Ok, your clomid dose was massive, and could have caused your high E2 due to aromatization of the high test. That alone will make you emotional. Clomid as well, can make some people borderline suicidal. Those combined are, well, what you're going through right now.
The low LH could have just been a factor of when your labs were drawn. You didn't take any clomid the day of your labs, correct?
I would PCT with LOW DOSES for 6-8 more weeks. Nolva (at 20mg ED) is better if you can get your hands on it, because it doesn't cause the same emotional issues that clomid can. If not then just run clomid at 25mg ED. 120-150 is an insane dose. Don't ever do that again. Obviously. 25mg is far less likely to cause the same emotional issues that 120-150 does.
As for the arimidex, it's already been a few days since your last labs, so we're kind of guessing here. I would take 0.5mg every day for the next 2-3 days, then drop to 0.25 every other day for the rest of your PCT.
Low dose PCT plus getting your E2 down should significantly improve how you feel within the next week or so.