Halley_1_3 00Z msl_pressure 1957 994.0 989.8 987.2 988.8 993.5 988.6 984.4 993.9 990.7 989.9 994.2 997.2 1958 989.6 993.9 986.0 991.6 995.2 988.3 992.5 982.2 981.4 980.1 988.7 986.9 1959 988.3 986.2 990.1 987.6 986.3 997.1 983.9 993.7 987.1 982.4 976.8 991.2 1960 988.1 991.4 978.4 988.3 994.4 991.6 983.3 986.1 988.4 986.6 982.9 986.9 1961 992.7 998.4 991.9 990.8 987.9 995.7 990.6 988.9 994.3 972.1 984.4 984.5 1962 986.7 990.0 985.4 984.0 991.7 999.9 986.5 987.7 986.4 984.2 989.8 988.6 1963 985.2 988.8 981.3 989.9 996.0 986.7 988.3 997.2 991.6 987.8 981.5 991.0 1964 996.3 991.7 985.5 986.8 983.0 1004.4 1008.2 991.5 981.2 980.6 993.9 993.0 1965 995.8 1000.9 987.2 990.6 997.2 982.0 991.5 994.1 989.6 987.4 979.0 998.9 1966 989.6 993.6 993.9 978.1 993.7 990.4 992.3 980.2 982.0 983.1 991.4 991.5 1967 997.5 995.3 989.8 994.1 991.8 993.2 986.5 987.1 988.3 984.6 989.2 991.1 1968 992.3 993.8 993.7 992.9 994.2 986.2 987.4 984.9 982.1 989.6 992.2 993.7 1969 1000.3 993.4 986.5 988.8 989.2 990.0 986.5 987.6 986.1 983.8 985.6 992.8 1970 988.7 989.5 990.1 988.6 991.9 992.6 991.5 986.5 992.1 990.3 989.0 995.3 1971 995.3 991.4 986.8 990.9 997.9 988.8 993.4 990.9 987.0 982.6 986.5 994.3 1972 996.8 992.0 993.7 995.2 991.5 993.2 1000.0 994.2 989.6 986.8 983.8 992.0 1973 995.1 990.7 981.1 983.5 993.2 996.3 983.7 989.0 986.7 987.7 984.8 985.8 1974 996.0 985.9 986.1 992.0 982.4 996.2 987.6 998.7 977.2 988.3 994.8 997.6 1975 995.8 989.9 986.5 983.0 989.9 988.3 994.8 984.9 982.5 981.1 984.5 991.6 1976 995.5 989.4 989.9 984.5 986.7 990.2 990.5 978.5 979.7 977.4 994.7 1005.9 1977 997.2 989.2 989.7 992.3 989.0 993.9 990.7 992.5 979.3 980.1 986.2 993.3 1978 988.9 986.3 988.4 988.6 991.8 990.0 994.4 978.5 981.9 984.9 988.9 988.7 1979 991.4 989.0 984.9 982.0 984.8 987.2 979.6 988.3 987.9 984.5 990.4 997.2 1980 991.0 994.4 989.3 991.4 989.3 987.1 992.9 990.2 993.6 984.8 989.5 993.6 1981 991.1 987.9 995.7 988.6 992.2 988.0 991.7 993.6 985.8 983.7 980.9 982.9 1982 991.9 989.1 983.3 980.0 984.2 990.6 987.5 983.6 976.7 986.3 988.5 999.1 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 - - - - - - - - - - - - 1990 - - - - - - - - - - - - 1991 - - - - - - - - - - - - 1992 - - - - - - - - - - - - 1993 - - - - - - - - - - - - 1994 - - - - - - - - - - - - 1995 - - - - - - - - - - - - 1996 - - - - - - - - - - - - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -