Hello Could Anyone Help Me With A Couple Of Questions?

Hello, my set up is a 4ftx4ftx6ft tent with a 4" tt Extractor fan with carbon filter, 400W hps light and one small desk fan and a large fan blowing at the light.

i have cheese clones in there and my tempature is sticking around 82-85f , is this tempature to hot ? the light is as close as i can get it to the plants without burning it which is around 1.5ft -2ft away.

would i need to add a intake fan to help cool it down ?
the humidity is around 36% min 45% max
 
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