condition mean min max 3 h after light 0.1743 0.0 0.35703 6 h after light 0.077563 0.0 0.11793 9 h after light 0.24189666666666668 0.0 0.467278 12 h after light 0.33191775 0.0 0.865512 3 h after dark 0.27989533333333333 0.134185 0.536713 6 h after dark 0.333051 0.267392 0.383996 9 h after dark 0.8147473333333333 0.394298 1.56114 12 h after dark 2.0013549999999998 1.34507 2.65764