condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0276725 0.0 0.055345 12 h after light 0.0 0.0 0.0 4 h after dark 0.030346333333333333 0.0 0.091039 8 h after dark 0.08089466666666667 0.0 0.242684 12 h after dark 0.074739 0.0 0.113106