From yesterday’s Washington Post:
BP's well was gushing faster than expected, government experts said. The latest estimate pegs original "flow rate" at 62,000 barrels a day (2.6 million gallons), higher than the last estimate of 35,000 to 60,000 barrels. As the reservoir was depleted, the rate was reduced to 53,000 barrels a day. They calculated the total oil coming from the blown-out well at 4.9 million barrels, more than 18 times the amount of oil that was spilled during the Exxon Valdez disaster.