condition mean min max 3 h after light 4.72478 3.57359 5.76965 6 h after light 8.97897 3.80124 15.9339 9 h after light 7.48048 2.71914 14.9757 12 h after light 8.7732 0.0 14.4191 3 h after dark 1.4596166666666666 0.0 4.37885 6 h after dark 2.1989733333333334 0.0 3.47879 9 h after dark 1.1739733333333333 0.0 3.52192 12 h after dark 3.07428 0.0 4.89101