Statistics for South Shore Surf Heights (H1/10, Hawaii Scale): MARCH to MAY 1978 - 2021 Background Small Medium Large X-Large (<=2 Hs) (3 Hs) (4 Hs) ( 5-6 Hs) ( 7+ Hs) year # days % # days % # days % # days % # days % ----- ------ --- ------ --- ------ --- ------ --- ------ --- 1978 12 13 62 67 12 13 5 5 1 1 1979 15 16 66 72 9 10 2 2 0 0 1980 22 24 56 61 11 12 2 2 1 1 1981 27 29 53 58 11 12 1 1 0 0 1982 20 22 58 63 13 14 1 1 0 0 1983 22 24 56 61 12 13 2 2 0 0 1984 41 45 45 49 6 7 0 0 0 0 1985 38 41 45 49 9 10 0 0 0 0 1986 42 46 45 49 5 5 0 0 0 0 1987 36 39 42 46 11 12 3 3 0 0 1988 71 77 5 5 6 7 10 11 0 0 1989 63 68 16 17 7 8 6 7 0 0 1990 69 75 18 20 3 3 2 2 0 0 1991 59 64 19 21 8 9 6 7 0 0 1992 44 48 34 37 8 9 5 5 1 1 1993 68 74 22 24 1 1 1 1 0 0 1994 77 84 13 14 1 1 1 1 0 0 1995 74 80 12 13 6 7 0 0 0 0 1996 60 65 21 23 9 10 2 2 0 0 1997 74 80 13 14 4 4 1 1 0 0 1998 70 76 12 13 9 10 1 1 0 0 1999 62 67 22 24 6 7 2 2 0 0 2000 55 60 24 26 11 12 2 2 0 0 2001 62 67 23 25 4 4 3 3 0 0 2002 50 54 27 29 7 8 5 5 3 3 2003 43 47 29 32 12 13 7 8 1 1 2004 57 62 24 26 7 8 3 3 1 1 2005 53 58 21 23 15 16 3 3 0 0 2006 63 68 19 21 9 10 1 1 0 0 2007 63 68 25 27 4 4 0 0 0 0 2008 65 71 15 16 6 7 5 5 1 1 2009 63 68 26 28 3 3 0 0 0 0 2010 60 65 24 26 4 4 2 2 2 2 2011 42 46 31 34 16 17 3 3 0 0 2012 68 74 15 16 9 10 0 0 0 0 2013 63 68 19 21 2 2 4 4 4 4 2014 63 68 23 25 4 4 2 2 0 0 2015 48 52 30 33 6 7 8 9 0 0 2016 61 66 25 27 2 2 4 4 0 0 2017 49 53 29 32 9 10 5 5 0 0 2018 69 75 20 22 3 3 0 0 0 0 2019 58 63 24 26 6 7 2 2 2 2 2020 51 55 31 34 5 5 4 4 1 1 2021 59 64 29 32 4 4 0 0 0 0 MEAN 53 58 29 31 7 8 3 3 0 0 SD 17 15 4 2 1