El Niño 1955
1955 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 11 La Niña-level. The most extreme value was -1.6 °C in OND.
Episodes in 1955
ONI month by month in 1955
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| -0.5 | -0.5 | -0.6 | -0.8 | -0.8 | -0.9 | -0.7 | -0.9 | -1.1 | -1.4 | -1.6 | -1.5 |
← 19541956 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 1955 an El Niño year?
1955 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 11 La Niña-level. The most extreme value was -1.6 °C in OND.
Which ENSO episodes affected 1955?
La Niña 1955-1956 (-1.6 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).