condition mean min max 3 h after light 1.2935166666666666 1.19766 1.45837 6 h after light 0.692144 0.435441 0.936667 9 h after light 0.315934 0.152882 0.421747 12 h after light 1.22594325 0.752013 1.50174 3 h after dark 2.87674 2.17998 3.34247 6 h after dark 3.3637966666666665 2.84584 3.67375 9 h after dark 4.13043 3.57352 5.00988 12 h after dark 1.538274 0.821788 2.25476