Limbert pressure 1995 - - - - - - - - - - - 979.1 1996 987.5 982.7 984.4 995.8 985.4 993.7 982.9 989.2 996.1 974.0 977.5 985.1 1997 985.3 991.4 980.5 989.4 986.7 998.5 986.9 984.7 990.8 989.8 995.3 993.2 1998 983.7 987.3 987.4 980.6 987.9 989.5 982.4 984.2 - 981.5 - - 1999 - - - 981.8 - - - - - - - - 2000 - - 997.7 986.0 991.4 990.5 995.7 - - 986.5 988.9 990.6 2001 989.6 995.0 991.2 986.9 994.4 990.9 - - - 972.5 975.5 973.1 2002 983.9 978.5 994.3 990.0 998.1 990.8 992.2 984.2 997.7 990.0 988.4 - 2003 - - - - - - - - - - - - 2004 - 991.8 984.8 990.4 986.3 984.4 981.5 980.8 975.6 981.2 986.5 990.6 2005 986.6 976.4 987.3 983.8 991.7 994.5 992.1 981.6 992.5 982.6 984.9 994.4 2006 978.8 - - - - - - - - - - - 2007 - 983.6 985.1 995.1 994.3 991.3 991.4 984.0 986.1 980.5 984.4 975.9 2008 979.1 979.1 987.6 984.4 983.6 986.7 984.9 974.5 983.9 978.7 975.7 970.7 2009 979.4 984.0 981.8 983.4 990.2 989.8 985.5 994.5 982.5 973.1 983.4 983.3 2010 989.0 990.3 982.2 982.8 980.2 975.3 975.1 983.6 983.7 971.7 972.2 983.4 2011 987.3 981.6 991.5 987.2 984.6 988.4 993.3 995.3 987.2 980.7 980.8 976.8 2012 976.3 979.4 982.8 992.5 989.2 979.4 984.3 982.8 983.5 976.3 985.1 989.1 2013 984.2 980.3 985.8 975.3 985.1 978.5 982.9 986.6 983.4 980.4 973.0 983.0 2014 986.2 983.1 983.6 986.1 - - - - - - - 976.9 2015 982.5 979.5 978.1 976.3 985.0 984.5 975.6 972.2 975.4 981.0 - 980.9 2016 - - - - - - - - - - - 987.2 2017 - - - - - - - - - - - 980.0 2018 - 979.5 977.6 985.9 981.2 985.8 978.8 980.6 980.1 985.3 971.8 973.7 2019 980.0 985.8 983.8 982.8 981.2 984.3 992.3 989.0 979.9 982.1 981.5 992.0 2020 983.8 986.9 981.5 981.3 986.3 984.7 990.2 995.7 981.9 978.0 969.5 973.6 2021 981.6 977.1 979.8 977.2 983.0 988.8 990.6 978.3 953.0 975.7 973.7 965.0 2022 982.4 978.8 985.6 984.8 987.2 982.1 980.6 986.0 978.2 974.1 - - 2023 975.2 982.4 977.4 983.4 980.4 993.7 984.7 976.6 988.7 976.1 972.9 976.9 2024 981.3 978.2 981.3 978.1 982.8 987.7 984.2 993.9 975.6 980.5 975.3 -