El Niño 1990
1990 was a mostly neutral year: 0 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +0.3 °C in NDJ.
ONI month by month in 1990
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +0.2 | +0.2 | +0.3 | +0.3 | +0.3 | +0.3 | +0.3 | +0.3 | +0.3 | +0.3 | +0.3 | +0.3 |
← 19891991 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 1990 an El Niño year?
1990 was a mostly neutral year: 0 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +0.3 °C in NDJ.
Source: NOAA CPC Oceanic Niño Index (public domain).