Relationship of Sahel Precipitation and Atmospheric Centers of Action

Table 1

COA variable, corresponding correlation coefficient with Sahel precipitation, and effective sample size. Bold: value statistically significant at the 5% level. The Azores High and South Asia data are for 1948–1998, and the SOI values are for 1951–1998.

COA variable	Correlation with Sahel precipitation	Effective sample size
SAL pressure	−0.68	9
SAL latitude	0.44	10
SAL longitude	0.16	17
AZH pressure	−0.17	29
AZH latitude	−0.05	51
AZH longitude	−0.41	43
SOI (1951–1998)	0.34	48