Industrial production increased 0.8 percent in December after having risen 0.3 percent in November. The rate of change for industrial production was revised down in November but revised up in September and October; the net effect of the revisions from July to November left the level of industrial production in November slightly higher than was previously reported. For the fourth quarter as a whole, industrial production increased at an annual rate of 2.4 percent, a slower pace than in the earlier quarters of the year. In the manufacturing sector, output moved up 0.4 percent in December with gains in both durables and nondurables. Excluding motor vehicles and parts, factory output increased 0.5 percent. The output of mines advanced 0.4 percent; the output of utilities surged 4.3 percent, as unusually cold weather boosted the demand for heating. At 94.9 percent of its 2007 average, total industrial production in December was 5.9 percent above its level of a year earlier. The capacity utilization rate for total industry rose to 76.0 percent, a rate 4.6 percentage points below its average from 1972 to 2009.