A downward trend always hurts considerably. Your UC GPA looks okay, however. I think your application is a little weak but stands a chance at some of the schools listed. Have you looked at schools outside the UCs? You could be a good candidate for decent state schools.
Chance me back?
http://talk.collegeconfidential.com/what-my-chances/1754467-chance-a-refugee-for-ed-dartmouth-ivies-ill-chance-you-back.html#latest