condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.05333516666666667 0.0 0.209617 18 h after light 0.0 0.0 0.0 2 h after dark 0.028233499999999998 0.0 0.169401