The Consumer Price Index for All Urban Consumers (CPI-U) increased 0.5% in January on a seasonally adjusted basis, following a 0.4% rise in December. Over the past 12 months, the all items index grew 3.0% before seasonal adjustment, according to the U.S. Bureau of Labor Statistics.

Shelter costs rose 0.4% in January, contributing nearly 30% of the total monthly increase. The energy index increased 1.1%, driven by a 1.8% rise in gasoline prices. The food index also climbed 0.4%, with food at home rising 0.5% and food away from home up 0.2%.

Excluding food and energy, the index increased 0.4% for the month. Notable gains included motor vehicle insurance, recreation, used cars and trucks, medical care, communication, and airline fares. Meanwhile, apparel, personal care, and household furnishings and operations declined.

Over the past year, the all items index rose 3.0%, up from a 2.9% annual increase in December. The index for all items less food and energy grew 3.3%. Energy prices increased 1.0%, while food costs rose 2.5% over the 12-month period.