Southern Oscillation Index (SOI) 🔗 🔗 🔗 🔗 🔗 🔗 🔗

Composite Patterns 🔗 🔗 🔗 🔗 🔗 🔗 🔗

monthly values 🔗 🔗 🔗 🔗 🔗 🔗 🔗

12-month moving average 🔗 🔗 🔗 🔗 🔗 🔗 🔗

\sim$\sim$ La Nina	\sim$\sim$ El Nino
1<SOI<5$1<SOI<5$	-5<SOI<-1$-5<SOI<-1$
pr	pr
tas	tas
SST	SST

\sim$\sim$ La Nina Years 🔗 🔗 🔗 🔗 🔗 🔗 🔗

Year	SOI
1970	1.102
1971	1.062
1973	1.143
1973	1.158
1974	1.044
1975	1.054
1988	1.010
1988	1.029
1998	1.081
1998	1.016
2010	1.190
2011	1.127
2021	1.055
2021	1.400

\sim$\sim$ El Nino Years 🔗 🔗 🔗 🔗 🔗 🔗 🔗

Year	SOI
1965	-1.014
1965	-1.052
1972	-1.028
1972	-1.037
1976	-1.037
1977	-1.101
1981	-1.182
1982	-1.114
1986	-1.271
1987	-1.178
1991	-1.000
1992	-1.048
1992	-1.008
1993	-1.038
1993	-1.010
1994	-1.058
1996	-1.038
1997	-1.058
2004	-1.005
2014	-1.025
2015	-1.175