Columbia Banking System (NASDAQ:COLB) reported quarterly earnings of $0.72 per share which beat the analyst consensus estimate of $0.69 by 4.35 percent. This is a 7.46 percent increase over earnings of $0.67 per share from the same period last year. The company reported quarterly sales of $677.000 million which missed the analyst consensus estimate of $677.150 million by 0.02 percent. This is a 37.78 percent increase over sales of $491.372 million the same period last year.