condition mean min max 4 h after light 1.135265 0.73332 1.53721 8 h after light 1.131899 0.994398 1.2694 12 h after light 1.303455 1.20283 1.40408 4 h after dark 1.508075 1.27837 1.73778 8 h after dark 1.46678 1.435 1.49856 12 h after dark 2.0259650000000002 1.71549 2.33644