condition mean min max 2 h after light 0.029718166666666667 0.0 0.178309 6 h after light 0.027705999999999998 0.0 0.166236 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0