Nevada gaming revenue fell more than 4 percent last month. The Gaming Control Board says Nevada casinos won more than $958 million in May, down 4.53 percent, from more than $1 billion the same month last year. For the fiscal year, however, statewide gaming revenue is still up 0.16 percent. Washoe County gaming revenue was more than $68 million, down 3.41 percent. Reno’s gaming revenue was $50.3 million, down 4.81 percent.