Strong El NIno

Moderate El Nino

Weak El Nino

NORMAL years

Strong La Nina

Moderate La Nina

Weak La Nina

1957

1951

1953

1952

1985

1955

1970

1950

1965

1968

1958

1959

1989

1973

1998

1954

1972

1986

1963

1960

1990

1975

2007

1956

1982

1987

1969

1961

1992

1988

2011

1964

1991

1994

1976

1962

1993

1999

1971

1997

2002

1977

1966

1996

2010

1974

2009

2004

1967

2001

1983

2006

1978

2003

1984

2014

1979

2008

1995

1980

2012

2000

1981

2013

2005