.0 -55.3 -58.3 -55.9 -65.1 -58.8 -60.0 -51.4 -32.3 -25.1 1998 -26.2 -37.1 -52.0 -61.9 -58.6 -56.1 -57.8 -61.7 -61.4 -51.1 -35.9 -25.6 1999 -24.2 -38.4 -53.7 -60.8 -57.1 -58.2 -62.2 -56.7 -61.3 -49.5 -37.4 -28.4 2000 -27.7 -41.5 -55.3 -61.2 -59.9 -58.3 -61.0 -59.6 -60.7 -49.2 -32.6 -24.1 2001 -26.0 -37.7 -55.6 -59.3 -57.2 -57.4 -59.5 -63.6 -57.2 -50.7 -32.8 -24.3 2002 -24.3 -39.1 -50.1 -53.5 - - - - - - - - 2003 - - - - - - - - - - - - 2004 - -36.2 -53.7 -54.2 -58.1 - - - - - -36.8 -22.8 2005 -23.3 -38.4 -51.1 -54.4 -59.0 -58.9 -62.6 -60.7 -53.4 -47.1 -36.6 -22.6 2006 -26.0 -40.6 -54.3 -56.3 -56.5 -57.9 -65.2 -57.4 -60.0 -51.8 -35.2 -26.8 2007 -25.1 -40.8 -57.1 -60.6 -53.5 -51.8 -58.5 -60.5 -59.6 -47.3 -35.5 -26.6 2008 -27.6 -40.4 -51.6 -53.9 -58.3 -61.2 -56.7 -60.0 -54.8 -48.7 -36.2 -25.1 2009 -24.6 -40.1 -51.6 -60.0 -50.8 -54.6 -58.5 -60.2 -57.3 -48.5 -34.3 -23.9 2010 -23.3 -36.6 -49.7 -62.2 -53.1 -60.0 -57.3 -57.0 -61.7 -47.0 -34.7 -24.5 2011 -24.1 -36.2 -54.5 -59.3 -61.8 -61.1 -57.4 -55.8 -59.1 -47.4 -32.3 -24.3 2012 -26.4 -38.8 -51.3 -59.5 -59.2 -57.9 -60.9 -61.9 -60.1 -48.4 -33.7 -22.1 2013 -24.5 -41.7 -50.8 -57.5 -62.8 -52.8 -58.3 -53.9 -50.5 -47.1 -32.0 -23.1 2014 -25.2 -41.5 -55.6 -54.3 -55.3 -54.6 -61.2 -58.8 -57.9 -49.0 -33.7 -24.5 2015 -27.2 -40.8 -52.1 -54.4 -57.0 -58.2 -61.4 -58.3 -59.0 - - -27.4 2016 -29.4 -40.5 -52.3 -54.8 -55.7 - - - - -48.4 -33.0 -25.6 2017 -27.0 -39.1 -51.8 -57.9 -56.3 - - - - - - - 2018 - - - - - - - - - - - -23.7 2019 -27.9 -36.4 -49.9 -56.4 -56.0 -61.2 -58.8 -61.7 -59.7 -49.5 -35.8 -26.3 2020 -28.0 -39.8 -52.6 -52.8 -56.7 -54.3 -60.3 -62.2 -59.1 -50.5 -33.7 -25.7 2021 -28.2 -42.2 -49.8 -57.9 -57.9 -63.5 -60.8 -62.7 -59.5 -51.1 -36.4 -26.5 2022 -27.6 -38.7 -54.4 -58.7 -57.3 -53.1 -61.0 -55.1 -57.9 -49.4 -37.6 -28.6 2023 -30.5 -41.0 -50.8 -54.1 -57.4 -55.4 -59.0 -57.0 -55.7 -49.1 - -28.0 2024 -30.5 -40.9 -52.7 -58.6 -56.3 -55.7 -53.8 -54.7 -59.2 -48.2 -37.5 -