condition mean min max 3 h after light 0.686176 0.485647 0.984813 6 h after light 1.156709 0.968597 1.46165 9 h after light 0.303501 0.138681 0.610557 12 h after light 0.23850866666666667 0.134773 0.440897 3 h after dark 0.6381263333333334 0.621906 0.669468 6 h after dark 1.60468 1.3001 1.92487 9 h after dark 2.2343833333333336 1.4957 2.81314 12 h after dark 2.5691699999999997 1.82788 3.01705