Oil Pressure Dipping down to 10PSI, goes up to 75PSI.

Recently my oil pressure has been dipping down to 10 PSI idle, I'm not sure how long this has going down since I've never paid too much attention to my oil pressure gauge. But recently I've been watching it because I accidentally drained my battery by leaving on the interior light, so I was just looking to at the gauges and I saw the needle falling fast down to 10 psi. So I get on it a bit and it goes up to 50 psi. Getting on it fully when in park brings it up to 75 psi.


Is there a serious issue going on here? What do you think it could be? I don't know anything about cars, but I think that can't be right. My dad is calling our local mechanic to see what he has to say and to see if he wants us to bring it in. But I'd like to know some more info about what could be going on.

Phew, that's a load off my mind. My dad will still probably call about it, but at least it makes me feel better about it! haha.

Now I hope my battery has enough juice to turn over my car. We jump started it and ran for 15 minutes, than I drove around for another 10 minutes. I'm not sure if that's enough, but I hope it is. If not, we have to find a battery charger >_< I feel like a moron for leaving that damn light on!

Thanks for the information, it helps a lot!