Advance estimates of U.S. retail and food services sales for July 2017, adjusted for seasonal variation and holiday and trading-day differences, but not for price changes, were $478.9 billion, an increase of 0.6 percent (± 0.5 percent) from the previous month, and 4.2 percent (± 0.9 percent) above July 2016. Total sales for the May 2017 through July 2017 period were up 3.9 percent (± 0.7 percent) from the same period a year ago. The May 2017 to June 2017 percent change was revised from down 0.2 percent (± 0.5 percent)* to up 0.3 percent (± 0.2 percent). Retail trade sales were up 0.6 percent (± 0.5 percent) from June 2017, and up 4.3 percent (± 0.7 percent) from last year. Nonstore Retailers were up 11.5 percent (± 1.8 percent) from July 2016, while Building Materials and Garden Equipment and Supplies Dealers were up 8.3 percent (± 1.9 percent) from last year.