condition mean min max 4 h after light 211.7841825 148.654787 274.913578 8 h after light 208.37710399999997 198.035318 218.71889 12 h after light 236.601495 174.586318 298.616672 4 h after dark 443.45995400000004 254.750155 632.169753 8 h after dark 495.0241355 331.581543 658.466728 12 h after dark 375.423887 375.423887 375.423887