condition mean min max 0 h after light 6.28433 5.61192 6.95674 2 h after light 2.699365 2.67296 2.72577 4 h after light 2.12942 1.66696 2.59188 8 h after light 3.76727 2.98562 4.54892 12 h after light 3.5637749999999997 3.24517 3.88238 2 h after dark 3.186045 3.04562 3.32647 4 h after dark 6.07095 5.76743 6.37447 8 h after dark 5.9468 4.24255 7.65105 12 h after dark 4.772735 3.08598 6.45949