Zhongshan 06Z msl_pressure 1990 - - - - - - - - 978.5 990.1 - - 1991 - - - 986.2 989.6 - - - - - - - 1992 - - - - - - - 981.7 - - - - 1993 - 982.4 987.5 - 983.5 986.2 980.8 979.2 982.2 980.0 985.2 986.8 1994 989.6 - - - - - 989.9 - - - 992.9 - 1995 - 988.8 - - - 991.4 - 985.6 - - 987.7 985.4 1996 - - - - - - - - - - - - 1997 - - - 992.8 - - - - - - - 992.9 1998 - - 984.5 - - 984.3 987.1 979.6 988.9 986.2 979.4 982.1 1999 989.2 - 991.5 - - 998.1 - - 988.0 - 982.1 979.3 2000 981.6 - - - - - - 983.5 - - - - 2001 - - - - 988.4 985.9 - 983.2 - - - - 2002 983.8 979.7 - - - - 989.9 981.0 988.1 994.4 986.8 - 2003 - - - - 989.8 - 988.1 - - - - - 2004 - - - - - - 981.5 980.5 979.6 - - - 2005 - - - - - - - - - - - 998.0 2006 - 988.4 985.3 986.7 - - 977.2 995.7 987.2 - 982.1 985.5 2007 - 984.8 - - - - 997.2 985.3 986.1 - 986.3 984.1 2008 986.1 982.6 988.0 990.6 991.7 986.5 988.8 983.3 984.1 978.3 981.8 - 2009 987.5 - - - - - - - - - - -