Zhongshan 00Z msl_pressure 1990 - - - - - - - - 978.5 988.7 - - 1991 - - - - - - 992.4 984.0 - - - - 1992 - - - - - - - 981.9 - - - - 1993 - 982.1 988.3 - 984.3 986.5 980.9 978.9 981.4 980.0 985.4 986.9 1994 990.2 - - - - - 989.8 - - - - - 1995 - 989.5 - 989.4 - 991.3 - - - - - - 1996 - - - - - - - - - - - - 1997 989.7 986.9 - 993.3 - - - 984.4 982.8 986.0 - 993.2 1998 - - 984.8 - 986.0 984.1 986.8 979.5 988.6 986.2 - - 1999 - - - - - - - - - - - - 2000 - - - - - - - 984.1 - - - - 2001 - - - - 988.0 986.2 - 982.9 - 979.4 - - 2002 - 979.9 - - - - 990.1 981.3 987.9 994.7 986.8 - 2003 - 989.0 - 982.8 989.8 - 988.2 - - - - - 2004 - - - - - - 981.4 980.6 979.4 - - - 2005 988.8 - - - - - - - - - - 997.8 2006 - 988.3 985.3 986.5 - - 977.2 995.5 987.3 - 981.8 985.6 2007 - 985.0 - - - - 997.6 985.6 986.3 - 986.2 984.2 2008 986.2 982.8 987.9 990.0 991.5 986.3 988.9 982.8 984.0 978.1 980.6 - 2009 987.5 - - - - - - - - - - -