Name: SH PSC NAT area Units: million km2 Level: 460 K Month: July Source: GMAO MERRA2 Missing: -9999.0 Mean: 23.99 Year Data Minumum Maximum 1979 24.15 20.00 27.00 1980 23.02 18.98 26.69 1981 21.96 17.05 26.17 1982 23.59 21.36 25.93 1983 21.30 19.64 23.81 1984 21.82 18.33 26.03 1985 21.42 17.73 24.45 1986 21.31 19.34 23.41 1987 26.06 22.49 29.28 1988 24.25 22.29 27.01 1989 23.55 18.84 26.92 1990 24.23 20.90 25.66 1991 23.69 20.08 26.28 1992 21.18 18.08 23.33 1993 23.66 22.19 25.59 1994 23.09 21.04 26.69 1995 24.86 22.82 26.61 1996 24.43 20.71 27.03 1997 25.70 23.54 27.92 1998 24.20 21.27 27.19 1999 25.39 22.00 29.13 2000 28.04 24.28 30.48 2001 25.78 22.24 28.46 2002 21.75 19.18 23.54 2003 25.41 23.55 27.53 2004 22.77 21.12 24.32 2005 23.93 20.06 27.27 2006 26.14 20.60 29.59 2007 23.19 20.36 25.89 2008 25.30 21.38 28.01 2009 24.59 21.94 26.43 2010 22.17 18.72 25.94 2011 24.24 22.54 25.28 2012 22.44 20.94 24.28 2013 24.11 21.96 26.38 2014 24.55 22.28 25.95 2015 23.59 20.18 26.68 2016 24.54 20.93 27.73 2017 24.58 20.63 27.19 2018 25.01 21.79 27.48 2019 23.66 21.43 26.43 2020 25.45 21.73 28.80 2021 26.03 23.13 28.41 2022 24.80 21.28 27.29 2023 24.54 23.30 25.82