condition mean min max 3 h after light 0.04858043333333333 0.0 0.105797 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.06280616666666666 0.0445743 0.0883544 6 h after dark 0.03033486666666667 0.0 0.0910046 9 h after dark 0.023828199999999997 0.0 0.0384949 12 h after dark 0.0 0.0 0.0