condition mean min max 4 h after light 5.367488666666667 4.663941 6.054093 8 h after light 6.887054999999999 4.5159199999999995 10.515939999999999 12 h after light 10.28912 6.915725 13.953520000000001 16 h after light 11.582818 6.525183999999999 16.2793 4 h after dark 12.30149 9.5001 14.89396 8 h after dark 10.925464666666667 7.880127000000001 15.191360000000001