LEGEND 
E JAN.—JUNE 
U JULY—DEC. 
0.5 CALMS JAN.—JUNE (PERCENT) 
0 CALMS JULY—DEC. (PERCENT) 
9 
1 
0. 
MEAN SPEED (KNOTS) 
0.9 
10 20 
PERCENT 
FIGURE 20 SURFACE CURRENT ROSE, GUIANA CURRENT 
52 
