condition mean min max 3 h after light 2.1621266666666665 1.66721 2.92609 6 h after light 4.326486666666667 1.95803 6.258 9 h after light 6.140373333333334 5.3631 7.3605 12 h after light 8.085185 5.38886 13.3772 3 h after dark 12.6883 11.8352 13.837 6 h after dark 8.62547 8.04673 9.2625 9 h after dark 6.50885 6.0868 7.20001 12 h after dark 3.44996 2.06838 4.83154