Mawson 12Z msl_pressure 1954 - - 991.9 983.5 991.4 992.9 1000.7 991.7 980.7 982.1 991.2 995.3 1955 986.2 988.9 991.3 994.7 989.8 985.9 988.7 1002.1 980.4 989.0 991.3 993.9 1956 997.1 989.4 991.6 991.8 993.1 991.0 992.7 988.3 987.6 979.9 988.7 996.0 1957 991.1 989.9 990.7 991.7 996.1 995.8 990.4 991.4 985.8 984.1 994.4 995.6 1958 992.0 993.8 990.8 991.1 996.5 992.8 987.7 983.5 982.3 987.4 988.4 982.8 1959 991.1 987.4 988.0 995.7 992.6 997.9 990.3 993.3 983.6 986.9 981.6 990.7 1960 988.2 986.3 982.8 991.9 993.2 990.8 989.0 988.1 978.3 987.8 983.9 982.9 1961 987.9 990.2 986.2 989.8 988.5 992.8 983.7 984.4 992.2 986.1 987.8 983.5 1962 986.2 986.0 986.4 986.0 991.4 1001.3 986.8 982.5 988.9 981.1 989.6 985.4 1963 983.2 987.6 984.8 990.3 993.2 990.8 986.9 999.6 991.0 984.4 979.4 990.1 1964 997.1 989.7 985.9 986.0 982.4 999.9 1005.8 984.3 980.8 980.6 988.0 986.8 1965 992.5 998.0 986.7 992.7 995.6 994.7 989.4 989.2 985.8 984.3 977.9 993.6 1966 987.1 993.1 992.4 989.3 992.0 989.0 991.9 981.7 983.1 978.4 991.1 991.7 1967 994.1 995.4 988.6 991.1 993.8 992.5 989.0 989.0 984.2 988.7 990.8 988.2 1968 990.6 991.6 992.7 989.7 995.5 993.3 984.5 987.3 981.5 985.3 988.5 990.4 1969 997.4 994.0 988.2 994.9 992.6 1002.1 982.9 980.7 985.8 989.8 987.5 987.2 1970 986.5 988.5 987.7 991.3 987.7 992.4 987.9 982.4 987.9 988.3 988.3 992.0 1971 994.3 989.6 988.6 994.4 997.2 986.0 989.8 986.0 988.9 984.8 987.8 990.9 1972 992.5 991.9 994.7 994.2 994.8 995.4 991.4 993.4 992.2 985.1 982.5 992.7 1973 993.3 989.0 983.4 990.4 995.6 991.6 987.9 982.3 983.6 982.7 981.9 984.5 1974 989.0 983.9 986.3 992.6 995.1 988.1 989.6 995.6 982.6 983.6 989.2 994.7 1975 990.6 991.4 991.8 986.0 997.7 993.5 995.0 985.5 983.2 982.0 982.9 992.0 1976 990.3 988.2 989.7 982.5 986.2 989.5 983.3 985.6 980.9 977.9 991.5 1000.1 1977 992.4 989.7 990.8 991.4 993.5 993.4 993.9 991.8 981.3 981.8 984.6 987.2 1978 985.3 989.0 990.0 988.1 991.6 986.5 996.8 981.1 987.5 988.6 984.9 988.6 1979 987.8 988.4 985.3 992.0 986.0 986.3 980.2 983.8 979.8 983.1 987.3 992.2 1980 992.1 990.3 991.8 992.3 993.2 987.8 989.5 992.8 987.8 983.6 988.0 990.2 1981 989.6 987.9 993.8 998.2 991.7 988.3 997.1 992.3 987.1 983.1 983.2 983.4 1982 992.2 985.8 985.0 987.3 988.2 990.4 988.1 987.4 982.7 987.1 991.1 996.9 1983 991.4 992.2 989.5 984.6 992.5 992.2 986.6 984.0 983.2 981.2 983.6 984.4 1984 991.5 990.8 987.9 987.8 994.8 991.6 987.4 990.0 983.3 982.1 986.0 995.0 1985 994.4 989.0 987.5 992.7 992.1 992.5 982.3 983.2 984.5 981.9 979.6 984.2 1986 990.3 993.6 992.8 987.1 993.0 993.6 982.8 988.0 975.2 976.4 984.8 985.0 1987 995.0 990.2 988.6 991.9 991.7 991.0 989.2 978.3 988.3 980.5 981.4 986.7 1988 990.0 986.7 988.3 986.6 994.6 1000.9 983.9 984.9 988.5 992.3 983.4 986.9 1989 991.8 986.2 989.1 994.5 979.9 984.5 983.3 985.2 984.3 982.5 990.9 987.3 1990 991.2 986.2 990.6 994.3 998.7 993.9 1002.6 982.3 976.2 988.4 986.6 985.8 1991 984.3 992.2 983.2 984.6 989.2 993.6 991.9 983.2 988.8 980.1 987.6 996.9 1992 989.9 993.0 991.4 993.0 998.9 999.6 987.6 982.4 983.4 984.3 979.0 987.5 1993 994.3 984.0 989.7 989.5 986.7 986.8 983.3 981.9 984.4 981.9 985.3 986.2 1994 987.8 985.4 984.5 993.2 995.9 997.8 991.7 985.5 985.5 984.4 992.0 984.7 1995 986.8 989.7 989.0 989.3 987.2 991.9 992.4 991.1 974.3 989.1 989.3 985.1 1996 990.0 992.0 986.2 990.3 991.4 990.1 995.2 987.4 998.8 982.1 991.5 990.3 1997 990.5 987.9 980.3 996.0 987.1 995.8 981.7 984.7 986.8 986.1 994.0 991.7 1998 987.5 986.5 988.5 979.5 988.2 985.6 985.8 978.9 990.3 987.0 977.6 982.3 1999 989.1 989.3 989.1 986.8 985.3 999.3 987.5 985.1 988.7 975.1 984.7 979.8 2000 981.6 985.0 985.9 988.9 985.8 991.1 989.3 986.5 991.4 983.2 990.8 994.7 2001 987.2 992.0 989.3 984.6 991.3 990.8 991.4 985.1 983.8 982.6 981.0 980.3 2002 986.0 982.5 994.1 989.5 998.4 990.4 993.4 985.2 989.0 994.5 987.3 982.5 2003 993.4 990.6 988.7 987.2 992.5 998.1 990.3 982.7 983.7 987.6 987.8 993.5 2004 987.0 994.2 983.1 987.4 989.5 985.8 982.1 980.0 981.9 986.1 983.8 989.6 2005 989.3 985.4 987.1 985.3 992.2 996.5 990.6 984.9 982.0 983.8 985.5 997.1 2006 987.4 989.6 986.1 989.1 987.7 985.7 979.7 999.8 986.0 980.9 981.1 987.3 2007 988.4 986.9 992.6 991.6 987.3 998.0 999.2 987.7 988.8 987.1 985.2 980.6 2008 987.2 982.5 990.3 992.9 991.9 989.4 986.8 986.3 986.8 980.3 981.2 983.4 2009 988.2 986.0 986.9 991.6 993.5 996.7 989.6 993.4 988.6 985.9 990.2 987.5 2010 994.8 993.6 988.8 990.4 987.5 980.7 978.1 979.4 981.2 984.7 985.5 990.7 2011 992.7 990.9 988.2 994.3 987.4 997.2 992.4 991.9 989.1 986.9 991.9 983.8 2012 980.1 989.0 988.6 986.1 991.9 988.6 983.4 988.5 983.9 982.8 991.0 992.3 2013 985.3 984.2 985.2 987.2 989.3 996.0 987.1 998.2 990.0 986.4 989.4 988.8 2014 990.6 987.8 991.6 990.6 990.0 991.7 987.7 985.1 989.7 985.3 987.9 981.0 2015 987.5 983.0 984.3 984.4 989.8 989.9 988.0 980.1 980.7 988.8 983.2 986.7 2016 983.8 987.3 982.9 986.0 987.8 985.9 984.8 991.4 981.7 985.8 990.6 988.1 2017 994.4 990.2 990.8 986.9 982.7 991.3 985.9 981.5 981.9 989.0 984.1 984.1 2018 985.7 987.5 993.5 992.2 989.6 997.2 984.3 982.2 981.4 982.1 983.7 987.7 2019 985.9 989.2 988.4 990.5 995.8 983.9 992.0 - 979.6 990.4 993.0 998.4 2020 991.4 988.4 985.8 991.6 983.5 987.0 988.3 988.3 981.9 983.4 985.5 981.5 2021 983.2 982.4 991.9 983.2 988.5 991.0 991.2 981.7 978.8 981.1 982.8 980.3 2022 987.9 984.3 986.6 986.6 990.9 993.1 983.9 986.4 978.2 981.8 978.7 980.4 2023 980.0 985.0 989.0 990.6 989.2 994.0 989.5 989.0 987.2 985.9 984.9 983.3 2024 985.0 983.6 983.8 987.0 - - - - - - - -