condition mean min max 4 h after light 4.33015 2.45988 5.40474 8 h after light 4.5807080000000004 0.769484 8.04837 12 h after light 4.773446666666667 2.9771 7.17147 4 h after dark 7.747206666666667 5.97939 9.61891 8 h after dark 5.82845 3.18635 8.38361 12 h after dark 6.21572 5.03253 8.13369