Syowa 12Z 500hPa height 1959 - - - 5042.9 - - 4932.0 - - 4976.3 - - 1960 - - 4991.9 4982.4 5025.7 4887.4 4856.4 4885.9 4823.9 4941.5 4989.2 5081.8 1961 5123.2 5163.2 5004.2 4988.9 5005.6 4983.6 4865.5 4882.1 4998.4 4983.1 5031.9 5063.7 1962 - - - - - - - - - - - - 1963 - - - - - - - - - - - - 1964 - - - - - - - - - - - - 1965 - - - - - - - - - - - - 1966 - 5160.3 5095.0 5004.8 5035.8 4900.5 4947.4 4789.9 4917.3 4883.6 5057.1 5138.9 1967 5211.3 5137.0 5050.0 4968.6 4993.4 4969.2 4932.7 4900.0 4928.5 4998.7 5074.3 5119.5 1968 5130.3 5151.3 - - - - - - - - - - 1969 - - - - - - - - - - - - 1970 - - - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 - - 5027.5 5001.9 5004.7 4974.9 4918.5 4986.2 4873.1 4928.2 5094.0 5188.2 1975 5203.6 5126.5 5084.5 4934.3 5088.4 4963.8 4970.3 4865.7 4857.2 4893.4 5023.0 5155.2 1976 5207.0 5085.1 5027.1 4933.8 4872.2 4994.2 4860.3 4866.1 4828.9 4885.3 5112.7 5291.4 1977 5212.0 5119.3 5045.6 5021.5 5040.0 5012.2 5006.2 4972.4 4839.8 4900.8 5000.0 5111.5 1978 5079.5 5102.9 5048.2 4974.9 4967.7 4928.6 4964.8 4773.8 4897.2 4982.7 5046.2 5118.4 1979 5141.9 5099.7 5023.4 5033.6 4942.4 4877.7 4789.5 4828.3 4855.8 4960.5 5066.9 5205.1 1980 5153.7 5101.0 5094.9 5043.2 5007.7 4903.5 4988.4 4931.0 4946.4 4884.1 5098.5 5108.9 1981 5142.7 5118.2 5059.8 5008.0 4969.8 4926.1 5060.0 4999.4 4910.8 4871.3 4994.8 5065.8 1982 5164.2 5087.0 4961.8 4951.2 4965.6 4890.9 4888.6 4889.2 4831.3 4944.0 5109.0 5228.5 1983 5151.7 5117.4 5027.6 5006.9 5015.6 4949.0 4864.4 4841.8 4896.7 4903.2 4971.7 5069.5 1984 5175.8 5105.6 5025.7 4984.4 5056.1 4944.2 4913.6 4924.6 4871.4 4889.7 5041.2 5224.1 1985 5185.8 5102.2 5054.3 5030.0 4940.5 4989.5 4849.7 4832.7 4874.4 4882.2 4969.7 5049.3 1986 5151.9 5188.3 5080.1 4955.8 5022.7 4979.8 4859.7 4938.7 4826.8 4895.2 5011.0 5057.6 1987 5194.5 5114.5 5052.1 5008.1 5020.0 4972.1 4958.5 4818.9 4882.7 4894.2 4999.6 5117.6 1988 5193.4 5079.4 5117.3 4988.5 5016.0 5089.8 4847.9 4870.7 4966.6 5046.5 4980.5 5103.0 1989 5168.4 5078.2 5046.3 5004.7 4846.4 4907.4 4841.6 4892.1 4897.4 4913.3 5043.3 5127.9 1990 5146.0 5055.8 5040.1 5060.1 5081.4 4974.3 5040.7 4831.0 4766.8 4979.6 5043.2 5095.9 1991 5069.8 5167.0 5014.9 4975.5 4962.2 5012.6 4953.0 4893.2 4908.8 4886.2 5019.3 5232.6 1992 5182.7 5122.1 5076.5 5000.8 5060.8 5049.0 4911.0 4822.9 4826.6 4932.7 4948.3 5099.1 1993 5216.1 5072.6 5007.0 4984.4 4948.3 4949.4 4865.5 4840.6 4893.2 4934.7 4996.9 5067.6 1994 5099.4 5057.6 4990.8 5014.1 4966.4 5055.3 4929.5 4879.5 4894.6 4930.4 5045.4 5054.5 1995 5095.4 5109.0 5037.2 4998.0 4909.7 4939.0 5011.5 4924.8 4774.3 4958.2 5027.0 5094.8 1996 5135.9 5140.7 4992.8 4983.1 4931.0 4969.3 5015.6 4974.2 5073.0 4929.0 5072.9 5125.3 1997 5137.6 5087.4 4980.5 5008.0 4938.6 5024.6 4891.0 4878.4 4889.5 4915.1 5146.2 5132.7 1998 5097.7 5049.3 5010.9 4878.9 4976.9 4934.7 4899.5 4882.9 4882.7 4908.4 4957.0 5056.3 1999 5121.5 5113.5 5006.3 4906.7 4922.6 5035.1 4854.9 4937.3 4942.4 4844.6 4993.7 5018.8 2000 5049.8 5046.2 4976.2 4993.7 4891.8 4992.8 4917.9 4938.5 4970.6 4902.0 5064.6 5143.2 2001 5122.7 5120.2 5037.1 4959.0 5011.0 5034.0 4981.2 4856.1 4836.7 4941.1 4967.0 5044.2 2002 5118.7 5019.1 5093.5 5058.3 5102.6 4985.7 4971.5 4876.0 4915.1 5055.9 5001.2 5066.9 2003 5155.2 5122.9 5036.1 4961.9 4984.2 4980.9 4896.8 4858.6 4865.4 4946.3 5050.0 5190.8 2004 5108.3 5151.9 4985.8 4971.5 4942.5 4901.3 4789.4 4827.6 4823.4 4942.6 4999.1 5137.1 2005 5131.6 5048.6 5053.7 4960.3 4949.4 5026.4 4940.5 4909.8 4850.5 4889.9 4975.8 5223.7 2006 5121.9 5073.4 4993.2 4987.5 4924.2 4958.3 4818.1 5070.0 4905.3 4866.9 5023.2 5071.7 2007 5133.5 5054.2 5040.4 5019.7 5009.3 5047.1 5043.4 4911.4 4924.3 4956.6 5109.1 5022.0 2008 5075.2 5018.9 5057.4 5066.4 5023.0 4911.9 4935.9 4841.0 4882.2 4872.3 4978.5 5054.1 2009 5105.7 5054.4 5049.0 4979.7 5087.8 5072.1 4967.9 4896.1 4920.4 4953.0 5072.7 5107.7 2010 5196.1 5167.5 5057.7 4980.0 4933.9 4830.3 4836.9 4796.9 4888.3 4875.9 4964.5 5137.0 2011 5156.5 5115.0 5055.2 5053.1 4949.7 5056.0 4961.3 4982.6 4931.7 4949.7 5075.3 5070.3 2012 5047.7 5136.8 5007.1 4959.3 4998.0 4909.3 4869.0 4900.7 4883.2 4947.5 5132.2 5161.0 2013 5145.5 5081.1 4983.5 4937.5 4953.5 5026.6 4880.0 4976.3 4969.3 4927.7 5088.3 5108.7 2014 5157.2 5077.4 5021.4 4923.8 5010.7 4956.8 4879.3 4933.2 4926.7 4936.7 5032.1 5044.6 2015 5119.3 5048.0 5001.3 4913.0 4966.8 4934.6 4829.5 4801.9 4867.5 5009.6 5055.0 5090.0 2016 5090.0 5071.7 5024.2 5005.3 4984.6 4876.7 4865.0 4971.2 4855.0 4973.0 5088.6 5139.0 2017 5194.4 5107.7 5040.8 4968.1 4949.4 4931.6 4900.6 4823.3 4815.0 4966.7 5041.1 5095.7 2018 5127.3 5075.6 5059.4 5057.9 5043.6 5020.5 4894.7 4920.7 4851.4 4955.2 4968.7 5096.7 2019 5130.0 5157.3 5034.4 4994.3 4976.0 4872.3 4926.0 4866.7 4818.8 5022.4 5122.9 5203.8 2020 5149.2 5082.9 4994.6 5028.8 4965.3 4959.2 4926.7 - 4920.0 4899.3 - - 2021 - - 5141.8 4949.0 4943.3 4932.7 4927.3 4900.0 4936.7 4941.9 4997.9 5072.3 2022 5179.5 5084.0 5049.4 4989.3 4976.8 5021.7 4870.9 4860.0 4847.3 4895.8 4946.7 5021.8 2023 5092.0 5047.8 5044.7 5027.3 4953.0 4960.0 4898.3 4917.7 - 5014.2 5029.2 5102.3 2024 5092.9 5062.4 5000.6 4957.5 - - - - - - - -