Seasonal Statistics for North Shore: SEPTEMBER to JANUARY 1968 - 2024 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 38 25 61 40 31 20 7 5 4 3 1969 41 27 44 29 34 22 12 8 9 6 1970 57 37 45 29 24 16 5 3 4 3 1971 50 33 40 26 28 18 9 6 1 1 1972 40 26 38 25 36 24 13 8 6 4 1973 46 30 42 27 35 23 13 8 1 1 1974 48 31 48 31 34 22 14 9 2 1 1975 52 34 34 22 31 20 15 10 2 1 1976 42 27 41 27 42 27 15 10 5 3 1977 40 26 45 29 33 22 15 10 7 5 1978 49 32 47 31 35 23 11 7 0 0 1979 48 31 49 32 40 26 11 7 3 2 1980 34 22 39 25 52 34 12 8 2 1 1981 46 30 49 32 31 20 9 6 0 0 1982 46 30 48 31 31 20 15 10 6 4 1983 54 35 53 35 23 15 11 7 1 1 1984 46 30 48 31 29 19 9 6 6 4 1985 39 25 46 30 24 16 11 7 6 4 1986 37 24 37 24 29 19 11 7 12 8 1987 33 22 47 31 40 26 7 5 4 3 1988 58 38 35 23 18 12 8 5 2 1 1989 32 21 46 30 37 24 12 8 2 1 1990 39 25 46 30 29 19 7 5 0 0 1991 26 17 41 27 43 28 17 11 2 1 1992 44 29 43 28 41 27 3 2 0 0 1993 50 33 40 26 30 20 12 8 1 1 1994 58 38 26 17 27 18 14 9 0 0 1995 41 27 42 27 33 22 9 6 6 4 1996 39 25 43 28 23 15 14 9 4 3 1997 32 21 40 26 39 25 10 7 7 5 1998 50 33 40 26 23 15 14 9 4 3 1999 43 28 49 32 22 14 6 4 1 1 2000 38 25 36 24 42 27 14 9 4 3 2001 41 27 48 31 29 19 13 8 4 3 2002 26 17 39 25 31 20 22 14 11 7 2003 41 27 38 25 36 24 10 7 1 1 2004 45 29 35 23 30 20 8 5 6 4 2005 37 24 32 21 36 24 13 8 2 1 2006 41 27 47 31 26 17 7 5 2 1 2007 59 39 42 27 17 11 6 4 2 1 2008 54 35 38 25 16 10 9 6 2 1 2009 42 27 41 27 34 22 18 12 5 3 2010 40 26 39 25 33 22 5 3 2 1 2011 56 37 35 23 21 14 6 4 2 1 2012 53 35 33 22 24 16 11 7 1 1 2013 53 35 29 19 30 20 10 7 6 4 2014 38 25 34 22 53 35 11 7 1 1 2015 56 37 28 18 25 16 13 8 6 4 2016 57 37 34 22 26 17 8 5 4 3 2017 52 34 38 25 32 21 9 6 3 2 2018 49 32 37 24 28 18 10 7 2 1 2019 44 29 34 22 28 18 4 3 3 2 2020 44 29 36 24 26 17 10 7 2 1 2021 34 22 38 25 27 18 5 3 2 1 2022 31 20 34 22 33 22 10 7 4 3 2023 27 18 45 29 34 22 12 8 1 1 2024 49 32 47 31 20 13 14 9 4 3 MEAN 44 29 41 27 31 20 11 7 3 2 SD 8 6 8 4 3