condition mean min max 3 h after light 0.156336 0.0 0.469008 6 h after light 0.804776 0.57615 1.08442 9 h after light 0.96254 0.0 1.52978 12 h after light 0.88654425 0.568484 1.43782 3 h after dark 1.1333533333333334 0.70508 1.58635 6 h after dark 1.53301 1.05377 2.28418 9 h after dark 0.8803466666666667 0.258982 1.92633 12 h after dark 0.601632 0.523676 0.679588