condition mean min max 4 h after light 391.644011 386.897301 396.390721 8 h after light 459.66857749999997 458.342189 460.994966 12 h after light 315.23889599999995 306.539749 323.938043 4 h after dark 148.413408 92.770558 204.056258 8 h after dark 96.2243335 43.61886 148.829807 12 h after dark 413.308893 413.308893 413.308893