The average yield on a bank money account slipped by 1 basis point, to 5.32 percent.
At the same time the yield on the two-year note slipped to 4.41 percent.
The 30-day compounded average yield slipped 3 basis points, to 5.66 percent.
The yield on the 30-year bond slipped to 6.42 percent.
The yield on the benchmark 30-year bond slipped to 6.92 percent.
The yield on the 30-year bond slipped to 6.58 percent from 6.60 on Friday.
Tax-exempt yields slipped for the third straight week as assets rose by $619 million, to $98.1 billion.
Treasury prices rose for the first time in three sessions, and the yield on the 30-year bond slipped to 7 percent.
But the yield on a six-month certificate slipped by 3 basis points, to 7.74 percent.
The bond's yield slipped to 4.67 percent from 4.71 percent on Friday.
