condition mean min max 3 h after light 1.81045 1.37509 2.22633 6 h after light 3.9115766666666665 3.11121 4.67893 9 h after light 5.150633333333333 4.98708 5.38278 12 h after light 5.2184425 1.29737 7.29842 3 h after dark 4.02629 3.86185 4.291 6 h after dark 2.52924 2.30238 2.94997 9 h after dark 1.7946233333333335 1.49766 2.12773 12 h after dark 0.868027 0.843704 0.89235