Mcmurdo 12Z 500hPa height 1956 - - - - - - - 4787.4 4861.7 4765.3 - - 1957 - - - 4895.2 4935.3 4915.8 4801.2 4846.8 4832.8 4892.4 4996.4 5135.4 1958 - - 4975.1 4986.4 4885.7 4892.4 4817.6 4830.3 4702.1 4830.6 4926.4 4973.1 1959 5093.0 5020.4 4932.8 - 4877.1 4888.7 4861.0 4878.9 4744.3 4790.2 4892.7 5081.0 1960 5109.6 5008.3 - - - - - - - - - - 1961 5065.7 5108.4 4966.2 4938.0 4922.2 4928.1 4814.2 4769.2 4891.4 4882.0 4973.5 - 1962 5011.1 5059.8 4939.3 4844.3 4817.4 4885.1 4724.8 4845.5 4889.3 4848.3 5005.7 5012.1 1963 5059.0 4991.8 - - - - - - - 4814.6 4926.8 5066.2 1964 5118.9 5009.0 - - - - - - - 4824.5 5019.8 5092.6 1965 5100.7 5159.0 - - - - - - - 4871.0 4940.1 5133.1 1966 5053.1 5066.0 - - - - - - - 4781.0 4976.9 5085.3 1967 5181.9 5133.7 - - - - - - - 4832.7 5028.1 5115.4 1968 5082.3 5067.9 - - - - - - - 4899.6 4984.3 5056.6 1969 5179.4 5026.5 - - - - - - - 4839.5 4924.4 5069.7 1970 5111.4 5015.2 - - - - - - - 4919.8 4935.5 5120.3 1971 5136.3 5036.0 - - - - - - - 4924.5 4989.6 5085.0 1972 5203.0 5077.2 - - - - - - - 4786.7 4905.7 5115.4 1973 5143.6 5021.8 - - - - - - - 4868.7 4992.6 5020.3 1974 5163.9 4961.8 - - - - - - - 4885.8 5037.4 5145.7 1975 5128.1 5020.1 - - - - - - - 4830.0 4996.8 5106.1 1976 5179.7 5047.1 - - - - - - - 4743.7 4984.0 5230.4 1977 5200.7 5034.4 - - - - - - - 4820.7 4907.1 5101.4 1978 5070.6 5081.8 - - - - - - - 4832.7 4971.0 5050.6 1979 5067.7 5001.5 - - 4777.0 4760.5 - 4717.3 - - 4996.1 5123.7 1980 5162.9 5062.2 - - - - - - - 4790.4 5043.4 5074.3 1981 5080.4 5073.5 - - - - - - - - - - 1982 - - - - - - - - - 4853.3 5012.6 5148.8 1983 - - - - - - - - - - 4877.9 5086.9 1984 5192.3 5099.2 - - - - - - - 4825.4 4983.9 5148.7 1985 5188.6 5048.3 - - - - - - - 4821.0 4852.0 4971.1 1986 - 5119.3 - - - - - - - 4827.2 4920.3 5063.9 1987 5175.0 5057.6 - - - - - - - 4884.7 4936.8 5072.8 1988 5102.5 5007.9 - - - - - - - 5008.1 4978.6 5072.6 1989 5083.1 5040.6 - - - - - - - 4878.0 4933.6 5128.6 1990 5116.2 4977.6 - - - - - - - 4911.1 - 5162.4 1991 5132.1 5104.0 - - - - - - - 4900.0 5033.3 5209.2 1992 - 5098.5 - - - - - - - 4876.4 4974.7 5052.1 1993 5203.5 4988.3 - - - - - - - 4835.9 4962.4 5039.4 1994 5090.0 4982.0 4842.9 4955.4 - - - - - - 5001.8 5014.2 1995 5027.8 5022.7 - - - - - - - 4900.0 4927.4 5009.5 1996 5070.4 5072.9 - - - - - - 4915.6 4778.4 5036.3 5089.6 1997 5096.2 5022.7 - - - - - - - 4911.2 5130.0 5091.9 1998 5064.2 5045.2 - - - - - 4931.8 - 4953.1 4947.6 5026.2 1999 5073.0 5056.8 - - - - - - - 4798.3 4916.7 4999.0 2000 5008.2 5011.0 - - - - - - - 4858.9 5010.4 5143.7 2001 5117.2 5072.7 - - - - - 4850.1 - 4838.6 4943.3 5048.7 2002 5110.5 4982.1 - - - - - 4794.9 - 4983.1 4986.0 5018.6 2003 5168.7 5075.5 - - - - - - 4831.2 4844.0 5004.1 5176.9 2004 5112.1 5156.7 - - - - - 4825.9 - 4889.3 4969.2 5148.5 2005 5129.5 5001.8 - - - - - - - 4866.4 4975.9 5226.0 2006 5119.0 5048.0 - - - - - - - 4878.2 5007.3 5047.5 2007 5166.6 5054.7 - - - - - - - 4913.1 4982.1 5008.1 2008 5075.8 4937.4 - - - - - - 4818.5 4857.6 4953.6 5056.8 2009 5055.0 5073.4 - - - - - - - 4838.8 5025.1 5045.0 2010 5192.5 5109.2 - - - - - 4760.3 4920.4 4865.6 4921.0 5124.9 2011 5107.7 5026.5 - - - - - 4828.6 - 4867.9 5052.1 5016.2 2012 5015.3 5043.6 - - - - - 4887.3 - 4869.3 5021.2 5127.9 2013 5124.5 4967.8 - - - - - - - 4904.1 4936.7 5070.0 2014 5182.0 - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - 4918.6 4921.5 5024.6 2018 5077.2 4990.5 - - - - - - - 4867.1 4935.8 5037.1 2019 5070.7 5055.3 - - - - - 4827.3 4733.3 4880.0 5076.8 5139.6 2020 5115.2 5064.2 - - - - - - - 4821.5 4927.8 5013.1 2021 - 4960.0 4943.8 - - - - 4894.0 - 4898.2 4909.6 4973.0 2022 5032.5 5053.3 - - - - 4818.6 4793.8 - 4909.6 4900.7 4994.2 2023 5002.5 4994.3 - - - - - 4777.8 4841.0 4820.7 4946.8 5003.8 2024 5037.1 4990.0 4950.9 4802.5 - - - - - - - -