condition mean min max 3 h after light 0.39055399999999996 0.087368 0.892971 6 h after light 0.46479066666666663 0.288585 0.730143 9 h after light 0.731044 0.621755 0.885297 12 h after light 1.28456 1.00604 1.44649 3 h after dark 1.7765633333333333 1.6418 2.03574 6 h after dark 1.56446 1.24323 1.75875 9 h after dark 1.0740556666666667 0.62717 1.69789 12 h after dark 0.907513 0.650346 1.16468