El Niño 1984
1984 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 7 La Niña-level. The most extreme value was -1.1 °C in NDJ.
Episodes in 1984
ONI month by month in 1984
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| -0.6 | -0.5 | -0.4 | -0.5 | -0.6 | -0.5 | -0.4 | -0.2 | -0.3 | -0.6 | -0.9 | -1.1 |
← 19831985 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 1984 an El Niño year?
1984 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 7 La Niña-level. The most extreme value was -1.1 °C in NDJ.
Which ENSO episodes affected 1984?
La Niña 1983-1984 (-1.0 °C), La Niña 1984-1985 (-1.1 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).