condition mean min max 4 h after light 0.06591745 0.0463564 0.0854785 8 h after light 0.0804685 0.0 0.160937 12 h after light 0.0 0.0 0.0 4 h after dark 0.035219 0.0 0.105657 8 h after dark 0.03372066666666667 0.0 0.101162 12 h after dark 0.04331933333333333 0.0 0.129958