condition mean min max 2 h after light 0.24286216666666666 0.0 0.696607 6 h after light 0.147977 0.0 0.445593 10 h after light 0.075927 0.0 0.354334 14 h after light 0.3033848333333333 0.0 0.925704 18 h after light 0.16805915 0.0 0.602795 2 h after dark 0.8881868333333334 0.168986 2.5801