Syowa 12Z 30hPa temperature 1959 - - - - - - - - - - - - 1960 - - - - - - - - - - - - 1961 - -37.2 -45.0 -54.7 - - - - -71.7 -56.6 -41.7 -33.0 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - - -41.8 - - - - - -76.7 - -30.1 -32.5 1967 -34.9 -37.7 - - - -80.8 - -79.1 -66.7 - -33.8 -33.1 1968 -33.1 -38.7 - - - - - - - - - - 1969 - - - - - - - - - - - - 1970 - - - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 - - -49.1 -59.3 -72.3 -80.5 -83.0 -81.6 -62.0 -48.8 -29.8 -32.7 1975 -34.0 -38.7 -48.3 -60.9 -74.1 -83.0 -82.8 -71.0 -66.6 -57.6 -37.9 -34.0 1976 -36.2 -39.0 -46.0 -59.6 - -80.7 -84.4 -78.9 -68.2 -58.0 -33.8 -34.2 1977 -34.6 -39.2 -49.1 -60.1 -70.8 -77.6 -87.6 -81.4 -67.5 -47.8 -29.1 -32.0 1978 -32.6 -37.2 -45.5 -60.4 -72.0 -80.9 -84.9 -79.3 -66.4 -50.5 -31.1 -33.9 1979 -35.2 -37.5 -48.0 -59.3 -71.8 -80.2 -84.6 -79.1 -69.5 -32.0 -34.9 -34.4 1980 -34.2 -40.5 -46.1 -55.8 -66.8 -76.5 -83.7 -80.7 -74.0 -56.0 -35.5 -33.9 1981 -37.6 -42.9 -50.8 -61.5 -72.9 -77.3 -82.9 -81.1 -67.2 -52.1 -39.0 -36.0 1982 -38.0 -41.0 -50.9 -61.5 -74.2 -80.5 -83.3 -82.9 -71.9 -62.7 -35.4 -35.4 1983 -35.9 -40.6 -50.3 -62.4 -71.5 -80.7 -84.0 -81.4 -67.5 -59.6 -36.0 -36.4 1984 -37.2 -41.9 -50.1 -62.3 -69.9 -81.5 -86.2 -82.2 -72.1 -51.1 -33.6 -35.8 1985 -38.4 -42.9 -52.7 -63.6 -74.2 -84.3 -82.8 -81.4 -75.4 -61.3 -37.9 -33.2 1986 -37.2 -42.5 -51.1 -63.1 -67.2 -81.0 -82.5 -80.8 -72.6 -52.1 -33.3 -32.1 1987 -37.7 -41.2 -49.4 -60.8 -75.8 -81.7 -84.2 -85.3 -76.4 -63.5 -44.5 -33.5 1988 -36.6 -41.5 -51.9 -63.0 -73.7 -81.6 -82.4 -71.2 -51.2 -40.7 -31.5 -36.4 1989 -37.9 -42.8 -52.5 -63.2 -71.7 -81.1 -85.1 -84.3 -72.7 -55.9 -38.0 -35.4 1990 -37.2 -41.8 -51.9 -61.5 -69.9 -83.6 -84.8 -81.3 -76.7 -53.6 -41.3 -34.8 1991 -36.7 -42.6 -50.5 -60.5 -73.2 -79.3 -82.4 -79.9 -69.5 -37.1 -34.1 -37.0 1992 -37.8 -41.0 -50.3 -62.1 -71.0 -74.9 -79.4 -81.9 -73.0 -56.9 -38.0 -34.3 1993 -36.2 -41.0 -48.8 -61.4 -74.6 -83.5 -84.6 -82.0 -71.3 -55.5 -34.7 -32.4 1994 -36.3 -43.7 -51.8 -62.0 -72.6 -77.0 -85.4 -85.7 -78.0 -51.5 -28.0 -33.8 1995 -36.4 -41.2 -51.6 -62.2 -74.3 -82.3 -86.2 -80.6 -67.2 -64.7 -34.0 -34.1 1996 -36.1 -42.0 -51.8 -62.9 -77.5 -79.2 -83.4 -80.7 -72.6 -67.1 -44.7 -32.3 1997 -37.0 -42.3 -51.1 -64.6 -72.9 -83.1 -85.1 -79.4 -70.3 -63.4 -34.5 -35.6 1998 -37.4 -40.6 -51.1 -62.0 -73.1 -78.6 -87.0 -85.0 -76.6 -60.5 -39.7 -34.0 1999 -36.4 -42.8 -51.2 -63.0 -73.7 -82.4 -85.5 -85.3 -70.4 -60.6 -45.3 -31.3 2000 -36.2 -41.2 -51.2 -62.9 -75.0 -82.6 -86.2 -83.1 -66.9 -44.9 -36.2 -36.8 2001 -37.1 -43.1 -49.5 -62.8 -73.1 -80.5 -85.6 -86.1 -76.0 -63.6 -44.2 -32.2 2002 -36.3 -41.0 -48.0 -61.4 -67.2 -71.0 -81.8 -82.1 -61.1 -46.1 -35.0 -37.8 2003 -38.6 -42.6 -51.5 -63.0 -76.0 -82.2 -86.9 -84.3 -76.7 -57.8 -36.7 -36.3 2004 -37.4 -42.0 -49.8 -60.1 -72.9 -82.7 -85.0 -77.1 -65.8 -53.6 -34.9 -33.9 2005 -37.9 -42.1 -51.4 -64.9 -71.4 -80.8 -85.9 -82.1 -74.9 -53.3 -31.2 -38.1 2006 -37.7 -41.8 -48.8 -61.4 -75.4 -83.5 -83.7 -86.6 -78.5 -71.5 -47.2 -30.2 2007 -36.4 -41.2 -50.2 -63.9 -73.8 -81.5 -86.5 -83.0 -75.7 -59.0 -38.6 -34.9 2008 -36.5 -41.4 -51.5 -60.5 -67.8 -83.0 -87.3 -86.0 -78.7 -57.3 -40.3 -33.3 2009 -36.7 -41.8 -51.3 -64.0 -73.3 -82.3 -85.2 -86.1 -73.8 -65.8 -37.8 -32.2 2010 -37.6 -43.0 -51.6 -61.8 -75.2 -81.9 -83.4 -82.2 -75.8 -61.6 -41.8 -38.7 2011 -37.3 -43.1 -51.2 -62.5 -73.2 -84.6 -87.4 -84.2 -80.2 -55.9 -40.1 -35.1 2012 -35.3 -41.6 -49.5 -63.5 -74.5 -82.5 -82.5 -78.9 -70.7 -45.4 -39.3 -37.3 2013 -37.0 -42.0 -51.4 -65.0 -74.0 -84.1 -85.5 -82.6 -61.0 -45.0 -40.1 -37.9 2014 -38.6 -41.6 -51.1 -62.6 -74.7 -82.9 -85.5 -83.9 -77.5 -60.3 -36.6 -34.5 2015 -37.2 -43.0 -51.4 -64.0 -75.9 -81.5 -85.8 -85.1 -73.5 -64.4 -39.8 -35.5 2016 -35.6 -43.4 -52.8 -65.1 -73.1 -81.4 -86.4 -82.5 -74.8 -58.2 -36.3 -35.6 2017 -38.4 -43.1 -52.9 -63.6 -75.5 -82.1 -85.6 -81.5 -63.7 -56.1 -42.6 -37.4 2018 -38.6 -43.3 -53.2 -59.6 -74.8 -83.1 -86.4 -85.5 -78.0 -59.5 -44.6 -37.3 2019 -38.4 -42.1 -51.0 -62.1 -74.3 -83.1 -81.4 -80.5 -43.1 -52.2 -37.4 -38.4 2020 -38.3 -41.2 -51.1 -60.4 -72.3 -84.8 -83.2 -80.7 -73.2 -71.1 -54.2 -36.3 2021 -36.9 -40.3 -52.0 -63.1 -75.2 -83.2 -86.7 -82.3 -79.9 -63.8 -48.3 -33.5 2022 -37.8 -41.8 -51.7 -64.7 -74.8 -83.8 -86.9 -86.3 -78.6 -66.5 -40.9 -32.8 2023 -37.6 -42.6 - - - - - - -76.6 -62.0 - - 2024 - -44.0 - - - - - - - - - -