condition mean min max 4 h after light 608.4 608.4 608.4 8 h after light 710.1500000000001 666.2 754.1 12 h after light 706.95 571.7 842.2 4 h after dark 689.8 565.4 814.2 8 h after dark 636.8 444.3 829.3 12 h after dark 515.45 470.4 560.5