El Niño 1978
1978 was a mostly neutral year: 2 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +0.7 °C in DJF.
Episodes in 1978
ONI month by month in 1978
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +0.7 | +0.5 | +0.2 | -0.1 | -0.3 | -0.2 | -0.4 | -0.4 | -0.4 | -0.3 | -0.1 | +0.1 |
← 19771979 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 1978 an El Niño year?
1978 was a mostly neutral year: 2 of 12 three-month seasons had El Niño-level ONI and 0 La Niña-level. The most extreme value was +0.7 °C in DJF.
Which ENSO episodes affected 1978?
El Niño 1977-1978 (+0.8 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).