condition mean min max 0 h after light 17.0054 14.5841 19.4267 2 h after light 5.295135 4.98371 5.60656 4 h after light 4.149955 3.76401 4.5359 8 h after light 2.21356 1.92663 2.50049 12 h after light 2.79425 2.71674 2.87176 2 h after dark 3.269945 3.11244 3.42745 4 h after dark 4.713605 4.67241 4.7548 8 h after dark 12.25907 8.41224 16.1059 12 h after dark 16.95665 14.9216 18.9917