Gough 00Z 500hPa height 1969 - - - - - - - - - - - - 1970 5687.3 5713.8 - 5682.0 - - - - - 5573.8 5659.8 5647.7 1971 5688.4 - - 5545.2 5566.1 5610.4 - 5512.3 - 5589.4 5643.3 - 1972 - 5761.4 - - - - - - 5592.3 - - - 1973 - 5715.0 5721.5 5686.2 5649.5 - 5567.0 - - 5618.6 - - 1974 - 5725.7 5692.5 5619.5 5513.3 - 5480.0 5479.2 5580.7 - 5616.4 5646.9 1975 - 5736.4 5731.3 5678.2 5552.3 5510.0 5511.2 5582.0 5563.9 - 5642.5 5732.5 1976 5676.7 5782.2 - - 5660.0 5576.9 5590.7 5618.0 5567.7 5676.7 5652.9 5609.4 1977 5653.0 5695.7 5764.7 5597.1 5640.0 5578.9 5516.8 5539.6 5656.8 5577.4 5638.1 5610.0 1978 5726.2 5753.6 5684.3 5724.5 5578.9 5557.7 5615.2 5613.8 5629.3 5630.0 5635.7 5648.5 1979 5727.1 5701.2 5696.5 5634.3 5644.1 5533.8 5586.3 5628.0 5630.4 5619.1 5634.0 5620.3 1980 5750.6 5766.7 5675.2 5700.0 5566.1 5632.8 5582.3 5553.7 5577.8 5619.4 5733.8 5656.6 1981 5767.7 5745.8 5741.9 5633.9 5578.2 5588.5 5505.2 5604.2 5513.8 5576.0 5680.0 5737.4 1982 5700.4 5755.6 5776.0 5720.3 5521.1 5517.2 5609.2 5545.0 5551.4 5614.0 5625.7 5571.9 1983 5627.9 5759.6 5789.7 5635.2 5553.0 5557.2 5598.6 5538.4 5483.6 5672.9 5686.4 5608.3 1984 5621.8 5693.6 5699.0 5635.0 5554.5 5553.2 5545.9 5548.4 5494.1 5637.9 5632.4 5659.3 1985 5661.3 5686.8 5728.0 5675.6 5611.9 5503.8 5528.6 5506.8 5534.8 5572.4 5560.8 5687.2 1986 5690.7 5712.7 5728.7 5631.0 5536.2 5568.0 5509.3 5596.2 5562.7 5539.0 5667.0 5696.8 1987 5641.3 5690.4 5701.0 5618.7 5535.7 5569.3 5579.3 5527.5 5581.5 5567.9 5630.4 5659.6 1988 5685.5 5731.2 5598.1 5714.2 5541.6 5532.9 5543.8 5553.9 5484.3 5630.3 5683.7 5705.8 1989 5684.7 5705.9 5670.0 5694.7 5563.0 5609.3 5546.0 5525.3 5497.7 5596.0 5669.0 5692.6 1990 5665.3 5696.1 5711.0 5624.7 5588.1 5671.7 5525.7 5615.7 5623.0 5636.9 5632.8 5660.0 1991 5740.3 5712.1 5759.4 5606.0 5583.5 5555.3 5575.0 5615.8 5551.0 5587.9 5657.2 5574.5 1992 5696.5 5653.2 5691.0 5563.0 5624.3 5564.8 5497.7 5603.5 5634.0 5606.9 5610.9 5663.2 1993 5636.3 5660.4 5663.8 5661.0 5602.8 5553.0 5482.0 5543.8 5493.0 5557.1 5616.2 5723.9 1994 5733.9 5729.6 5692.3 5645.5 5580.6 5589.0 5609.7 5622.9 5554.0 5587.7 5599.3 5611.6 1995 5660.6 5679.3 5726.8 5684.5 5634.3 5593.7 5584.2 5453.9 5548.7 5599.0 5654.7 5679.4 1996 5724.3 5700.7 5696.1 5620.7 5552.6 5483.3 5557.7 5480.0 5510.7 5644.0 5644.7 5661.6 1997 5733.0 5776.4 5739.0 5700.3 5598.1 5527.6 5570.6 5569.0 5490.0 5564.4 5565.0 5631.6 1998 5730.3 5728.9 5704.0 5611.4 5497.4 5482.6 5639.7 5544.4 5601.7 5644.3 5643.9 5707.4 1999 5700.7 5763.0 5646.8 5652.6 5603.7 5502.1 5433.5 5523.3 5557.5 5595.7 5633.2 5700.0 2000 5703.3 5732.8 5696.6 5657.0 5610.0 5521.0 5568.3 5554.8 5470.9 5630.7 5607.5 5707.1 2001 5703.0 5722.8 5677.1 5677.2 5535.7 5520.3 5543.7 5610.0 5577.5 5643.9 5672.3 5694.1 2002 5706.4 - 5623.3 5578.6 5582.4 5613.6 5517.5 5567.4 5571.1 5522.3 5655.2 5630.0 2003 5676.8 5648.6 5693.3 5582.5 5557.8 5567.0 5555.5 5563.9 5572.1 5626.4 5648.8 5690.3 2004 5740.4 5699.6 5718.7 5620.7 5608.3 5552.9 5664.3 5576.8 5587.2 5645.3 5578.5 5624.0 2005 5722.3 5743.9 5700.0 5666.3 5604.8 5599.7 5523.2 5541.0 5586.3 5536.6 5626.0 5722.9 2006 - 5647.3 5760.7 5734.7 5638.7 5572.9 5495.4 5519.3 5598.3 5607.7 5641.3 5665.5 2007 5679.0 5730.0 5706.7 5625.9 5583.2 5501.3 5530.6 5530.0 5482.5 - - - 2008 5761.1 5728.1 5735.7 5657.1 5510.3 5539.6 5475.3 5595.2 5462.4 5568.7 5667.7 5696.9 2009 5728.3 5784.3 5710.0 5683.3 - - 5678.3 5466.3 5585.0 5656.4 5566.7 5668.6 2010 5714.1 5703.3 5733.8 5665.3 - - - 5535.9 5582.1 5623.6 5685.6 5723.8 2011 5734.4 5713.9 5690.3 5738.9 5628.6 5574.8 5652.5 5474.5 5548.1 5590.5 5701.7 5696.2 2012 5674.0 - - - - - - - - 5692.1 5606.6 5653.3 2013 - - 5716.5 5635.2 - - - - 5579.0 5683.1 5650.8 5692.5 2014 5697.1 5708.2 5777.6 5685.9 5516.5 5605.2 5615.2 - 5544.2 5623.2 5719.2 5740.8 2015 5677.7 5752.7 5700.4 5663.0 5559.7 5612.0 5692.0 - - 5536.8 5672.7 5654.8 2016 5728.5 5722.5 5745.2 5611.2 - 5527.1 5558.2 5497.9 5616.9 5568.6 5659.3 5597.3 2017 5756.5 5732.2 5663.6 5679.5 5597.4 5555.3 5563.3 5625.9 5597.5 5645.6 5646.5 5708.0 2018 5745.8 5735.4 5735.2 5627.5 5562.5 5493.6 5524.0 5651.7 5551.7 5578.4 5659.6 5648.2 2019 5738.5 5741.4 5729.2 5628.8 5570.0 5411.8 - - - - - - 2020 - - - - - - - - - 5565.0 5646.4 5738.7 2021 5709.5 5773.5 5677.6 5627.4 5590.0 5544.5 5556.1 5550.4 5568.2 5625.0 5596.0 5729.5 2022 5658.0 5705.3 5712.7 - - - - - - 5638.0 5684.0 - 2023 - - - - - - - - - 5658.3 5560.5 5701.5 2024 5752.2 5716.4 5711.2 5706.9 - - - - - - - -