Originally Posted by ppgoal

As stated, a little bit can be due to condensation from external temperature changes. A good, long high speed drive should evaporate it from your oil. I would also recommend an oil change using synthetic -- it seems more resistant to this problem. If it appears again soon after the oil change, then you might have a head gasket leak.

Short trips in cold weather are hard on a car. Note how water will drip out the tail pipe -- this is one byproduct of combustion and only driving enough to thoroughly heat the engine and oil will eliminate it.