condition mean min max 2 h after light 1.2777176666666668 0.682286 1.78794 6 h after light 0.696847 0.488 0.852548 10 h after light 1.0725546666666665 0.688622 1.6533 14 h after light 1.1420815 0.553185 1.83123 18 h after light 1.1851366666666667 1.02775 1.75238 2 h after dark 2.18469 1.02183 3.0074