condition mean min max 4 h after light 11.395973 2.793009 17.41894 8 h after light 2.0189646666666667 1.490535 2.3857060000000003 12 h after light 1.37755 1.307693 1.472747 16 h after light 5.222285333333333 3.2955870000000003 8.901083999999999 4 h after dark 7.227914 2.138168 15.63724 8 h after dark 2.994844666666667 1.539773 3.966128