condition mean min max 4 h after light 56.795065 53.106851 60.483279 8 h after light 56.747909 53.558899 59.936919 12 h after light 46.6647735 36.944467 56.38508 4 h after dark 44.714366999999996 39.665788 49.762946 8 h after dark 53.5907195 48.911804 58.269635 12 h after dark 22.919919 22.919919 22.919919