condition mean min max 4 h after light 641.1167535 537.047374 745.186133 8 h after light 751.1705625 626.955222 875.385903 12 h after light 445.4391825 333.014125 557.86424 4 h after dark 361.55888600000003 264.098638 459.019134 8 h after dark 229.85682450000002 200.30898 259.404669 12 h after dark 384.069901 384.069901 384.069901