condition mean min max 4 h after light 379.7987 352.8813 405.8377 8 h after light 437.3087 392.0236 480.6469 12 h after light 319.60043333333334 261.2298 382.6311 16 h after light 499.8195666666667 416.2058 643.7653 4 h after dark 548.9792 476.3068 610.2658 8 h after dark 289.91706666666664 228.3759 347.7938