condition mean min max 4 h after light 0.6871313333333333 0.119967 1.47553 8 h after light 0.785688 0.263154 1.24953 12 h after light 0.296199 0.187938 0.44427 4 h after dark 0.524277 0.29438 0.684487 8 h after dark 0.49778766666666663 0.313958 0.644759 12 h after dark 0.739471 0.204474 1.40227