By 10 p.m. , Claudette was centered about 320 miles east of Brownsville , with maximum sustained winds of 65 mph , 9 mph shy of hurricane strength .
Early Monday , the center of Claudette was about 300 miles east of Brownsville , with maximum sustained wind blowing at 65 mph , 9 mph shy of hurricane strength .
The average American makes four trips a day , 45 percent for shopping or errands .