Zhongshan 18Z msl_pressure 1989 - - 988.1 992.1 976.6 985.2 981.6 989.2 982.5 981.1 991.2 989.5 1990 990.9 985.7 989.3 996.3 997.3 993.6 999.2 982.5 977.5 988.8 988.3 987.6 1991 985.4 991.6 984.1 985.8 988.5 992.1 992.9 983.5 989.5 979.4 988.4 995.3 1992 989.9 993.6 989.6 989.9 997.8 998.4 986.5 983.5 981.7 986.3 981.4 988.0 1993 994.8 982.0 987.0 987.7 984.6 986.0 980.5 978.5 982.2 979.7 984.8 986.7 1994 989.7 984.0 982.5 991.4 992.6 999.9 989.7 983.2 984.1 982.4 992.3 984.3 1995 986.8 988.8 987.5 989.4 986.0 990.9 997.3 986.2 972.9 985.9 987.2 983.9 1996 990.8 990.9 984.6 987.2 988.4 990.5 989.9 986.6 995.4 982.6 991.8 991.0 1997 989.7 986.2 979.8 992.8 984.1 992.7 978.6 984.0 982.8 984.9 992.0 992.9 1998 986.9 986.1 984.8 977.6 985.0 985.1 986.6 978.1 989.1 986.2 979.7 981.3 1999 988.8 990.3 990.7 984.3 984.7 997.9 986.4 982.0 986.2 972.2 983.1 978.9 2000 981.8 983.6 986.1 988.4 984.4 990.1 986.4 984.7 987.0 978.7 988.6 994.0 2001 986.2 993.7 985.6 980.4 988.3 985.7 987.5 983.1 979.7 979.4 981.6 982.8 2002 983.2 980.2 992.5 985.0 997.1 988.2 990.0 980.9 988.2 993.6 985.7 982.1 2003 993.4 989.5 987.4 983.6 989.6 998.5 989.1 980.8 983.8 985.0 986.1 993.8 2004 987.2 992.4 981.8 983.6 989.5 982.5 981.6 980.9 979.6 983.8 987.7 990.0 2005 988.6 984.2 987.2 983.3 990.0 994.1 988.3 981.7 980.6 982.1 984.6 997.2 2006 987.6 988.1 984.7 987.1 984.8 984.2 977.9 995.3 987.1 979.7 981.7 985.0 2007 989.5 984.3 988.8 990.2 987.6 995.2 998.9 986.1 986.7 984.7 986.3 983.7 2008 985.9 982.7 988.1 990.3 991.3 986.8 988.6 982.0 984.2 977.6 981.5 985.9 2009 987.0 988.0 986.2 990.0 992.3 993.9 988.5 991.1 988.2 984.1 989.8 987.6 2010 993.8 991.9 988.1 989.4 987.0 979.0 977.7 979.1 982.3 983.2 985.0 991.9 2011 993.2 987.3 988.5 991.0 987.6 995.8 993.9 988.2 988.5 984.0 994.8 981.5 2012 981.0 989.4 985.8 985.4 989.1 990.0 982.8 985.1 983.2 983.4 992.4 993.3 2013 989.1 983.3 983.2 989.0 986.6 996.4 987.9 997.4 990.5 989.2 990.5 989.9 2014 989.8 987.1 989.6 988.9 992.8 990.2 986.2 983.6 990.1 984.3 987.4 983.5 2015 987.7 981.7 984.1 984.0 988.3 988.6 985.8 978.9 982.3 988.3 982.8 987.8 2016 985.0 987.3 980.0 986.2 986.2 984.5 - 990.8 980.6 984.4 - - 2017 993.9 990.1 988.9 983.1 984.2 990.4 988.0 979.5 981.0 987.2 984.2 986.6 2018 986.1 986.2 991.2 991.3 989.4 996.6 984.6 990.0 979.3 979.1 983.2 987.3 2019 985.8 - 987.8 990.7 994.6 985.4 989.1 983.1 - 991.1 995.5 997.3 2020 992.1 987.8 982.2 988.6 986.2 989.1 987.8 991.8 981.4 982.0 987.7 981.6 2021 983.8 982.4 988.1 983.3 987.3 - - 980.9 977.5 980.8 983.4 981.7 2022 - - 985.7 984.2 - 993.8 - 986.3 977.3 982.3 - - 2023 - - - - - 994.6 989.4 - - 984.6 985.4 - 2024 - - - - - - - - - - - -