Enigma_Lake 18Z pressure 1993 - 962.7 960.7 968.9 971.8 966.1 - - - - - - 1994 - - 951.7 959.5 957.3 971.8 960.6 948.8 961.2 951.0 - 955.2 1995 955.3 955.1 963.0 956.2 952.7 962.0 973.5 958.6 950.0 953.3 952.3 - 1996 959.8 963.3 956.4 951.6 959.0 954.5 955.0 960.8 962.8 945.0 961.2 959.8 1997 962.6 961.9 952.1 958.7 946.9 959.2 952.6 949.6 953.5 950.1 - - 1998 - - - - - - - - - - - 955.8 1999 957.6 960.5 957.5 953.5 952.2 970.8 951.3 956.2 955.1 939.4 946.1 949.3 2000 952.8 955.5 957.3 956.0 956.4 958.3 955.0 957.1 960.6 949.8 955.2 969.2 2001 964.2 962.4 957.2 951.5 957.4 954.8 960.0 955.0 952.5 945.7 - 951.1 2002 956.7 951.1 963.2 953.8 964.9 965.3 960.4 951.0 959.4 962.5 956.8 953.0 2003 964.6 963.7 958.2 951.5 950.6 965.3 952.2 950.4 951.1 947.7 955.5 966.9 2004 958.9 967.1 956.8 953.1 954.8 951.4 949.6 954.1 955.9 952.6 951.2 964.5 2005 960.5 952.7 956.4 953.7 953.6 961.3 955.0 949.3 951.0 - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -