condition mean min max 4 h after light 468.9117 448.3712 483.4258 8 h after light 411.84813333333335 228.7377 580.1172 12 h after light 420.2381 380.9286 468.3633 16 h after light 539.3807666666667 457.3654 683.7778 4 h after dark 691.0605666666667 632.577 758.596 8 h after dark 583.5783 449.5101 704.1406