Temp stuffs

So here's another one for you guys.
How do you think it'll affect the girls if its actually colder while the lights are on than in the dark period?
While my lights are running the temps run from 75-70 degrees, while in the dark period, the temps run up between 79-84.
This is because my "day" period is during the night when its cooler.
Do you think this will have a negative effect?

Could lead to root rot definitely don't water too often if you're forced to do this. And yeah I think they actually grow better if I cool them at night (day). I'm in the same situation as you except I cool my room to 72F lights off 78F lights on is when the a/c comes on, not often it's cool here at night also. There's a grow room controller I saw for 150 bucks controls temp and humidity, then 30 bucks for a power relay to run your a/c from it, 30 more for humidity. (contactor is recommended over a relay actually)

It is what it is though I've grown in hotter temps when I had to before definitely let them dry out well, of course not so much that they droop but just before that really wrecks pythiums day.