condition mean min max 4 h after light 263.224421 241.155134 285.293708 8 h after light 368.969099 318.885262 419.052936 12 h after light 342.91242850000003 272.830101 412.994756 4 h after dark 357.791443 323.924364 391.658522 8 h after dark 376.192984 321.770518 430.61545 12 h after dark 146.616672 146.616672 146.616672