Name: SH PSC NAT volume Units: million km3 Month: May Source: GMAO MERRA2 Missing: -9999.0 Mean: 39.39 Year Data Minumum Maximum 1979 20.94 0.00 78.38 1980 28.40 0.00 78.56 1981 11.59 0.00 62.71 1982 12.86 0.00 68.16 1983 53.72 0.00 125.39 1984 38.78 0.00 99.46 1985 54.89 0.00 150.46 1986 43.39 0.00 108.43 1987 50.84 0.00 130.70 1988 42.22 0.00 124.97 1989 21.36 0.00 76.32 1990 51.77 0.00 146.66 1991 31.08 0.00 103.49 1992 39.23 0.00 135.81 1993 42.12 0.00 128.05 1994 42.09 0.00 93.58 1995 45.80 0.00 118.96 1996 66.08 6.31 134.69 1997 32.66 0.00 89.42 1998 32.35 0.00 109.53 1999 25.31 0.00 100.91 2000 56.10 0.00 153.43 2001 38.96 0.00 106.90 2002 40.20 0.00 148.69 2003 46.15 0.00 129.31 2004 31.60 0.00 93.52 2005 38.27 0.00 123.81 2006 19.37 0.00 89.38 2007 49.47 0.00 135.82 2008 39.88 0.00 120.10 2009 42.91 0.00 116.85 2010 43.25 0.00 109.86 2011 39.32 0.00 127.27 2012 38.78 0.00 102.76 2013 48.04 0.00 133.56 2014 41.40 0.00 123.98 2015 38.52 0.00 95.53 2016 25.92 0.00 84.95 2017 47.61 0.00 128.97 2018 43.27 0.00 124.66 2019 47.87 0.00 139.86 2020 38.00 0.00 139.14 2021 26.57 0.00 110.28 2022 50.40 0.00 132.75 2023 53.35 0.00 137.76