condition mean min max 3 h after light 0.5092966666666667 0.450529 0.581851 6 h after light 0.646582 0.178693 1.18448 9 h after light 0.6357583333333333 0.380762 1.03519 12 h after light 0.66264525 0.339466 1.23421 3 h after dark 0.35268886666666666 0.0728936 0.801791 6 h after dark 0.38940033333333335 0.25189 0.625798 9 h after dark 0.1699062 0.0663836 0.282688 12 h after dark 0.8667895 0.721859 1.01172