Name: NH PSC NAT volume Units: million km3 Month: December Source: GMAO MERRA2 Missing: -9999.0 Mean: 40.63 Year Data Minumum Maximum 1979 11.90 0.00 53.08 1980 57.53 0.00 102.44 1981 33.81 0.00 88.88 1982 53.71 19.13 94.49 1983 25.71 0.00 69.14 1984 16.01 0.00 61.80 1985 40.93 1.29 64.55 1986 33.65 0.00 90.16 1987 0.70 0.00 20.82 1988 25.78 0.00 73.28 1989 30.59 0.00 91.17 1990 23.24 0.00 73.69 1991 22.23 0.00 88.29 1992 19.02 0.33 55.95 1993 11.69 0.00 53.16 1994 75.96 1.19 143.11 1995 63.95 5.16 120.59 1996 4.29 0.00 14.13 1997 39.74 6.62 78.47 1998 5.05 0.00 42.59 1999 65.93 11.46 129.74 2000 4.66 0.00 30.46 2001 20.99 0.00 63.60 2002 80.24 22.38 121.79 2003 11.83 0.00 44.63 2004 53.07 1.83 102.50 2005 32.69 1.22 82.05 2006 48.93 3.69 104.51 2007 54.53 2.92 109.93 2008 44.88 7.60 102.93 2009 26.87 0.00 88.68 2010 40.78 0.00 111.57 2011 73.68 22.38 122.71 2012 83.58 0.16 125.38 2013 42.21 0.00 111.35 2014 19.35 0.00 49.32 2015 87.22 7.71 140.24 2016 31.01 0.00 109.25 2017 65.46 29.43 94.38 2018 24.16 0.00 67.94 2019 79.30 45.44 118.64 2020 62.94 0.00 136.14 2021 66.25 14.57 121.32 2022 51.97 0.00 123.81 2023 60.40 30.68 104.83