Halley_1_3 06Z msl_pressure 1957 994.1 989.7 987.1 988.5 993.2 988.2 984.1 993.5 990.1 989.9 994.1 997.2 1958 989.4 993.7 985.9 991.1 995.1 988.3 992.0 981.8 980.7 979.8 988.6 986.8 1959 988.2 986.1 989.9 987.0 986.6 997.0 983.9 993.1 986.8 981.8 976.9 991.1 1960 987.9 991.1 977.9 988.2 994.1 991.4 982.9 985.7 988.4 986.5 982.6 986.7 1961 992.8 998.4 991.9 990.4 987.3 995.5 990.4 988.5 993.7 972.5 984.3 984.4 1962 986.4 989.8 985.1 983.8 991.3 999.7 986.1 987.1 986.1 984.0 989.5 988.7 1963 984.8 988.9 980.9 989.5 995.8 986.4 988.2 997.4 991.2 987.5 981.3 991.4 1964 996.1 991.7 985.1 986.6 982.6 1004.4 1007.9 991.0 980.9 980.3 993.8 993.4 1965 995.7 1000.8 986.9 990.8 996.8 982.0 991.1 993.9 989.3 987.1 978.9 998.7 1966 989.3 993.9 993.7 977.6 993.7 990.3 991.6 980.3 981.5 983.2 991.5 991.5 1967 997.5 995.3 989.7 993.5 991.8 992.6 986.1 987.0 988.2 984.6 989.1 990.9 1968 992.2 993.8 993.6 992.6 993.7 986.0 987.2 984.5 981.9 989.5 992.2 993.7 1969 1000.2 993.3 985.9 988.9 989.1 989.7 986.2 986.9 986.1 983.7 985.6 992.5 1970 988.8 989.5 989.8 988.4 991.7 992.4 991.3 986.2 991.7 989.9 989.1 995.3 1971 995.4 991.2 986.6 991.1 997.7 989.0 993.1 990.5 986.5 982.4 986.7 994.2 1972 996.7 991.7 993.4 995.0 991.0 993.1 999.5 994.2 989.2 986.6 983.6 992.1 1973 995.0 990.4 981.4 983.6 992.7 995.9 983.8 988.6 986.3 987.7 984.5 985.9 1974 995.7 985.7 986.0 991.5 982.5 996.0 987.4 998.5 976.5 988.5 994.7 997.7 1975 995.5 989.9 986.3 982.5 989.3 988.2 994.1 984.6 982.1 981.0 984.8 991.5 1976 995.4 989.3 989.7 984.4 986.8 989.8 990.6 977.9 979.7 977.3 994.8 1005.7 1977 996.8 989.1 989.4 991.9 989.0 993.4 990.8 992.1 978.8 979.4 986.2 993.1 1978 988.8 985.9 988.4 988.1 991.7 990.0 993.9 978.8 981.3 984.9 989.0 988.8 1979 991.2 988.8 985.0 981.4 984.7 987.1 979.2 987.8 987.4 984.4 990.2 997.1 1980 991.0 994.3 989.1 991.1 988.8 987.1 992.6 990.0 993.3 984.4 989.3 993.6 1981 990.9 987.9 995.6 988.0 991.9 987.7 991.3 993.9 985.4 983.6 981.7 982.6 1982 992.0 989.4 983.1 980.0 984.5 990.4 986.8 983.5 976.6 986.7 988.4 999.1 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 - - - - - - - - - - - -