WASHINGTON (MarketWatch) -- U.S. banks' direct primary credit borrowing from the Federal Reserve rose to a record high in the latest week. Banks primary credit borrowings averaged $17.45 billion per day in the latest week, up from the previous record set last week of $16.38 billion, the Fed said on Thursday. On the day of July 30, banks' primary credit borrowings inched lower to $17.38 billion, down from $17.68 billion on July 23. Banks' overall discount window borrowings averaged $17.64 billion per day in the week ended July 23, up from an average of $16.51 billion per day the week before. Dealers borrowed $3 billion average per day from the Primary Dealer Credit Facility in the latest week after not borrowing at all the week before.