condition mean min max 0 h after light 6.26978 5.31956 7.22 4 h after light 5.443915 5.1179 5.76993 8 h after light 4.8155149999999995 4.41059 5.22044 4 h after dark 5.78353 5.75272 5.81434 8 h after dark 5.771745 5.4081 6.13539 12 h after dark 4.9374400000000005 4.81952 5.05536