Research Article
CP El Niño and PDO Variability Affect Summer Precipitation over East China
Table 1
List of CP El Niño years classified based on the different PDO phases during 1950–2017.
| Types | PDO negative (cool) phase (1947–1976, 1998–2017) | PDO positive (warm) phase (1977–1997) |
| CP El Niño | 1957/1958, 1963/1964, 1965/1966, 1968/1969, 1969/1970, 2002/2003, 2004/2005, 2009/2010 | 1977/1978, 1987/1988, 1991/1992, 1994/1995 |
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