haha...uh...not since I've owned it 87K miles to 147Kmiles. and who knows when before that. I never really thought to change it. I'm sure the cold is just making it thicker than the pump can handle...
Phew..I never thought about the PS pump, etc. doing this. This makes me feel better. I was thinking maybe like one of the piston rings were shrinking and letting oil past it..or like the block was contracting more than the pistons and...blah..I dont know much about vehicles if you can't tell

thanks guys..
I'm not going synthetic. I like dino oil. I may get thinner oil though...like 5W-30. Not likely..but I may consider it.