As can be seen in the graph, in general terms, the more sunlight the plants receive per day, the higher growth they have.
This is a quite linear process, with a drop in the growth on day 10 for the treatments with more sunlight exposure per day, but both return to the general trend on day 11.
In the case of 3 hours of sunlight per day treatment, it seemed like after 9 days of exposure the plants' growth started to slightly decrease.