condition mean min max 2 h after light 0.0837295 0.0 0.502377 6 h after light 0.020858 0.0 0.125148 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.06966566666666667 0.0 0.417994 2 h after dark 0.0 0.0 0.0