Casey 18Z station_level_pressure 1959 - 981.5 984.5 983.8 986.5 986.0 985.6 983.8 976.3 978.6 972.4 990.3 1960 981.2 979.8 969.9 982.4 983.3 982.9 983.4 980.2 972.3 979.1 981.2 981.0 1961 984.6 990.9 983.6 983.7 981.6 - 981.9 - 985.1 977.2 979.9 981.0 1962 982.0 977.6 979.5 977.6 985.8 990.7 979.4 974.6 977.0 975.8 986.1 982.5 1963 980.0 979.3 979.8 978.0 986.4 981.0 981.0 - 977.2 975.4 975.5 985.9 1964 991.1 986.9 982.2 979.0 975.9 1002.5 999.6 986.7 972.4 974.7 987.2 989.5 1965 988.4 994.6 979.8 986.9 988.7 983.5 978.9 981.9 980.2 978.1 978.7 991.8 1966 985.0 986.8 986.8 982.9 989.7 986.3 988.4 972.1 980.5 975.3 981.7 989.8 1967 993.5 989.7 984.3 988.0 984.9 987.2 981.2 976.7 975.1 975.0 988.9 987.8 1968 986.8 986.7 989.2 984.6 988.4 986.2 977.8 981.9 980.4 984.2 987.8 986.0 1969 992.5 987.7 985.6 989.3 981.5 993.6 975.3 975.6 976.4 982.9 981.0 985.6 1970 985.2 981.3 982.3 988.0 983.1 989.7 982.0 978.4 992.4 980.0 980.6 991.8 1971 989.9 986.6 975.1 983.7 990.4 978.1 983.5 986.2 985.7 980.2 982.9 991.4 1972 986.8 984.0 987.4 988.5 983.7 988.8 984.4 988.6 - 976.0 980.1 986.4 1973 990.7 983.3 973.9 983.4 991.8 988.0 976.0 974.8 981.1 983.1 981.3 980.3 1974 983.8 982.1 977.9 986.1 987.2 988.8 987.8 992.4 971.6 979.9 986.3 990.6 1975 989.7 985.5 982.2 979.2 992.8 986.7 988.0 978.4 978.7 980.2 979.5 987.3 1976 990.5 982.9 982.3 982.8 978.5 984.2 981.3 977.6 974.3 975.9 986.8 997.4 1977 989.0 981.9 980.9 983.4 986.3 990.7 984.4 978.1 968.0 972.1 979.8 985.6 1978 981.9 981.6 985.6 983.7 984.7 986.3 987.0 967.3 975.9 974.7 984.2 986.4 1979 984.8 984.3 977.2 979.5 979.0 979.7 969.1 978.4 979.0 974.5 986.0 990.2 1980 986.0 984.6 982.7 985.5 981.6 978.2 985.0 982.6 979.3 979.8 984.2 984.9 1981 986.7 982.8 983.6 985.1 985.7 986.8 979.5 985.9 978.0 970.5 984.1 980.7 1982 986.7 983.9 975.3 975.8 980.9 979.4 986.9 976.3 972.5 982.8 988.0 992.3 1983 989.8 986.0 983.2 982.7 983.6 986.3 980.9 980.2 975.2 976.9 978.0 980.3 1984 990.1 982.6 976.2 987.0 982.1 982.1 978.8 983.6 974.6 973.2 985.3 994.8 1985 990.5 981.1 979.1 983.9 988.8 989.7 970.0 977.3 976.7 977.6 974.6 985.3 1986 986.6 989.8 988.3 981.3 989.0 989.0 979.6 976.5 972.0 974.2 978.5 981.5 1987 991.3 983.5 979.6 982.9 980.8 980.1 986.2 970.0 976.9 973.1 976.1 984.6 1988 987.1 981.8 986.8 982.0 992.1 995.3 975.6 981.2 986.2 988.1 980.3 981.9 1989 989.3 977.6 977.9 981.0 966.4 977.4 969.7 982.2 975.1 974.8 979.8 989.3 1990 984.2 977.1 979.4 989.6 990.8 986.4 980.7 975.5 970.6 982.2 981.4 981.7 1991 979.2 982.7 975.6 977.2 979.2 980.3 988.6 971.9 975.8 968.1 980.4 986.6 1992 982.6 988.0 981.1 977.1 986.0 988.1 976.3 974.6 967.8 977.3 974.3 980.4 1993 985.7 975.0 978.1 975.6 971.6 977.4 968.3 965.8 970.9 970.8 974.0 979.6 1994 982.2 976.9 973.6 979.2 984.8 991.1 978.8 973.1 976.8 974.0 983.8 975.5 1995 978.5 980.6 979.8 977.3 975.8 984.6 996.9 976.0 966.6 977.4 981.8 978.4 1996 986.8 983.8 974.7 978.1 979.1 984.0 979.4 977.7 982.9 972.5 983.0 983.4 1997 981.0 978.1 974.3 977.4 978.8 981.9 973.2 975.2 974.7 975.6 985.0 984.1 1998 979.7 977.3 975.7 968.5 971.6 978.6 977.5 976.8 974.9 975.6 979.2 974.9 1999 981.9 982.6 981.6 975.7 974.2 991.1 979.5 973.9 978.2 968.5 976.7 973.7 2000 975.4 975.7 979.3 985.5 975.0 980.5 979.5 980.2 979.3 972.3 982.7 988.2 2001 981.2 986.9 976.5 973.9 983.3 977.1 977.5 976.1 967.9 975.7 980.6 980.5 2002 977.0 974.9 985.3 976.9 988.3 984.3 980.7 969.4 979.0 986.0 976.3 977.5 2003 986.3 987.3 979.9 975.7 981.0 991.2 974.9 967.8 975.8 979.3 977.0 987.4 2004 981.4 981.7 972.9 974.8 982.2 974.2 972.6 976.6 968.5 975.0 981.2 985.8 2005 982.5 975.2 980.7 972.3 980.2 987.7 979.3 974.9 972.7 973.1 978.1 990.1 2006 981.9 980.0 975.2 980.3 972.3 - 969.2 984.5 978.6 972.9 981.1 978.2 2007 983.6 977.9 981.3 979.2 - - 991.7 978.1 980.5 977.2 980.1 977.1 2008 979.4 977.2 979.4 981.3 980.4 978.2 977.7 971.7 969.8 970.3 980.1 978.6 2009 978.2 - - - - - - - - - - -