condition mean min max 4 h after light 440.34839750000003 426.830329 453.866466 8 h after light 528.83172 462.0824 595.58104 12 h after light 391.0963605 389.693595 392.499126 4 h after dark 529.776813 447.311185 612.242441 8 h after dark 418.70023 304.223529 533.176931 12 h after dark 377.407044 377.407044 377.407044