You are doing this program more intense, because you have the strength to do so.

Since it's a high carb burner, you are burning off more carbs which store with water.

So false water weight gain and loss.

Valid weigh-in day for "real" weight, meaning least chance of water weight fluctuations:

Morning after rest day eating normal sodium levels (not higher or lower than norm), and not sore from last workout.

Though you may be at point you can have muscle retained water for repair and not feel sore, but at least that's a starting point.

You are maintaining on 1500 total with that program? huh.
So how low do you have to eat if you can't workout for some reason?

If you are still able to progressive overload and cause micro-tears, you will still have water retained in muscle for repair.

But getting DOMS from the effort may not occur anymore if doing it long enough.

Now, if you are just maintenance lifting and it's all easy for you, then ya, nothing to repair from anymore.

I was almost wondering if you are eating enough for good recovery so you can really lift as heavy as you could, so that you even caused damage and needed repair.

It could be done purposely, it could happen because of the state your body gets to. So while it feels like you are pushing as hard as you can, on muscles not totally recovered and rested it's not as much as they could do.

With that much bouncing around, you should really try a fun 2 week test, see how much improvement on the bar increases.

Eat 250 calories extra daily for 2 weeks. Sounds like a lot, huh.
If you were really eating at maintenance or TDEE prior though, you would slowly gain only 1 lb extra the whole time.
But if you gain faster water weight, you were not, and you have some potential available still.

Do you own a food scale and if so, how often do you use it?

Hummmm u am a bit confused, sorry.

I used this site to figure out tdee. http://iifym.com/tdee-calculator/ it gives me 1718 and bmr 1178. So I was taking a 15% deficit off that to lose body fat and those 6 lbs. I just keep bouncing around and unable to drop body fat.

So if I understand u correctly I should eat the 1718? Daily? What about non workout days? I also was kind going by the programs I have gone which also had me set at 1500 cals or so, even x3 is where it set me. I am short and do have a thyroid disorder do when I gain it's super hard to take it off and I find my metabolism is slower in general so I have never been able do far to eat over 1800 cals with out gaining...,

Whenever that site comes up, I've always seen people reporting how far under it estimates for them, many with tested TDEE's so they know.
10% probably a better idea anyway, with just 6 lbs to go. Less to lose, should try to lose less weekly.
5% would allow max improvements from your workout. Well, the body would prefer surplus, but that's for later, right?

If you trust that TDEE calculator, wouldn't you be able to take a diet break and eat 1718 and maintain? That's what TDEE is after all.
And a diet break is always a good idea.

So the thyroid disorders usually cause slower daily burn because of you not moving as much. The studies with RMR show they are actually about right as expected, within 5% anyway. But when you get to your sedentary TDEE, your daily movement is much reduced from perhaps average levels.
Do you take meds though for it? Do you feel energetic through the day?

Fitnessfrog starts with the Harris BMR calc, most inflated when you have extra weight.

Scooby starts with Mifflin BMR calc, figured 5% more accurate when overweight, as MFP uses it too.

If you have a decent estimate of bodyfat or several averages, Scooby also has a Most Accurate link to use the Katch BMR.

To your guess of the TDEE level, since those hours of exercise are built on a base of sedentary desk job, is weekly job or job time indeed 45 hrs mainly sitting, or are you up and around and active work or home life actually? Because that would increase your TDEE level.

So that's good thyroid is putting your hormones where they should be.

Studies have shown one of the things the body does when it thinks it's not getting enough food for your level of activity, is to slow down your spontaneous daily activity, your normal daily stuff. That conserves some calories for the lower level stuff that can only be slowed down a little but really must be done.
And producing heat just for the sake of heat is a function that can easily be dropped too - because you'll put more clothes on.

So you maintained for a great time there - but you didn't log, so you have no idea what the calorie level was. That might have been potential TDEE there. I say potential, you've likely heard of folks that stalled eating 1200, went to 1400 and maintained too, and didn't start losing till say like 1600. Just proved that despite maintaining at 1400, that wasn't true maintenance.

Compared to Sep to Dec, do you think you ate more when you started the x3 program? Sounds like you should have been if this was more intense program.

Tagging for myself because we are at the same height (WAY heavier though).

I am having the same difficulties you are! I can even say that I took the same eating breaks as you did lol so weird.

I am eating around the same amount as you as well but just not dropping (going up and down between the same few lbs) and feeling SO damn tired!