El Niño 1971
1971 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 12 La Niña-level. The most extreme value was -1.4 °C in JFM.
Episodes in 1971
ONI month by month in 1971
| DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| -1.3 | -1.4 | -1.1 | -0.8 | -0.7 | -0.7 | -0.7 | -0.6 | -0.7 | -0.8 | -0.9 | -0.8 |
← 19701972 →Full ONI tableStatisticsWeekly update
Frequently asked questions
Was 1971 an El Niño year?
1971 was an La Niña year: 0 of 12 three-month seasons had El Niño-level ONI and 12 La Niña-level. The most extreme value was -1.4 °C in JFM.
Which ENSO episodes affected 1971?
La Niña 1970-1972 (-1.4 °C)
Source: NOAA CPC Oceanic Niño Index (public domain).