Great_Wall 00Z station_level_pressure 1994 - - - - - - - - - - - - 1995 992.0 991.5 - - 992.5 990.1 990.3 994.5 987.7 992.9 981.8 985.3 1996 989.7 990.6 985.2 995.1 983.4 990.4 989.7 989.4 995.2 985.1 978.2 988.0 1997 - - 990.3 984.2 997.4 1000.6 990.5 984.6 992.4 990.3 - - 1998 984.6 993.1 989.1 994.5 999.3 995.8 977.5 985.1 989.6 980.5 983.8 980.9 1999 988.9 983.3 994.0 987.7 991.6 996.6 990.6 987.4 990.1 985.0 988.7 982.2 2000 981.0 994.6 1002.1 - - - - - - - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - 989.1 - - - 999.9 990.5 - 981.5 - 2007 990.2 987.0 988.4 988.8 - - 994.9 - 997.4 985.1 990.4 984.4 2008 - - - 988.0 992.9 993.6 995.6 990.3 1002.4 - 983.6 980.8 2009 984.2 - - - - - - - - - - -