Total U.S. coal production for the week ended July 27 declined 6.3% year over year to 13.9 million tons from 14.9 million tons, according to data from the U.S. Energy Information Administration.
For the 52 weeks ended July 27, production was 734.7 million tons, representing a year-over-year slump of 2.9%, while year-to-date coal output dropped 4.6% year over year to 403.4 million tons.
The western region's coal production for the week reached 7.6 million tons, posting a 9.7% decrease from the prior year's 8.5 million tons. Data for the western region covers Powder River Basin mines.
Coal production from Appalachian mines totaled 3.7 million tons, virtually unchanged year over year.
The interior region's production was virtually unchanged to 2.6 million tons from the year-ago period. Interior region data covers mines in the Illinois Basin.
The EIA's production data is derived from rail carload estimates.