ENSO: historical SST index

TABLE - IRI Probabilistic ENSO Prediction for NINO3.4 Region
- Made in Dec 2010

Season	La Niña	Neutral	El Niño
DJF 2011	98%	2%	0.2%
JFM 2011	94%	6%	0.4%
FMA 2011	85%	13%	2%
MAM 2011	64%	30%	6%
AMJ 2011	43%	45%	12%
MJJ 2011	32%	50%	18%
JJA 2011	27%	50%	23%
JAS 2011	27%	50%	23%
ASO 2011	27%	50%	23%
SON 2011	27%	50%	23%