condition mean min max 2 h after light 0.484857 0.0 0.696594 6 h after light 1.324002 0.453629 2.67907 10 h after light 1.3899358333333334 0.597785 2.5472 14 h after light 1.434638 0.587481 3.50879 18 h after light 1.2041446666666666 0.505038 2.36363 2 h after dark 0.980429 0.162513 3.02343