condition mean min max 4 h after light 739.5561339999999 613.629015 865.483253 8 h after light 772.308902 687.090606 857.527198 12 h after light 899.314107 771.076362 1027.551852 4 h after dark 1306.5211235 939.689543 1673.352704 8 h after dark 1725.5534105 1720.874764 1730.232057 12 h after dark 724.895777 724.895777 724.895777