Mawson 00Z 30hPa height 1966 - - - - - - - - - - - - 1967 - - - - - - - - 22250.0 22853.5 23292.9 - 1968 - - 23627.7 23098.0 - - - - - 22756.7 24089.4 24172.4 1969 24218.3 24046.9 23459.0 22927.1 22570.0 - - - 21729.1 22223.5 23298.4 24033.5 1970 24141.7 23991.0 23624.7 23037.3 22451.7 - - - - 22344.8 23531.3 24043.5 1971 24243.5 24101.1 23572.1 23043.8 - - - - - 22454.2 - 24063.0 1972 - - 23489.1 23034.1 22385.7 - - - - - 23662.0 24063.8 1973 24136.3 23938.3 23536.7 23125.3 22654.7 - 21674.0 21535.0 22402.3 22436.7 23378.6 24051.2 1974 - - - - - - - - - - - - 1975 - - 23462.4 22873.1 - - - - - 22402.9 23364.2 24069.5 1976 24196.2 23966.4 23484.3 23024.4 - - - - - 22212.0 23759.5 24130.0 1977 - - 23523.6 22869.0 22518.6 22072.2 21638.3 - - 22835.5 23543.6 24118.0 1978 24134.4 23952.4 23569.0 22995.8 - - 21692.0 21311.7 - 22501.3 23642.5 23988.6 1979 24180.4 23956.9 - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 - - - - - - - - - - - - 1985 - - - - - - - - - - - - 1986 - - - - - - - - - - - - 1987 - - - - - - - - - - - - 1988 - - - - - - - - - - - - 1989 24097.8 23966.7 23548.3 23008.3 22450.5 21830.8 - - 21738.9 22299.7 23116.2 24069.6 1990 24122.6 23966.5 23553.5 23165.5 22870.0 21861.8 21979.4 21542.5 21488.7 22553.5 23199.6 23868.8 1991 24003.8 23897.8 23571.0 23007.6 22438.8 22141.4 21733.9 21646.7 21808.0 23062.7 23542.3 24172.5 1992 24131.1 23953.3 23568.5 23077.9 22640.0 22474.7 21757.9 21517.8 21714.8 22101.0 23058.2 23838.0 1993 24060.0 23921.2 23565.8 22991.5 22472.5 21702.3 21671.7 21432.6 21796.3 22461.4 23150.0 23773.9 1994 24011.5 23854.4 23393.4 23008.7 22599.4 22331.9 21622.4 21431.0 21506.3 22485.5 23711.1 23944.8 1995 24048.8 23910.5 23475.9 23107.5 22377.3 21825.5 21655.7 21669.8 21900.5 21997.9 23237.0 23622.3 1996 24004.2 23883.8 23498.0 23022.9 22201.7 22115.2 21769.8 21800.9 22247.9 21972.7 22823.5 23872.4 1997 24095.6 23938.4 23494.5 22981.7 22445.4 21856.2 - 21897.9 21973.2 22003.8 23708.1 23878.0 1998 24017.5 23839.5 23481.0 22877.4 22366.5 22116.4 21587.0 21356.6 21703.8 22018.2 22761.0 23425.4 1999 23901.7 23826.8 23470.2 22808.1 22384.5 21979.0 21513.5 21494.2 21919.0 22129.9 22753.9 23189.4 2000 23856.5 23829.8 23405.3 22994.7 22281.5 21958.0 21690.8 21570.8 22072.3 22667.2 23144.1 24035.2 2001 24068.1 23899.8 23568.5 22936.0 22567.3 22011.7 21554.5 21317.4 21535.6 21859.1 22400.4 23646.3 2002 24030.7 23844.3 23635.7 23142.8 22882.5 22436.0 21896.2 21715.8 22425.9 23243.6 23647.6 23957.7 2003 24048.8 23917.6 23571.2 22952.0 22322.7 21936.1 21526.9 21445.9 21675.6 21965.6 23221.0 23962.8 2004 24069.8 23927.4 23501.8 23113.9 22487.0 21924.8 21328.3 21598.6 21955.3 22406.7 23158.7 23978.6 2005 24034.8 23876.0 23554.1 22839.4 22686.9 - - - 21931.1 22468.2 23061.8 23994.6 2006 24020.0 23829.8 23536.3 23061.5 22335.0 21696.5 21421.0 21535.6 21571.2 21651.1 22489.2 23560.9 2007 23946.6 23856.0 23548.1 23076.8 22474.0 22114.7 21602.3 21539.4 21832.5 22180.7 23068.8 23578.6 2008 23929.5 23807.3 23533.9 - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -