Palmer 18Z station_level_pressure 1979 992.1 988.0 992.4 978.9 998.4 989.8 987.2 986.8 991.1 982.6 993.0 995.1 1980 989.2 991.1 991.1 - 994.2 983.4 - 992.7 988.9 - - - 1981 992.1 989.5 994.3 - 992.6 993.1 993.5 991.4 992.2 - 988.7 995.6 1982 - 990.6 989.1 989.8 992.1 995.4 992.0 993.8 993.0 990.7 992.3 994.2 1983 992.4 988.8 987.4 998.0 998.2 989.9 986.0 989.2 991.0 981.9 978.0 - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 986.5 989.8 - - - - - - - - 983.4 984.0 1987 988.8 992.7 - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - 984.9 - - - - 1994 - - - 991.3 - - - 983.6 - 988.8 - - 1995 - - - 987.1 - - - - - 990.1 982.1 - 1996 - - - - - - - - 990.0 - - - 1997 - - - - 997.7 - - 982.4 - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - - - - - - - - - 980.1 2002 - - 991.1 985.2 993.8 990.8 - 999.0 1001.3 986.7 988.9 987.4 2003 991.5 984.2 996.6 991.9 989.8 996.4 980.5 982.1 987.6 982.5 983.1 994.6 2004 984.8 995.5 986.1 991.0 992.9 988.5 988.3 988.8 977.7 987.4 991.5 990.1 2005 985.6 984.0 988.8 982.4 993.6 995.6 996.1 991.3 998.1 989.6 991.3 993.9 2006 991.0 994.6 976.6 - - 996.3 992.6 998.9 988.8 986.9 980.6 983.3 2007 990.3 986.6 987.4 990.1 997.0 990.8 993.0 984.0 993.7 981.4 989.1 982.1 2008 985.6 986.2 987.6 984.5 989.5 988.7 994.1 987.8 996.2 980.9 981.3 980.5 2009 981.4 985.1 985.1 989.1 984.8 987.2 992.0 999.4 986.5 975.2 984.4 986.0 2010 989.1 993.3 985.8 982.7 982.5 983.6 989.8 989.1 988.0 981.3 983.1 980.3 2011 991.2 986.6 989.0 984.9 986.2 990.5 998.4 1003.1 991.4 983.6 985.5 983.6 2012 983.9 982.2 988.3 992.9 991.0 974.9 985.8 985.2 991.9 980.7 984.4 993.0 2013 986.7 987.3 994.8 983.0 985.2 978.3 983.7 988.7 996.2 981.0 978.3 987.0 2014 990.2 988.3 981.7 994.6 991.1 990.4 991.4 995.1 - 979.2 978.7 982.6 2015 988.9 985.1 985.6 986.5 988.6 981.9 984.3 981.8 982.9 991.1 981.0 985.4 2016 987.4 985.0 982.2 986.7 1003.5 988.9 995.6 993.3 988.0 991.5 983.8 991.3 2017 986.5 992.9 - 993.6 988.4 985.7 983.3 986.7 972.7 979.0 984.0 975.4 2018 981.4 980.2 975.9 983.4 985.8 989.8 989.1 983.6 985.1 990.9 - 974.9 2019 980.7 987.2 985.4 980.5 984.6 988.9 997.4 991.7 986.1 983.6 983.7 989.2 2020 986.0 990.4 981.2 983.4 993.5 989.8 - 987.1 982.9 979.4 977.3 978.8 2021 981.9 982.0 980.3 982.2 990.6 990.6 987.4 980.1 977.8 973.1 980.4 977.1 2022 983.8 982.9 989.2 983.3 987.9 980.6 984.6 986.5 981.4 974.2 974.8 980.2 2023 978.9 982.9 976.1 981.4 977.5 989.4 988.8 981.8 991.5 975.6 976.9 981.6 2024 980.6 982.8 984.9 978.2 - - - - - - - -