Manuela 00Z pressure 1984 - - 974.5 - - - - - - - - - 1985 - 982.3 981.9 982.5 - 978.7 968.9 979.5 971.1 972.0 967.9 977.0 1986 984.7 990.3 - 979.2 989.4 987.2 978.5 979.8 976.1 970.3 972.6 978.7 1987 990.8 983.9 981.2 984.4 979.6 - - - - - - - 1988 985.2 979.7 981.8 979.8 986.4 990.8 973.0 972.1 979.5 986.1 977.7 979.0 1989 981.4 980.0 979.7 983.5 967.5 976.7 975.3 978.5 979.8 971.5 972.8 985.0 1990 984.5 976.8 981.3 988.7 993.1 984.3 992.6 976.3 969.0 977.6 980.1 980.8 1991 978.2 984.5 976.0 983.3 983.2 986.2 - 979.1 977.1 974.5 979.0 990.5 1992 984.1 991.0 982.6 981.1 987.4 990.1 978.1 980.5 970.5 976.1 973.3 978.8 1993 991.3 975.5 981.9 978.5 978.9 973.8 968.6 974.2 972.6 972.8 976.2 978.8 1994 981.5 979.1 974.7 982.6 981.6 995.7 985.5 971.9 984.5 974.6 981.1 977.3 1995 977.0 977.9 986.9 979.2 976.7 985.7 996.6 983.0 974.8 976.6 975.1 974.6 1996 982.5 986.7 980.5 975.8 982.0 978.8 979.1 983.9 985.8 969.1 984.1 982.1 1997 984.4 985.6 975.1 981.8 970.0 983.5 975.6 974.0 977.2 974.0 984.2 987.0 1998 981.5 976.7 978.9 972.1 978.9 974.9 976.7 975.1 984.2 977.3 971.3 978.1 1999 980.2 983.2 981.5 977.3 975.2 995.5 975.2 980.6 979.3 962.9 969.3 971.6 2000 974.9 979.4 980.8 980.2 980.3 982.9 979.4 980.1 984.8 972.9 978.2 992.1 2001 987.2 985.5 981.3 976.2 981.1 979.3 983.6 978.6 976.3 969.8 973.7 973.5 2002 979.7 974.6 986.8 978.2 989.0 989.9 984.5 974.8 983.4 986.8 980.3 975.3 2003 - - - - - 989.1 - - - - - - 2004 - - - - - - - - - - - - 2005 982.8 975.1 - 976.0 977.0 985.7 978.3 973.0 - 969.6 - 991.7 2006 982.2 - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -