Columbia Banking System (NASDAQ:COLB) reported quarterly earnings of $0.67 per share which beat the analyst consensus estimate of $0.64 by 4.69 percent. This is a 3.08 percent increase over earnings of $0.65 per share from the same period last year. The company reported quarterly sales of $491.37 million which beat the analyst consensus estimate of $482.85 million by 1.77 percent. This is a 3.73 percent increase over sales of $473.72 million the same period last year.