condition mean min max 0 h after light 3.9642800000000005 3.25559 4.67297 2 h after light 4.77966 4.07672 5.4826 4 h after light 5.824585 5.58465 6.06452 8 h after light 10.764595 9.80629 11.7229 12 h after light 14.4365 13.0791 15.7939 2 h after dark 13.687850000000001 13.4067 13.969 4 h after dark 17.680349999999997 16.6882 18.6725 8 h after dark 13.95555 12.6537 15.2574 12 h after dark 5.39706 5.29177 5.50235