condition mean min max 0 h after light 0.434237 0.217409 0.651065 4 h after light 0.6454945 0.221129 1.06986 8 h after light 2.28548 2.20915 2.36181 4 h after dark 2.4540949999999997 1.4979 3.41029 8 h after dark 1.39471 1.29324 1.49618 12 h after dark 0.9611255 0.650191 1.27206