condition mean min max 3 h after light 4.20718 1.82552 7.44495 7 h after light 3.5681533333333335 1.71833 5.31679 11 h after light 2.7760325 1.74678 4.12993 2 h after dark 3.273015 1.2102 5.28113 6 h after dark 3.7706583333333334 1.70763 6.20643 10 h after dark 3.9151425 1.87062 8.58722