This is an archived article that was published on sltrib.com in 2017, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Long-term U.S. mortgage rates fell this week to their lowest levels of the year. The benchmark 30-year rate dipped below the key 4 percent mark.

Mortgage buyer Freddie Mac says the average rate on 30-year fixed-rate home loans tumbled to 3.95 percent from 4.02 percent last week. The rate stood at 3.64 percent a year ago and averaged 3.65 percent in 2016, the lowest level in records dating to 1971.

The rate on 15-year mortgages slipped to 3.19 percent from 3.27 percent last week.