Halley_1_3 12Z msl_pressure 1957 994.0 989.6 987.1 988.5 993.6 987.6 983.9 993.5 990.2 990.2 994.1 997.5 1958 989.6 993.7 985.9 991.0 995.3 989.1 991.8 982.1 980.2 980.5 988.8 986.9 1959 988.5 986.5 990.0 987.0 986.6 996.7 984.2 993.1 986.8 981.9 977.2 991.3 1960 988.0 991.0 978.2 988.5 994.0 991.4 983.5 986.1 989.0 986.6 982.8 986.9 1961 993.0 998.6 992.1 990.4 987.3 995.3 990.7 988.6 993.3 972.9 984.7 984.5 1962 986.8 989.9 985.3 984.1 991.3 999.7 986.4 986.7 986.2 984.2 989.7 988.9 1963 984.6 988.9 980.9 989.8 995.9 986.3 988.2 997.6 991.1 987.7 981.4 991.6 1964 996.4 991.8 985.3 987.1 982.6 1004.6 1008.2 991.0 981.2 980.4 993.9 993.6 1965 995.9 1000.8 986.9 991.3 996.6 982.1 991.2 994.1 989.5 987.1 979.3 999.0 1966 989.5 994.1 993.6 977.4 994.0 990.7 991.9 980.4 981.5 983.3 991.6 991.7 1967 997.4 995.4 989.8 993.6 992.0 992.4 986.2 986.9 988.2 984.7 989.1 991.1 1968 992.4 994.0 993.7 992.9 993.6 985.9 987.4 984.7 982.6 990.1 992.4 993.6 1969 1000.4 993.3 986.2 989.2 989.5 989.9 986.3 987.2 986.6 983.6 985.8 992.5 1970 989.0 989.8 989.7 988.8 991.6 992.5 991.3 986.9 992.2 989.8 989.6 995.3 1971 995.3 991.3 986.8 991.2 997.5 989.3 993.4 990.6 986.6 983.1 986.8 994.5 1972 997.0 991.6 993.6 995.4 990.7 993.0 999.5 994.6 988.9 986.7 983.8 992.3 1973 995.1 990.3 981.5 983.8 993.1 996.0 984.0 988.7 986.6 987.9 984.3 986.5 1974 995.9 985.7 986.5 991.7 982.9 995.9 987.6 998.7 976.4 988.5 995.2 997.8 1975 995.6 990.1 986.4 982.3 989.8 988.3 993.9 984.8 982.4 980.8 985.1 991.7 1976 995.5 989.5 989.7 984.7 987.2 990.3 990.7 977.9 980.2 976.4 995.2 1005.7 1977 997.0 989.0 989.9 992.0 989.3 993.2 991.2 992.3 978.6 979.7 986.4 993.2 1978 989.1 986.0 988.6 987.9 992.0 990.1 993.9 978.5 981.3 985.1 989.0 988.8 1979 991.1 988.9 985.3 981.5 985.0 987.1 978.9 988.1 987.4 984.6 990.3 997.2 1980 991.2 994.3 989.5 991.3 988.8 987.2 992.8 990.4 993.5 984.5 989.2 993.8 1981 991.0 988.2 995.9 988.2 992.0 988.0 991.6 994.1 985.5 983.9 981.7 982.9 1982 992.0 989.4 983.1 979.8 984.9 990.4 987.0 983.3 977.3 987.0 988.9 999.6 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 - - - - - - - - - - - -