condition mean min max 3 h after light 0.08422266666666667 0.0 0.252668 6 h after light 0.15997233333333333 0.0 0.254598 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 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