Mild weather is one of the factors, and we're going into the heating-oil season with high stocks.

Warm weather in the Northern Hemisphere continues to weigh on the heating oil market, and that has been dragging crude prices down too.

As the temperature drops, the need for heating oil goes up.

If injections from April through October match last year's pace, stocks could begin the next heating season with a record 3.6 trillion cubic feet in the ground.

Record setting wet weather in key Western Canadian producing regions and industry activity levels in the North American oil and gas service sector have restricted access to land and equipment in an unprecedented way this year,

The market would probably be weaker without these concerns.