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Fig. 5. (A) Escherichia coli concentrations from Days 182 through 221, indicating incidents of a current shift. White bars indicate a current reversal from the previous day; black bars indicate days when E. coli count exceeded 150 MPN/100 ml at Central Avenue Beach; gray bars indicated days when E. coli exceeded 150 MPN/100 mL at Mount Baldy beach. (B) Alongshore component of the current velocity at 0600 h each day; positive component corresponds to the upshore direction, toward northeast.
