condition mean min max 4 h after light 5.07956 4.93954 5.33904 8 h after light 4.976816666666666 4.90674 5.09669 12 h after light 4.93868 4.8591 5.06429 4 h after dark 5.00413 4.95009 5.10222 8 h after dark 4.979716666666667 4.95876 5.020580000000001 12 h after dark 4.968766666666666 4.810919999999999 5.10686