condition mean min max 4 h after light 482.5 482.5 482.5 8 h after light 539.75 426.6 652.9 12 h after light 620.25 519.2 721.3 4 h after dark 639.6500000000001 578.6 700.7 8 h after dark 425.75 399.2 452.3 12 h after dark 353.04999999999995 348.4 357.7