condition mean min max 4 h after light 0.03085905 0.0 0.0617181 8 h after light 0.356734 0.244526 0.468942 12 h after light 0.2342615 0.113982 0.354541 4 h after dark 0.285887 0.202683 0.41364 8 h after dark 0.03181376666666667 0.0 0.0954413 12 h after dark 0.0 0.0 0.0