condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 1.1289333333333333 0.601582 1.78788 9 h after dark 0.0 0.0 0.0 12 h after dark 0.9763146666666667 0.701105 1.2419