1.   Higher heating oil demand may cause stockpiles to drop further after last week dipping unexpectedly, according to American Petroleum Institute.

2.   Stockpiles typically drop at this time of year as U.S. roasters prepare for a surge in demand when the weather turns cold.

3.   Stockpiles typically drop around now as U.S. roasters prepare for a surge in demand when the weather turns cold.

4.   Stockpiles typically drop this time of year as U.S. roasters prepare for a surge in demand when the weather turns cold.