condition mean min max 0 h after light 4.0286 3.93229 4.12491 2 h after light 2.26787 2.17208 2.36366 4 h after light 1.76165 1.69588 1.82742 8 h after light 2.52797 2.37371 2.68223 12 h after light 3.418735 3.39594 3.44153 2 h after dark 4.158365 3.75733 4.5594 4 h after dark 4.32179 3.99254 4.65104 8 h after dark 5.1974350000000005 5.18284 5.21203 12 h after dark 4.415095 3.10939 5.7208