condition mean min max 2 h after light 0.411115 0.147303 0.688416 6 h after light 0.1903657 0.0794012 0.394676 10 h after light 0.24175616666666666 0.135518 0.450108 14 h after light 0.42076600000000003 0.154771 0.70825 18 h after light 0.5487518333333333 0.273714 0.998219 2 h after dark 0.4224636666666667 0.086359 0.846614