condition mean min max 4 h after light 706.2045615 508.052239 904.356884 8 h after light 410.1110165 332.954782 487.267251 12 h after light 382.542501 379.391407 385.693595 4 h after dark 402.128373 349.507219 454.749527 8 h after dark 464.675542 381.909949 547.441135 12 h after dark 708.777217 708.777217 708.777217