condition mean min max 4 h after light 1.6061549999999998 1.11702 2.09529 8 h after light 2.51839 2.2909 2.74588 12 h after light 3.21879 3.0944 3.34318 4 h after dark 3.498936666666667 2.64225 4.17181 8 h after dark 3.224876666666667 2.35916 4.26717 12 h after dark 1.5932600000000001 1.0558 1.98603