condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.22721266666666665 0.0 0.681638 9 h after light 0.0 0.0 0.0 12 h after light 0.08786675 0.0 0.351467 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0