condition mean min max 3 h after light 0.0331908 0.0 0.0995724 6 h after light 0.06406186666666666 0.0501441 0.0889224 9 h after light 0.048611166666666664 0.0380107 0.0660988 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0306384 0.0 0.0484888 9 h after dark 0.016379633333333334 0.0 0.0491389 12 h after dark 0.0746839 0.0602383 0.0956459