Palmer 00Z msl_pressure 1978 - - - - - - - - - - - - 1979 993.5 987.5 993.7 981.2 998.0 989.5 987.3 986.3 991.0 983.8 992.9 995.1 1980 990.0 - - - - - - - - - - - 1981 989.3 - 997.4 995.7 993.1 994.5 994.1 - 990.0 988.6 977.8 - 1982 - 985.8 - 980.8 990.4 999.8 990.0 996.0 992.8 988.0 989.8 993.8 1983 991.9 987.2 987.5 997.0 996.7 991.6 986.2 990.7 991.3 982.6 - 987.2 1984 - - - - - 997.1 999.1 989.7 - - - - 1985 992.5 983.8 989.1 986.0 994.8 1007.8 - - - - - 980.7 1986 984.3 - 987.4 988.1 997.6 - 983.3 981.7 - - 983.7 983.3 1987 985.6 - - - - - - - - 986.9 977.8 - 1988 - 989.1 984.8 990.9 998.4 992.2 992.2 1000.2 - 1000.4 - 983.0 1989 991.0 985.8 - - - - - 998.8 - - 983.9 991.6 1990 - 989.8 - 991.9 1002.6 982.7 989.4 977.9 - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - 991.9 - - 984.6 986.6 982.4 984.4 1994 985.2 - - 994.0 - - - 985.2 - 988.4 991.1 - 1995 - - - 987.2 - 989.8 989.6 994.0 - - 981.8 - 1996 - 989.4 - - - - - - - - - - 1997 - - - 985.1 - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - 984.8 - - - - - - - - 2001 988.0 - - - - - - - - - - 980.3 2002 - - 992.3 986.3 994.9 991.4 996.5 1000.1 1002.7 988.2 990.2 988.5 2003 992.4 985.4 997.1 994.4 990.1 997.5 981.2 982.9 989.0 983.6 984.2 995.6 2004 985.9 997.0 987.4 991.1 993.1 989.3 989.5 990.7 979.8 988.0 993.0 991.3 2005 986.2 985.0 989.8 983.4 994.6 996.7 996.9 991.5 999.7 991.8 992.5 994.8 2006 992.0 996.1 977.4 - 985.9 998.1 993.1 1000.9 989.5 989.7 981.5 983.6 2007 991.7 987.9 988.9 990.4 999.5 991.2 993.8 985.5 995.2 983.0 990.1 984.1 2008 986.8 987.1 989.4 985.6 990.4 990.5 994.3 989.0 997.6 983.8 981.2 980.2 2009 982.7 986.2 987.1 990.8 984.7 988.0 992.9 1000.9 988.0 976.1 985.4 987.2 2010 990.6 994.5 986.5 983.6 984.1 985.3 991.2 990.0 989.7 980.4 984.1 980.9 2011 992.4 987.1 990.2 986.4 987.1 991.3 999.0 1004.3 993.1 985.8 986.5 985.2 2012 985.3 983.9 989.0 994.3 991.9 976.3 987.7 985.9 992.7 982.8 985.6 993.4 2013 988.8 987.9 995.8 984.5 986.1 979.0 985.0 988.8 996.2 983.4 979.0 987.5 2014 991.1 989.6 982.6 995.6 992.2 992.2 992.1 996.3 - 981.0 980.0 983.1 2015 990.4 986.0 987.4 987.2 990.6 982.7 985.0 983.8 984.3 992.0 - 986.1 2016 989.0 985.9 983.5 987.8 1004.1 990.6 996.9 994.6 987.9 994.0 984.9 991.7 2017 988.0 993.4 1000.5 994.8 989.1 987.2 983.3 987.9 978.5 985.6 989.4 980.9 2018 987.5 984.9 981.2 989.3 990.5 995.3 994.5 989.6 991.4 997.1 - 981.3 2019 986.2 992.1 992.2 987.0 988.9 995.3 1003.1 998.5 992.5 989.8 989.3 994.9 2020 991.9 996.4 988.4 989.2 999.4 994.9 - 993.9 988.7 985.6 984.1 983.4 2021 988.6 986.8 985.9 988.3 995.4 997.0 994.2 984.8 983.8 978.2 985.8 982.2 2022 990.4 988.5 995.4 988.1 994.0 988.2 990.8 993.4 987.3 979.3 980.2 985.6 2023 984.5 989.0 981.6 987.0 983.2 994.5 996.3 988.8 997.7 982.2 983.5 987.5 2024 986.9 988.9 991.8 977.8 - - - - - - - -