Average U.S. long-term mortgage rates barely moved this week, remaining close to historically low levels as the spring home-buying season gets underway.

Average U.S. long-term mortgage rates barely moved this week, remaining close to historically low levels as the spring home-buying season gets underway.

Here's a look at rates for fixed and adjustable-rate mortgages this week and over the past year:

Current avg.Last week52-week high52-week low30-year fixed3.703.694.343.5915-year fixed2.982.973.392.925-year adjustable2.922.923.092.821-year adjustable2.462.462.462.35