condition mean min max 2 h after light 1.5428688333333334 0.0 3.11682 6 h after light 1.1587158333333334 0.420017 2.51653 10 h after light 1.4673098333333334 0.0 2.76696 14 h after light 2.5732114999999998 0.877479 5.32161 18 h after light 2.7684463333333333 0.852538 6.09368 2 h after dark 3.1874715 0.659799 6.71927