condition mean min max 0 h after light 10.80585 10.6727 10.939 2 h after light 4.00141 3.84131 4.16151 4 h after light 7.937865 7.8572 8.01853 8 h after light 5.1061250000000005 4.66823 5.54402 12 h after light 6.547635 5.07073 8.02454 2 h after dark 10.28665 9.5856 10.9877 4 h after dark 15.4175 15.1719 15.6631 8 h after dark 17.7748 17.1798 18.3698 12 h after dark 12.518149999999999 11.3243 13.712