Average U.S. long-term mortgage fell for a second straight week, edging closer to historically low levels at the start of the spring home-buying season.

Average U.S. long-term mortgage fell for a second straight week, edging closer to historically low levels at the start of the spring home-buying season.

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 fixed3.693.784.413.5915-year fixed2.973.063.472.925-year adjustable2.922.973.122.821-year adjustable2.462.462.462.35