condition mean min max 3 h after light 0.7217376666666666 0.547843 0.836828 6 h after light 0.911668 0.773462 0.98425 9 h after light 1.213659 0.977787 1.60233 12 h after light 1.538212 0.782348 1.94294 3 h after dark 2.62499 2.32417 2.91099 6 h after dark 1.56754 1.14667 1.84043 9 h after dark 1.26811 1.02098 1.59142 12 h after dark 0.880655 0.800399 0.960911