condition mean min max 3 h after light 1.51601 1.15274 1.71224 6 h after light 1.1535076666666666 0.836313 1.39804 9 h after light 1.5053653333333332 0.811566 2.26606 12 h after light 2.0638799999999997 1.64654 2.3442 3 h after dark 2.72886 2.59899 2.83924 6 h after dark 3.55859 2.8163 4.22368 9 h after dark 2.206366666666667 1.81861 2.61923 12 h after dark 1.1783136666666667 0.726611 1.41995