Lab results TRT dropped?

I’ve been on TRT cyp for about 4 months now, 2 months ago my labs showed my Test total went from 13 to 156 and total T from 0.5 to 1.5, just did my labs again and my total T is now 81 and free T 1.4. I didn’t take my TRT for 1 1/2 weeks a few weeks ago since I was waiting on it, could that be the reason it dropped? My dose has been the same the whole time, 3mg every 3 days so about 7mg a week. Was not expecting it to drop!