Davis 00Z 500hPa height 1959 - - - 4944.0 4986.7 5027.9 4914.1 4952.1 4860.0 4945.3 4956.6 5149.0 1960 5124.2 5078.9 4914.6 4982.1 4963.9 4888.6 4877.0 4920.7 4826.9 4939.0 5002.0 - 1961 - 5155.7 5033.1 5032.4 4982.6 5027.5 4897.8 4900.4 5024.8 4976.5 5074.6 5028.4 1962 5046.7 5076.9 4978.1 4970.7 4942.9 5083.4 4858.6 4803.8 4881.0 4887.1 5040.0 5078.1 1963 5097.1 5038.4 4980.3 4955.0 4980.7 4957.9 4901.6 5086.3 4963.0 4876.1 4938.7 5152.3 1964 5200.3 5100.4 5025.4 4962.7 4900.0 5079.3 5130.0 4947.7 4818.7 4888.0 - - 1965 - - - - - - - - - - - - 1966 - - - - - - - - - - - - 1967 - - - - - - - - - - - - 1968 - - - - - - - - - - - - 1969 - - - 4993.0 4998.1 - 4849.3 4782.0 4873.1 4956.1 5039.0 5139.7 1970 5112.3 5042.9 5091.9 5032.0 5003.2 4946.1 4937.1 4863.4 4916.6 4938.1 5007.7 5158.1 1971 5213.2 5136.8 5006.1 5018.3 5019.0 4895.7 4913.9 4920.7 4959.7 4951.3 5002.7 5191.9 1972 5198.0 5093.1 5058.4 5027.9 4948.3 4965.4 4970.3 5051.0 4965.5 4941.0 4980.3 5120.6 1973 5164.5 5077.1 4942.0 4982.4 5053.9 4988.0 4866.1 4840.3 4952.3 4969.0 5045.3 5057.4 1974 5132.6 5065.4 4973.3 5029.0 4938.7 4985.9 4941.0 5009.0 4842.4 4969.0 5087.9 5209.0 1975 5182.3 5113.9 5033.2 4948.7 5054.2 5005.0 4966.7 4872.6 4884.6 4907.7 5021.3 5128.1 1976 5177.1 5091.4 5010.6 4921.4 4889.4 4913.0 4880.6 4850.6 4814.7 4896.5 5072.7 5244.8 1977 5200.6 5113.6 4983.7 4966.0 4996.5 5014.7 4987.7 5013.2 4789.0 4873.0 5000.0 5092.3 1978 5071.7 5087.5 5051.9 4998.3 5000.7 4942.1 5011.9 4795.2 4901.0 4897.7 5053.0 5076.1 1979 5157.1 5066.5 4942.9 5016.3 4917.1 4892.4 4841.4 4856.4 4885.0 4887.2 5085.4 5147.1 1980 5178.0 5104.5 5043.2 5071.7 4896.1 4895.7 4982.3 4974.3 4965.7 4896.0 5066.0 5126.8 1981 5129.0 5089.6 5072.7 5023.8 4943.1 4909.0 4974.2 4991.6 4899.0 4865.2 5002.0 5097.7 1982 5129.0 5065.7 4935.2 4861.7 4895.5 4879.7 4925.8 4824.3 4816.7 4914.2 5094.7 5228.1 1983 5156.5 5104.3 5022.3 4947.7 4996.1 4952.1 4876.3 4907.7 4918.7 4899.7 4942.3 5065.5 1984 5170.3 5070.3 5010.3 4975.0 5017.7 4939.3 4861.3 4932.9 4884.0 4814.8 5028.0 5202.3 1985 5218.7 5079.3 5007.7 5010.3 4964.5 5032.3 4770.0 4863.4 4877.9 4886.9 4923.1 5069.0 1986 5146.1 5193.9 5086.1 4961.7 5035.2 4939.7 4863.2 4878.4 4843.7 4865.7 5004.7 5077.7 1987 5201.9 5108.2 5004.7 5004.3 4922.9 4967.9 4955.5 4785.2 4866.3 4902.6 5012.7 5102.6 1988 5166.8 5020.0 5028.3 4938.9 - 5045.0 4895.8 4887.1 4970.6 5018.8 4982.1 5064.5 1989 5135.8 5071.5 4986.9 4971.0 4820.3 4917.2 4887.1 4957.4 4942.9 4941.5 5023.8 5133.2 1990 5171.3 5073.9 5022.9 5091.7 5043.7 4954.1 5086.1 4865.7 4806.3 4958.4 5054.5 5112.0 1991 5068.7 5099.3 5022.0 5001.4 4965.4 5031.5 5053.0 4898.7 4932.8 4881.3 5023.2 5201.3 1992 5156.2 5152.5 5042.3 4965.8 5073.3 5005.0 4909.0 4865.3 4796.2 4952.3 4984.5 5115.0 1993 5222.9 5026.5 5008.0 4959.1 4813.3 4892.4 4837.1 4816.2 4842.4 4880.5 4968.3 5078.9 1994 5110.4 5021.8 4965.7 4950.0 4973.1 - 4974.8 4843.7 4913.6 4915.6 5072.5 5025.3 1995 5087.8 5095.0 5007.0 5011.6 4919.7 4949.8 5080.4 4893.0 4786.6 4909.1 5036.9 5065.3 1996 5141.2 5131.7 4993.5 4976.3 4894.1 4988.9 4937.4 4947.2 4996.2 4920.1 5070.5 5120.3 1997 5119.0 5072.6 4977.3 4996.1 4910.7 4980.4 4838.1 4869.5 4816.9 4935.0 5042.7 5162.1 1998 5098.5 5078.9 4990.4 4824.3 4916.6 4914.7 4908.4 4868.9 4931.8 4925.7 4972.5 5020.2 1999 5107.5 5083.0 5042.9 4918.9 4913.8 5041.6 4882.1 4865.3 4890.0 4833.5 4983.0 4995.1 2000 5055.3 5040.3 5003.4 5028.1 4900.4 5016.9 4912.4 4895.6 4967.6 4821.6 5064.3 5168.8 2001 5117.3 5149.2 5025.4 4904.1 4960.3 4919.5 4940.4 4847.7 4841.8 4894.8 4980.3 5068.3 2002 5084.9 5010.2 5073.3 4980.0 5088.9 4950.6 4966.0 4851.2 4946.3 5015.0 5018.8 5042.5 2003 5194.8 5122.3 5032.2 4926.4 4958.7 5016.0 4947.2 4850.3 4919.6 4904.4 5031.6 5160.2 2004 5135.0 5178.2 4978.6 4938.6 4984.1 4875.7 - 4833.6 4825.7 4961.6 5031.4 5153.3 2005 5129.7 5086.9 5061.0 4916.2 4972.8 5014.3 4927.2 4867.4 4880.3 4920.1 5000.3 5230.8 2006 5109.7 5074.3 5007.6 4994.3 4901.8 4910.3 4803.3 5001.9 4920.3 4916.3 5002.0 5067.6 2007 5149.2 5054.1 5007.0 5049.1 5014.5 5046.0 5046.5 4948.5 4902.7 4953.6 5052.8 5056.7 2008 5072.7 5036.7 5017.1 5012.7 5008.3 4884.1 4975.8 4823.7 4873.3 4841.6 4983.0 5090.0 2009 5132.0 5136.1 5034.9 5001.9 5013.3 5054.6 4970.5 4928.9 4958.9 4927.8 5052.6 5088.0 2010 5196.0 5145.4 5037.6 4965.8 4931.7 4864.8 4788.0 4819.7 4915.8 4907.3 5013.7 5111.7 2011 5198.8 5047.8 5037.3 5017.2 4929.6 5006.3 5006.3 4865.1 4942.7 4893.4 5132.7 5009.8 2012 5058.1 5108.4 4991.0 4976.7 4951.9 4946.7 4846.8 4882.3 4853.6 4939.6 5108.7 5168.8 2013 5161.7 5054.6 4943.7 4982.0 4909.7 5029.6 4927.9 4974.0 5020.7 5002.5 5092.3 5103.7 2014 5146.7 5066.4 5011.8 4931.5 5038.7 4921.9 4901.7 4867.6 4954.1 4934.6 5041.0 5045.8 2015 5122.6 5029.3 5037.6 - - - - - - 4901.0 4988.8 5104.1 2016 5080.7 5074.2 4960.0 4966.6 4915.5 4860.0 4892.3 4970.3 4836.4 4951.8 5087.9 5125.7 2017 5177.3 5097.5 5010.6 4886.8 4936.0 4921.0 4956.2 4848.6 4842.8 4910.0 5051.7 5084.3 2018 5127.4 5097.6 5036.7 5054.4 4931.2 5020.0 4938.5 4993.1 4844.5 4870.7 4979.6 5100.3 2019 5109.7 5148.9 5035.2 5021.8 4988.1 4944.5 4942.9 4903.3 4869.0 5019.7 5132.7 5209.0 2020 5198.4 5090.3 4951.0 5004.7 4987.0 4991.8 4970.7 4997.6 4920.7 4954.1 5077.7 5051.3 2021 5079.4 5036.8 5029.4 4956.9 4927.0 4907.6 4952.4 4902.3 4851.0 4944.8 4997.0 5054.5 2022 5110.0 5045.9 5022.3 4958.6 4972.9 5047.5 4900.3 4953.2 4846.0 4955.0 4933.2 5024.3 2023 5035.2 5071.1 5080.7 5025.2 4938.1 5006.6 4919.0 4847.7 4960.3 4935.8 4986.3 5069.4 2024 5111.0 5037.6 4996.5 4938.3 - - - - - - - -