condition mean min max 4 h after light 12.4932795 10.430829 14.55573 8 h after light 10.6680445 10.04644 11.289649 12 h after light 10.430829 10.430829 10.430829 4 h after dark 10.3207515 10.210674 10.430829 8 h after dark 10.0874335 9.744038 10.430829 12 h after dark 9.98562 9.98562 9.98562