condition mean min max 4 h after light 413.866363 345.477945 482.254781 8 h after light 608.8722715 570.204794 647.539749 12 h after light 522.5645474999999 518.172526 526.956569 4 h after dark 411.8249345 314.408264 509.241605 8 h after dark 279.21389 228.905799 329.521981 12 h after dark 299.409897 299.409897 299.409897