condition mean min max 3 h after light 64.2536 57.5267 69.749 6 h after light 67.1035 58.2335 71.5738 9 h after light 67.63196666666667 63.2157 70.6421 12 h after light 55.5998 54.002 56.9842 3 h after dark 85.4182 83.5988 88.9774 6 h after dark 80.5235 79.9867 81.3606 9 h after dark 65.58026666666666 60.766 68.5095 12 h after dark 76.9969 69.486 81.1831