condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.1695616666666667 0.0 0.508685 9 h after light 0.0 0.0 0.0 12 h after light 0.112311 0.0 0.449244 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0