condition mean min max 3 h after light 10.72489 9.66279 12.5658 6 h after light 13.342266666666667 10.8249 15.2257 9 h after light 17.706433333333333 15.8995 20.8779 12 h after light 17.004649999999998 11.4485 19.5252 3 h after dark 10.3886 10.3263 10.4882 6 h after dark 8.743173333333333 7.62028 9.92771 9 h after dark 7.099576666666667 5.8404 8.25796 12 h after dark 8.21603 8.09604 8.33602