| Southwest monsoon Rainfall (parentage departure in LPA) during El Niño years | El Nino strength WE – SST anom. | |||||
|---|---|---|---|---|---|---|
| WE-SSR anom 0.5 to 1 | ||||||
| ME – SST anom. 1.0 to 1.5 | ||||||
| SE -SST anom > 1.5 | ||||||
| YEAR | JUN | JUL | AUG | SEP | JJAS | |
| 1951 | -3.1 | -11 | -13.2 | -26.6 | -13.2 | Weak El Nino |
| 1953 | -1.8 | 14.5 | 17.6 | 6.2 | 10.7 | Weak El Nino |
| 1957 | -6.6 | 9 | 7.1 | -21.6 | -0.5 | Moderate El Nino |
| 1963 | 1 | -8.4 | 24.6 | -1.5 | 4.4 | Weak El Nino |
| 1965 | -30.1 | -4 | -24.6 | -22.5 | -18.6 | Moderate El Nino |
| 1968 | -10.5 | 10 | -16 | -23.3 | -8 | Weak El Nino |
| 1972 | -26.2 | -27.2 | -13.8 | -23.2 | -22.3 | Moderate El Nino |
| 1976 | -4.8 | 4 | 15.1 | -14.9 | 1.9 | Weak El Nino |
| 1982 | -17.4 | -17.8 | 8.3 | -24.9 | -11.4 | Moderate El Nino |
| 1987 | -21.1 | -21.5 | -4.6 | -10.3 | -14.3 | Moderate El Nino |
| 1991 | 11.1 | -1.2 | 2 | -19.1 | -1.4 | Weak El Nino |
| 1994 | 22.9 | 25.1 | 12.2 | -11.3 | 13.9 | Weak El Nino |
| 1997 | 3.8 | 1.5 | 3.2 | -10.2 | 0.2 | Strong El Nino |
| 2002 | 2.3 | -50.6 | -4.4 | -19 | -20.9 | Weak El Nino |
| 2004 | 0.6 | -13.4 | -0.8 | -26.6 | -9.6 | Weak El Nino |
| 2015 | 14 | -14.4 | -21.6 | -22.6 | -12.7 | Moderate El Nino |
| 2023 | -7.5 | 12.8 | -36.1 | 13.1 | -5.3 | Weak El Nino |