condition mean min max 0 h after light 1.752865 1.73279 1.77294 4 h after light 2.018165 1.83329 2.20304 8 h after light 10.22692 9.28784 11.166 4 h after dark 8.187635 6.22507 10.1502 8 h after dark 4.999359999999999 3.95116 6.04756 12 h after dark 1.958735 1.42509 2.49238