Weakening Relationship between East Asian Summer Monsoon and Asian-Pacific Oscillation after 1990s

Table 1

Strong and weak APO years in two periods.

	Strong years	Weak years
P1	1949, 1953, 1956, 1960, 1961, 1962, and 1963	1969, 1976, 1980, 1983, 1986, 1987, and 1988
P2	2000, 2006, 2012, 2013, and 2016	1992, 1993, 2003, 2014, and 2015