Industrial production declined 0.9 percent in August following six consecutive monthly gains. Hurricane Harvey, which hit the Gulf Coast of Texas in late August, is estimated to have reduced the rate of change in total output by roughly 3/4 percentage point. The index for manufacturing decreased 0.3 percent; storm-related effects appear to have reduced the rate of change in factory output in August about 3/4 percentage point. The manufacturing industries with the largest estimated storm-related effects were petroleum refining, organic chemicals, and plastics materials and resins.

The output of mining fell 0.8 percent in August, as Hurricane Harvey temporarily curtailed drilling, servicing, and extraction activity for oil and natural gas. The output of utilities dropped 5.5 percent, as unseasonably mild temperatures, particularly on the East Coast, reduced the demand for air conditioning.