I made a likert scale (0-5) on many of the symptoms I have such as suicidal, overwhelmed, anxiety, etc. When I start struggling I use that to rate my current state although I don't think about it when I'm well. Another thing I use at time is call Optimist - which is a online or Mac OS mood charting system with triggers, staying well strategies. You can customize the lists of behaviors to fit your symptoms. It, however, only allows for one evaluation a day and you can't rate a range of mood if you happen to be someone who has ultra rapid cycling. It works for me b/c my moods are sustained over time -- days to months. You can check it out at http://www.findingoptimism.com/