Gill 00Z pressure 1985 - 985.2 982.0 984.2 - 980.0 972.2 980.6 971.9 972.9 969.5 976.6 1986 986.7 990.8 989.9 978.6 990.1 988.4 977.8 980.7 977.0 970.7 974.2 980.6 1987 990.2 987.8 986.4 987.3 981.7 984.7 990.0 974.8 986.7 976.6 977.6 983.4 1988 987.1 983.7 985.3 980.8 987.6 993.2 974.1 974.0 981.8 986.4 981.1 981.2 1989 982.8 985.9 982.6 986.3 968.6 979.3 - - - - - - 1990 - - - - - - - - - - - - 1991 - 987.5 979.0 982.7 983.8 987.1 - 979.9 975.0 975.5 980.4 992.7 1992 987.5 993.5 984.5 982.2 987.5 991.0 978.5 983.4 - - 975.8 980.9 1993 994.3 977.0 983.0 978.6 980.8 974.7 968.9 974.7 973.1 973.5 978.0 982.7 1994 983.2 981.7 977.2 982.8 982.1 996.0 985.9 - - - 983.9 979.6 1995 979.2 979.5 989.1 980.7 979.3 983.8 999.5 - - - - 975.8 1996 983.6 988.7 983.4 975.4 983.4 978.7 978.1 984.5 985.1 969.4 985.1 983.0 1997 986.8 988.6 977.9 982.8 969.0 983.6 975.5 973.7 977.6 974.6 984.0 989.6 1998 985.4 979.4 979.1 973.1 979.9 973.2 976.8 975.5 985.8 977.0 970.8 981.2 1999 981.0 985.8 983.7 979.0 974.9 998.1 976.0 981.0 978.0 962.5 969.0 973.6 2000 976.6 982.4 981.5 979.9 980.2 983.1 977.1 980.7 985.7 974.7 978.8 995.6 2001 991.4 986.2 983.1 976.2 981.9 978.8 983.3 981.4 974.8 968.8 973.8 975.1 2002 982.5 975.1 987.4 978.4 989.0 992.9 985.9 975.4 983.7 987.7 983.0 977.7 2003 990.4 988.3 982.3 976.1 973.8 990.5 975.4 975.5 977.2 969.4 980.8 992.2 2004 985.7 994.1 983.9 975.9 979.6 974.8 976.4 979.1 980.1 977.9 973.2 989.2 2005 985.8 977.8 980.5 977.5 977.4 986.5 978.5 974.8 974.2 968.4 977.5 993.4 2006 984.5 984.4 983.8 985.5 975.7 979.0 975.0 988.0 979.9 974.5 976.5 982.2 2007 985.0 981.4 987.3 981.7 982.7 981.2 992.7 974.1 973.9 979.9 979.6 973.3 2008 978.4 978.4 983.4 982.3 980.4 973.7 976.1 980.4 967.2 971.7 976.4 979.0 2009 979.3 985.8 980.1 980.8 987.3 986.7 987.4 985.5 979.8 973.2 979.8 980.7 2010 995.7 989.5 983.3 977.0 979.0 973.3 965.4 970.2 977.9 972.1 970.2 986.4 2011 989.7 981.3 985.6 983.5 972.9 981.7 979.5 982.7 984.9 974.2 981.1 973.2 2012 974.5 980.6 978.6 976.2 973.0 985.8 973.7 978.2 974.1 973.5 983.7 985.7 2013 984.5 974.8 972.1 979.3 978.2 988.8 975.1 985.2 983.8 977.1 974.1 981.2 2014 986.1 979.8 978.1 974.5 978.5 976.5 978.9 967.4 976.8 967.2 981.8 979.9 2015 981.8 973.1 977.8 975.7 979.7 978.0 969.8 971.6 969.3 972.6 971.5 982.6 2016 975.5 976.6 975.2 980.9 978.3 972.6 983.0 983.2 966.0 974.1 987.6 985.0 2017 990.0 985.5 985.6 976.0 970.7 975.9 973.3 968.9 - 977.0 971.6 - 2018 - - - - - - - - - - - - 2019 982.4 982.6 980.5 975.4 979.2 967.4 981.5 976.6 965.4 975.2 986.1 990.7 2020 987.8 978.8 974.0 975.7 972.9 972.3 977.3 979.9 977.9 965.5 972.7 972.4 2021 975.7 972.9 982.6 975.4 978.0 975.4 982.2 983.3 968.8 972.2 969.5 968.6 2022 979.1 975.2 975.0 976.3 972.7 986.1 967.9 971.7 968.0 973.5 973.1 972.5 2023 974.9 979.0 979.9 986.9 975.5 981.2 981.1 981.8 972.1 970.5 977.8 974.7 2024 977.7 981.2 977.3 969.2 970.9 969.8 981.9 986.4 979.5 - - -