The weekly average yield to maturity of The Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, dropped four basis points to 3.94% from 3.98% in the previous week.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields was two basis points higher to 3.30% from 3.28% from the previous week. It is at its highest level since March 31 when it stood at 3.38%.
The 11-Bond GO Index of higher-grade 11-year GO yields increased two basis points to 2.82% from 2.80% from the prior week. It is at its highest level in three weeks when it stood at 2.90%.
The Bond Buyer's Revenue Bond Index gained two basis points to 3.71% from 3.69% last week. It is at its highest level since March 31 when it stood at 3.76%.
The yield on the U.S. Treasury's 10-year note was up nine basis points to 1.79% from 1.70%, while the yield on the Treasury's 30-year bond was eight basis points higher to 2.60% from 2.52% in the previous week.