Elaine 18Z pressure 1986 - 992.6 989.5 980.0 994.1 991.7 979.7 980.2 976.3 972.6 975.1 981.8 1987 993.6 988.0 984.5 987.3 983.7 987.4 991.7 975.1 989.4 978.4 977.8 985.8 1988 988.4 983.6 985.5 982.3 990.2 995.6 975.9 977.0 - - - - 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - 975.8 983.8 979.0 979.7 977.6 970.2 975.2 973.2 972.9 977.6 980.2 1994 983.1 980.4 976.2 983.2 983.8 996.5 985.4 972.1 985.1 976.2 982.5 979.0 1995 979.0 979.3 988.9 980.2 978.0 985.5 998.7 983.4 975.2 978.1 977.6 976.4 1996 984.5 987.6 981.9 976.6 983.9 979.3 980.2 986.4 985.6 970.5 985.2 983.9 1997 990.7 993.0 982.3 988.3 978.1 991.4 982.1 981.3 985.7 982.6 993.9 993.7 1998 988.2 984.3 986.3 978.5 986.4 981.7 983.5 982.3 991.4 985.0 977.5 984.4 1999 986.6 990.8 987.7 984.8 982.0 1003.9 984.9 986.4 987.5 969.5 976.8 977.3 2000 982.3 986.5 987.7 988.7 987.7 989.7 985.8 987.8 992.2 979.4 987.8 999.9 2001 994.9 991.8 987.2 983.6 988.7 987.7 991.8 985.5 982.6 977.7 981.7 982.5 2002 987.2 981.9 994.8 985.2 997.8 997.3 991.4 982.6 989.9 995.4 987.9 984.1 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - 977.2 977.0 - - 974.7 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -