Seasonal Statistics for North Shore: SEPTEMBER to JUNE 1968 - 2021 Count of Days Per Season of Surf by Size Category Note: 1) Year denotes year of start of season, eg, 1968=1968-1969 2) Height in Hawaii scale, H1/10th, upper end of range 3) Goddard-Caldwell database (Caldwell, JCR, 2005) 4) No counts for <3 Hs (mismatch stat count with days/month) (3-4 Hs) (5-7 Hs) (8-12 Hs) ( 13-19 Hs) (20+ Hs) year # days % # days % # days % # days % # days % ----- ------ --- ------ --- ------ --- ------ --- ------ --- 1968 100 33 102 34 57 19 12 4 6 2 1969 82 27 77 25 54 18 20 7 10 3 1970 108 36 85 28 36 12 5 2 5 2 1971 104 34 72 24 54 18 14 5 2 1 1972 95 31 87 29 53 17 20 7 6 2 1973 110 36 76 25 53 17 16 5 4 1 1974 100 33 74 24 54 18 19 6 2 1 1975 106 35 69 23 54 18 17 6 2 1 1976 95 31 67 22 58 19 20 7 6 2 1977 95 31 77 25 52 17 25 8 9 3 1978 114 38 81 27 60 20 17 6 0 0 1979 89 29 87 29 73 24 17 6 5 2 1980 78 26 77 25 75 25 25 8 2 1 1981 107 35 92 30 45 15 14 5 0 0 1982 104 34 70 23 52 17 37 12 10 3 1983 95 31 82 27 55 18 19 6 3 1 1984 125 41 81 27 39 13 11 4 6 2 1985 84 28 71 23 34 11 21 7 13 4 1986 96 32 68 22 61 20 20 7 12 4 1987 72 24 79 26 63 21 14 5 4 1 1988 107 35 85 28 30 10 9 3 2 1 1989 70 23 83 27 62 20 13 4 2 1 1990 76 25 79 26 55 18 11 4 1 0 1991 76 25 78 26 68 22 23 8 2 1 1992 76 25 79 26 72 24 10 3 2 1 1993 99 33 77 25 48 16 14 5 1 0 1994 99 33 63 21 53 17 15 5 0 0 1995 78 26 70 23 64 21 17 6 7 2 1996 93 31 74 24 46 15 19 6 5 2 1997 76 25 68 22 60 20 18 6 10 3 1998 96 32 71 23 42 14 18 6 5 2 1999 77 25 79 26 47 15 16 5 1 0 2000 81 27 55 18 61 20 18 6 4 1 2001 80 26 80 26 43 14 16 5 4 1 2002 64 21 68 22 54 18 26 9 11 4 2003 86 28 73 24 56 18 19 6 2 1 2004 96 32 60 20 56 18 11 4 8 3 2005 94 31 60 20 47 16 15 5 3 1 2006 102 34 73 24 39 13 14 5 3 1 2007 91 30 77 25 33 11 10 3 2 1 2008 107 35 68 22 32 11 14 5 2 1 2009 81 27 70 23 57 19 24 8 6 2 2010 86 28 62 20 49 16 10 3 3 1 2011 102 34 59 19 38 13 12 4 3 1 2012 102 34 57 19 41 14 22 7 1 0 2013 90 30 65 21 52 17 14 5 7 2 2014 92 30 54 18 71 23 15 5 2 1 2015 95 31 51 17 48 16 24 8 12 4 2016 114 38 60 20 46 15 14 5 4 1 2017 100 33 64 21 53 17 11 4 3 1 2018 91 30 68 22 46 15 14 5 5 2 2019 102 34 61 20 45 15 6 2 4 1 2020 110 36 55 18 39 13 14 5 2 1 2021 65 21 72 24 45 15 9 3 2 1 MEAN 93 31 72 24 51 17 16 5 4 1 SD 13 10 11 6 3