condition mean min max 2 h after light 0.14086785 0.0 0.297136 6 h after light 0.01412715 0.0 0.0847629 10 h after light 0.04147616666666667 0.0 0.145002 14 h after light 0.0340766 0.0 0.104741 18 h after light 0.032695466666666666 0.0 0.114268 2 h after dark 0.1640356 0.0846206 0.321454