Otter Tail (NASDAQ: OTTR) reported quarterly earnings of $1.23 per share which missed the analyst consensus estimate of $1.29 by 4.65 percent. This is a 5.38 percent decrease over earnings of $1.30 per share from the same period last year. The company reported quarterly sales of $308.099 million which missed the analyst consensus estimate of $311.148 million by 0.98 percent. This is a 1.65 percent increase over sales of $303.111 million the same period last year.