Year Snow mass Mar Anomaly Mar Snow mass Apr Anomaly Apr Linear trend
1980 1.35948514853e+11 15.98 51748616761.7 -30.74 13.98
1981 1.56412535716e+11 33.44 76179221853.9 1.96 13.09
1982 1.35815114532e+11 15.86 78358616487.3 4.88 12.2
1983 1.01873460246e+11 -13.09 74042162009.1 -0.9 11.3
1984 1.46605977168e+11 25.07 95395874841.1 27.68 10.41
1985 1.41478023769e+11 20.7 1.05200578976e+11 40.8 9.51
1986 1.32297827938e+11 12.86 77004050502.7 3.06 8.62
1987 1.46850232191e+11 25.28 78319632019.6 4.83 7.72
1988 1.631979945e+11 39.22 1.06039536339e+11 41.93 6.83
1989 1.0591393664e+11 -9.64 74757696352.4 0.06 5.94
1990 78829061936.1 -32.75 56582616279.3 -24.27 5.04
1991 92195199467.6 -21.35 49130208131.2 -34.24 4.15
1992 78289801587.6 -33.21 74432447557.4 -0.38 3.25
1993 1.04304274743e+11 -11.02 85828137309.2 14.88 2.36
1994 1.38814069966e+11 18.42 80211653620.0 7.36 1.47
1995 1.18252805298e+11 0.88 1.02499617723e+11 37.19 0.57
1996 1.34217566651e+11 14.5 76980149924.6 3.03 -0.32
1997 99788847934.7 -14.87 1.06701445386e+11 42.81 -1.22
1998 1.17857748956e+11 0.54 97619012356.4 30.66 -2.11
1999 1.14221052616e+11 -2.56 64996608980.2 -13.01 -3.01
2000 1.36505427507e+11 16.45 98537862536.5 31.89 -3.9
2001 96306220112.0 -17.84 66453088215.3 -11.06 -4.79
2002 1.05383207154e+11 -10.1 49808006634.6 -33.34 -5.69
2003 99271796009.5 -15.31 49270436504.6 -34.06 -6.58
2004 97499938404.1 -16.82 55718155866.7 -25.43 -7.48
2005 1.02665141444e+11 -12.42 54859551967.6 -26.58 -8.37
2006 1.39258702401e+11 18.8 79499067587.8 6.4 -9.27
2007 83142179213.1 -29.07 50180815593.3 -32.84 -10.16
2008 93027524705.5 -20.64 81210046065.9 8.69 -11.05
2009 1.02978297534e+11 -12.15 65556994565.5 -12.26 -11.95
2010 1.36523224594e+11 16.47 65339426355.1 -12.55 -12.84
2011 1.30401623961e+11 11.25 63598176876.4 -14.88 -13.74
2012 1.0211214708e+11 -12.89 73524847620.1 -1.59 -14.63