condition mean min max 0 h after light 1.2386155 0.989831 1.4874 4 h after light 0.0 0.0 0.0 8 h after light 0.49671849999999995 0.489643 0.503794 4 h after dark 1.219975 0.0 2.43995 8 h after dark 0.489484 0.48743 0.491538 12 h after dark 0.4942505 0.0 0.988501