Industrial production was down 0.3% in January, the Federal Reserve reported Wednesday.
The increase followed a revised 0.6% rise in December, first reported as a 0.8% increase.
Capacity utilization fell to 75.3% in January from a revised 75.6%, first reported as 75.5%, the previous month.
Economists polled by Thomson Reuters projected a flat reading for industrial production and a 75.5% capacity utilization rate.
Manufacturing output was up 0.2% in January, following a 0.2% gain in December.
Utilities' output fell 5.7% after increasing 5.1% in December, while mining was up 2.8% after a 1.4% decline the month before.