親潮の春季の平均南端位置
 年   北緯（度）
1971 38.8
1972     
1973 39.4
1974 36.9
1975     
1976 39.5
1977 37.3
1978 37.1
1979     
1980 39.3
1981 37.0
1982 37.8
1983 36.8
1984 36.0
1985 38.3
1986 36.3
1987 38.9
1988 38.3
1989 37.7
1990 39.2
1991 38.8
1992 37.6
1993 36.9
1994 37.5
1995 39.0
1996 40.7
1997 37.9
1998 38.1
1999 40.2
2000 39.0
2001 38.5
2002 40.7
2003 38.2
2004 37.7
2005 37.7
2006 38.7
2007 40.0
2008 39.7
2009 40.2
2010 38.7
2011 39.3
2012 40.0
2013 39.0
2014 38.3
2015 39.0
2016 41.3
2017 39.8
2018 40.7
2019 39.0
2020 41.5
2021 40.2
2022 38.8
2023 41.2