condition mean min max 0 h after light 0.1864275 0.0 0.372855 2 h after light 0.198031 0.186759 0.209303 4 h after light 0.091371 0.0 0.182742 8 h after light 0.0958995 0.0 0.191799 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.104844 0.0 0.209688 12 h after dark 0.1913855 0.0 0.382771