condition mean min max 4 h after light 697.058631 656.089529 738.027733 8 h after light 773.447189 726.539749 820.354629 12 h after light 826.3252875000001 648.873639 1003.776936 4 h after dark 735.2877595 711.737838 758.837681 8 h after dark 499.08111199999996 328.591437 669.570787 12 h after dark 613.683635 613.683635 613.683635