[CentOS] /tmp directory

Fri Dec 7 18:55:58 UTC 2012
Jerry Geis <geisj at pagestation.com>

Is there something that "automatically" removes files in the /tmp
directory on a scheduled basis? Perhaps like at the start of the month 
or something.
I am on CentOS 6?

I had a number of files stored there and they are just gone. Very odd.