condition mean min max 4 h after light 0.265505 0.186794 0.344216 8 h after light 0.2057775 0.173734 0.237821 12 h after light 0.3599585 0.350248 0.369669 4 h after dark 1.25395 1.07699 1.43091 8 h after dark 0.7196929999999999 0.710753 0.728633 12 h after dark 0.466181 0.318817 0.613545