El Niño 2010
2010 was an La Niña year: 3 of 12 three-month seasons had El Niño-level ONI and 7 La Niña-level. The most extreme value was -1.6 °C in OND.
Episodes in 2010
ONI month by month in 2010
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +1.5 | +1.2 | +0.9 | +0.4 | -0.2 | -0.7 | -1.0 | -1.2 | -1.4 | -1.5 | -1.6 | -1.5 |
← 20092011 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 2010 an El Niño year?
2010 was an La Niña year: 3 of 12 three-month seasons had El Niño-level ONI and 7 La Niña-level. The most extreme value was -1.6 °C in OND.
Which ENSO episodes affected 2010?
El Niño 2009-2010 (+1.5 °C), La Niña 2010-2011 (-1.6 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).