Humidty low? cfl grow

I have 10 cfll ranging from 26w to 45 w and 9 plants, temp is ranging from 73 to 78 during day and 63 to 65 at night and humidty stays at 20, is this ok?

i got the same humidity people say its fine but if you have seedlings you want the humidity higher i started my grow at 20% notice they were drying out etc too fast and cracking so i got a humidifer its around 40% now and that seems to be perfect

I'd say your lights are at least half as much as you need for that many plants.