Hello! Congrats on hatching a lateralis.
I keep my lateralis at temperatures of 70-80 F (21-26 C) with a basking spot of around 90 F (32 C). At night the temperature usually drops to 65 F (18 C).
The humidity varies throughout the day from 40-90%. I have an automatic misting system that runs twice a day for five minutes at a time.
I hope that helps. I am no expert but I would be happy to help with any other questions.