condition mean min max 4 h after light 0.94543 0.87557 1.01529 8 h after light 1.28969 1.24884 1.33054 12 h after light 1.88631 1.61702 2.1556 4 h after dark 3.4662533333333334 2.05426 5.08573 8 h after dark 1.8494499999999998 1.62479 2.02817 12 h after dark 1.05962 0.0 1.95002