condition mean min max 3 h after light 2.5119866666666666 2.37509 2.73012 6 h after light 2.384716666666667 1.61756 3.08515 9 h after light 3.0976866666666667 2.24325 4.19654 12 h after light 4.54085 3.45758 5.65483 3 h after dark 4.60075 4.15934 4.93122 6 h after dark 3.87488 3.65701 4.25442 9 h after dark 2.5493300000000003 1.82698 3.29904 12 h after dark 2.306755 2.0436 2.56991