Byrd temperature 1980 - - -24.8 -21.9 -26.0 -35.0 -25.8 -28.9 -34.5 -27.6 -22.4 -14.8 1981 - -23.1 -23.9 -31.4 -32.1 -30.0 -35.8 -43.0 -35.2 -28.9 -23.1 -14.7 1982 -13.7 -20.0 -29.9 -38.8 -35.8 -30.5 -36.6 -31.8 -36.3 -30.0 -21.7 -13.1 1983 -15.1 -26.5 -27.9 -28.4 -29.5 -39.6 -40.0 -42.5 -34.1 -31.1 -22.9 -15.7 1984 -15.3 -19.5 -21.6 -27.6 -29.7 -28.9 -40.1 -39.2 -36.8 -25.3 -20.2 -12.8 1985 -13.6 -23.0 -27.3 -28.5 - -30.3 -41.4 -39.1 -33.4 -29.1 -16.3 -15.7 1986 -14.8 -19.8 -27.8 -27.6 -27.0 -36.9 -36.4 -40.6 -44.7 -29.8 -20.8 -14.3 1987 -13.8 -19.1 -32.9 -32.9 -31.3 -28.8 -28.3 -32.1 -34.2 -28.4 -23.5 -14.0 1988 -13.6 -20.7 - - - - - - - - - - 1989 - - - - - - - - - - - - 1990 - -20.1 -32.3 -29.7 -27.6 -38.6 -36.5 -40.3 -30.4 - - - 1991 - -15.8 -29.1 -28.4 -30.1 -32.1 -35.6 -37.6 -31.2 -25.9 -20.4 -11.0 1992 -14.6 -22.5 -22.8 -28.7 -24.0 - - - - - - - 1993 - - - - - - - - - - - - 1994 - -21.9 -29.6 -25.9 -29.9 -31.7 -33.0 -38.9 -36.5 -25.4 -16.9 -11.8 1995 -14.1 -16.8 -29.4 -29.2 -35.7 -26.5 -35.1 -34.6 -32.5 -31.1 -21.4 -13.9 1996 -13.8 -20.8 -26.7 - - - - - - - - - 1997 - -20.1 -26.8 -33.0 -34.0 -28.6 -34.6 -38.8 -33.4 -23.8 -18.2 -10.5 1998 -13.5 -15.6 -27.1 -33.0 -24.0 -25.8 -40.1 -34.6 -35.7 -32.0 -22.5 -14.5 1999 -12.7 -22.1 -26.2 -33.6 -32.8 - - - - - - -14.3 2000 -16.9 -19.1 -21.9 -33.8 -29.3 -30.0 -29.3 -34.1 - - - - 2001 - - - - - - - - - - - - 2002 -13.4 -20.2 -19.9 - - - - - - - - -14.3 2003 -12.4 -20.0 -22.5 -28.3 -31.5 -33.1 -36.0 -36.3 - - -20.7 -13.1 2004 -13.7 -21.0 -28.1 -29.7 - - - - - - - -14.2 2005 -9.7 -23.0 -28.3 -31.8 -30.3 - - - - - - - 2006 - -15.3 -28.9 -35.8 -37.2 -31.7 -36.5 -29.6 - -26.1 -19.2 -14.4 2007 -10.4 -19.7 -22.5 -25.9 -27.0 -29.4 -29.5 -37.0 - - -18.3 -14.1 2008 -12.3 -19.8 -23.0 -29.3 -32.0 - - - - -25.0 -22.4 -15.9 2009 -14.4 -20.9 -24.5 -28.2 -32.9 -34.1 -26.9 -33.5 -35.9 -30.8 -16.8 -12.2 2010 -14.1 -18.5 -22.2 -29.8 -35.7 -35.9 -40.4 -31.4 -33.4 -28.2 -22.5 -14.9 2011 -15.3 -21.8 -26.0 -30.3 -31.6 -33.8 -23.4 -29.2 -38.4 -26.2 -20.1 -14.8 2012 -15.4 -18.9 -24.1 -29.8 -26.7 -37.3 -37.0 -36.4 -33.7 -27.1 -22.0 -11.7 2013 -12.4 -19.8 -21.7 -36.5 -33.0 -40.1 -38.3 -33.6 -33.9 -28.4 -23.7 -13.3 2014 -14.1 -21.4 -28.1 -31.5 -26.6 -33.0 -38.3 -29.4 -25.8 -25.1 -24.6 -17.9 2015 -13.2 -17.3 -27.8 -36.9 -27.6 -36.2 -38.3 -42.5 -32.4 -25.9 -23.0 -15.5 2016 -12.2 -22.8 -30.7 -31.4 -29.8 -34.4 -31.8 -33.9 -37.4 -24.8 -20.9 -12.9 2017 -15.0 -17.4 -24.1 -24.3 -28.1 -31.7 -39.2 -34.7 -42.6 -28.4 -22.5 -16.1 2018 -15.5 -20.5 -26.0 -30.3 -34.9 -36.1 -32.6 -40.1 -35.9 -24.0 -20.2 -14.9 2019 -13.6 -18.3 -26.2 -31.0 -33.6 -29.8 -31.7 -31.1 -30.6 -29.5 -20.9 -13.2 2020 -15.1 -15.8 -28.4 -31.3 -26.1 -35.2 -30.5 -35.9 -33.6 -29.8 -24.0 -16.4 2021 -15.7 -21.9 -30.4 -35.4 -30.6 -29.7 -30.5 -39.8 -35.5 -28.9 -20.6 -16.5 2022 -16.1 -19.1 -25.5 -29.1 -29.0 -35.0 -30.4 -32.1 -32.7 -31.6 -23.5 -13.1 2023 -15.7 -19.2 -26.3 -31.4 -35.3 -32.9 -29.7 -45.6 -26.5 -31.2 -22.2 -15.0 2024 - - - - - - - - - - - -