condition mean min max 3 h after light 0.927792 0.575564 1.23889 6 h after light 0.9809206666666667 0.86966 1.13775 9 h after light 2.1851066666666665 1.53718 2.99133 12 h after light 2.6524170000000002 0.804458 3.61716 3 h after dark 3.13825 2.92675 3.3922 6 h after dark 3.2462233333333335 2.64333 4.37808 9 h after dark 2.1165333333333334 1.75672 2.44322 12 h after dark 1.083864 0.988068 1.17966