condition mean min max 4 h after light 0.02263825 0.0 0.0452765 8 h after light 0.04944565 0.0 0.0988913 12 h after light 0.0226993 0.0213618 0.0240368 4 h after dark 0.0610003 0.0569896 0.0678584 8 h after dark 0.03352836666666667 0.0 0.0704366 12 h after dark 0.009367433333333333 0.0 0.0281023