condition mean min max 4 h after light 5.00951 3.97273 6.04629 8 h after light 4.203989999999999 4.13172 4.27626 12 h after light 3.0592550000000003 2.61378 3.50473 4 h after dark 6.755176666666666 6.21387 7.28431 8 h after dark 7.585666666666667 7.21858 8.2822 12 h after dark 10.834623333333333 9.94497 12.3681