McMurdo 00Z station_level_pressure 1956 - - - 988.6 988.3 988.0 987.6 991.0 979.7 976.6 982.8 993.6 1957 991.4 988.1 982.7 990.4 992.8 993.8 984.1 987.1 980.6 985.2 986.7 995.7 1958 988.0 987.7 993.3 994.6 990.6 995.3 992.1 985.8 977.2 980.0 981.4 983.0 1959 988.0 985.0 985.1 991.2 992.3 992.4 989.2 994.0 976.8 983.8 979.1 990.1 1960 990.6 989.5 979.8 991.4 986.4 984.9 983.4 990.4 975.8 980.6 984.8 985.4 1961 988.2 996.2 994.0 987.2 992.4 994.2 988.2 985.4 990.8 980.7 984.4 983.0 1962 985.3 989.8 991.4 982.4 984.3 997.0 979.4 987.0 991.4 981.9 988.5 986.1 1963 984.5 986.5 989.7 989.0 991.9 984.7 986.4 1003.1 988.2 980.7 977.7 989.7 1964 998.4 992.2 989.3 983.9 977.2 993.7 1002.4 997.8 976.9 979.0 989.8 992.2 1965 992.3 1002.1 989.1 986.0 1000.3 991.7 989.5 985.5 986.8 985.0 979.6 993.2 1966 989.1 991.8 995.0 989.8 997.4 982.7 994.5 976.8 980.3 973.8 985.8 991.2 1967 996.8 993.9 990.2 993.8 990.2 987.5 988.4 979.4 983.0 982.4 992.3 990.3 1968 990.4 990.2 991.8 986.3 999.9 990.1 980.9 989.7 989.2 986.2 990.3 990.9 1969 1000.8 991.6 988.6 994.4 991.4 1001.3 982.4 981.1 985.5 986.3 982.8 988.0 1970 986.4 987.0 985.9 991.1 982.5 984.9 993.4 975.2 988.8 984.3 985.4 994.0 1971 992.7 987.9 984.7 985.8 995.5 986.0 991.5 990.7 982.9 987.8 984.7 993.2 1972 998.1 989.2 992.0 997.8 989.1 993.9 990.5 992.5 984.9 973.7 979.6 992.4 1973 995.4 989.7 982.5 989.7 996.3 991.2 985.5 980.1 982.2 978.1 984.9 983.8 1974 993.9 981.3 985.0 985.3 988.9 996.2 989.1 997.5 980.6 982.7 990.3 992.9 1975 994.7 988.8 989.0 983.7 996.6 991.7 992.6 983.1 975.6 978.0 985.2 992.6 1976 994.3 988.2 985.5 982.0 988.7 990.3 988.1 983.1 978.9 980.8 988.5 1003.3 1977 996.0 990.4 989.9 991.5 988.7 993.1 986.6 989.0 979.8 974.8 980.3 990.8 1978 989.0 - 989.1 991.9 988.4 989.9 999.9 982.9 982.6 980.9 985.7 987.4 1979 987.6 986.5 982.1 985.1 985.2 980.6 976.3 987.1 980.3 981.7 984.6 992.8 1980 991.0 991.5 989.3 991.8 987.0 982.5 993.0 987.4 991.6 975.0 992.7 987.6 1981 987.1 989.5 991.8 993.2 987.3 980.0 988.5 996.5 989.1 982.3 978.1 980.2 1982 991.8 988.1 978.6 982.0 987.8 981.7 991.0 976.9 978.2 981.4 985.3 996.0 1983 993.6 996.0 986.7 981.3 987.1 989.8 983.0 979.0 984.9 971.4 974.5 987.1 1984 995.7 991.3 980.7 981.5 989.1 982.4 976.9 986.7 982.9 974.7 980.1 994.1 1985 993.3 987.8 986.9 987.2 989.5 985.5 975.5 985.1 976.0 976.1 972.4 981.4 1986 989.2 994.5 993.8 983.3 994.4 992.8 983.0 985.5 980.8 975.5 976.9 983.1 1987 994.9 989.6 - - - - - 978.0 990.2 981.2 979.9 987.1 1988 990.6 985.9 - 985.1 992.1 997.5 979.3 979.6 - - 983.0 - 1989 986.8 - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - 990.3 992.6 - - - - - - 1992 - - - - - - - - - - - - 1993 - - - 984.0 985.9 - - - - - - - 1994 - - 981.1 - - 1000.6 992.3 978.2 - - - - 1995 - 983.8 992.9 986.6 984.2 991.2 1003.3 989.3 - 981.8 980.4 979.5 1996 987.7 992.3 987.0 981.8 - 985.7 - - - 974.7 - 987.4 1997 990.4 991.7 983.0 - - - - - 982.7 979.8 990.1 992.6 1998 987.4 982.8 984.0 979.6 - - - 981.1 - 982.7 - - 1999 984.9 - 987.1 - - 1002.4 981.6 986.8 984.8 - - 977.1 2000 980.6 - - - - - 985.0 987.5 - - - 998.0 2001 992.9 990.7 987.5 - - 986.5 990.7 986.9 - 975.5 - - 2002 - 979.9 992.6 984.8 995.1 996.3 992.0 981.7 989.3 992.3 - 980.8 2003 - - 987.1 980.5 980.9 995.9 982.5 - - 977.1 - 995.5 2004 986.6 - - - - 981.8 - - 985.6 - - 992.5 2005 988.9 980.7 986.3 982.6 - 993.9 985.0 - - - 983.5 997.1 2006 988.1 987.3 - - - 984.8 980.3 - 986.9 - 981.5 - 2007 988.8 985.6 992.1 987.7 - - 999.4 981.9 981.0 984.4 984.0 978.8 2008 982.2 982.1 - 988.5 986.6 980.5 983.0 984.9 975.8 976.4 980.3 981.7 2009 981.8 987.5 983.9 985.6 992.5 992.5 992.9 990.7 985.1 979.2 985.6 983.3 2010 996.7 992.4 986.1 982.1 984.6 979.2 971.4 975.6 982.7 976.9 975.7 989.9 2011 992.1 986.5 991.7 990.3 980.4 988.7 986.5 989.1 990.6 980.3 987.7 977.4 2012 978.8 985.7 984.5 983.2 981.3 992.8 981.4 984.9 981.7 979.5 989.7 989.6 2013 987.9 980.0 977.3 953.1 985.8 996.2 982.2 991.9 991.8 983.8 981.5 985.3 2014 989.6 985.3 984.2 981.9 984.8 983.4 985.5 976.1 985.0 973.9 985.6 983.1 2015 985.4 978.5 983.6 982.3 986.3 986.1 977.7 978.2 976.7 980.0 977.4 986.0 2016 984.0 985.1 983.9 990.3 - 983.1 992.9 995.1 976.9 984.3 996.0 992.4 2017 997.1 992.9 993.7 987.4 981.8 986.5 985.2 981.0 983.1 986.7 980.3 988.4 2018 987.8 987.4 991.0 993.9 989.8 992.7 989.2 995.5 980.0 976.7 980.8 986.3 2019 990.2 992.6 990.1 987.4 990.7 978.3 993.0 988.3 978.0 987.0 992.3 998.4 2020 - 987.6 - - 981.0 979.5 985.0 986.9 985.3 974.3 977.6 977.2 2021 981.5 979.1 - 982.4 985.1 983.3 989.5 990.3 976.9 981.3 976.2 975.0 2022 983.5 981.5 982.7 983.5 980.2 992.8 977.4 980.2 976.0 - 977.1 977.8 2023 978.7 984.8 986.6 993.6 983.0 990.7 986.4 987.9 982.0 977.5 982.7 - 2024 983.3 985.1 983.6 977.3 - - - - - - - -