3 month libor historical daily rates
Bankrate.com (tm) provides the 3 month LIBOR rate and the 90 day LIbor rates index. The average is reported at 11:30 am. LIBOR is actually a set of indexes. There are separate LIBOR rates reported for 7 different maturities (length of time to repay a debt) for each of 5 currencies. The shortest maturity is overnight, the longest is one year.