On a seasonally adjusted basis, the Consumer Price Index for All Urban Consumers (CPI-U) increased 0.6 percent in January, its largest monthly advance since a 0.6 percent rise in March 2000.
The energy index rose 3.9 percent in January, accounting for over one-half of the overall CPI-U increase. The index for energy services rose 7.7 percent, largely as a result of a record monthly increase in the index for utility natural gas—up 17.4 percent. The index for petroleum-based energy was unchanged in January.
The food index increased 0.3 percent, following a 0.5 percent rise in December. Excluding food and energy, the CPI-U rose 0.3 percent in January, following an increase of 0.1 percent in December.
For the 12-month period ended in January, the CPI-U increased 3.7 percent.
Bureau of Labor Statistics, U.S. Department of Labor, The Economics Daily, Consumer prices increase 0.6 percent in January at https://www.bls.gov/opub/ted/2001/feb/wk3/art03.htm (visited January 29, 2023).