condition mean min max 0 h after light 6.5969050000000005 1.76881 11.425 2 h after light 1.771955 0.0 3.54391 4 h after light 5.328335 3.46769 7.18898 8 h after light 36.45455 31.0541 41.855 12 h after light 16.1919 14.2121 18.1717 2 h after dark 18.76625 13.8592 23.6733 4 h after dark 13.00765 11.9004 14.1149 8 h after dark 12.612715 7.95803 17.2674 12 h after dark 12.05595 10.8951 13.2168