condition mean min max 4 h after light 175.38047749999998 142.221206 208.539749 8 h after light 231.4806855 205.756248 257.205123 12 h after light 221.3514545 213.086237 229.616672 4 h after dark 470.897563 277.931107 663.864019 8 h after dark 489.3048005 331.774397 646.835204 12 h after dark 496.168025 496.168025 496.168025