How much do nurses make with a masters in nursing?

According to the U.S. Bureau of Labor Statistics the estimated mean annual wage for nurses as of May 2008 is, This would amount to $31.31 per hour. Median annual wages of registered nurses were $62,450 in May 2008. The middle 50 percent earned between $51,640 and $76,570. The lowest 10 percent earned less than $43,410, and the highest 10 percent earned more than $92,240.