condition mean min max 3 h after light 0.0100867 0.0 0.0302601 6 h after light 0.008487533333333333 0.0 0.0254626 9 h after light 0.0 0.0 0.0 12 h after light 0.019387825 0.0 0.0282416 3 h after dark 0.023451800000000002 0.0 0.0391963 6 h after dark 0.09666386666666667 0.0891722 0.107678 9 h after dark 0.0 0.0 0.0 12 h after dark 0.02744265 0.0240272 0.0308581