condition mean min max 0 h after light 0.0624355 0.0 0.124871 4 h after light 0.125175 0.123116 0.127234 8 h after light 0.0 0.0 0.0 4 h after dark 0.1228815 0.122639 0.123124 8 h after dark 0.1235005 0.122982 0.124019 12 h after dark 0.24669 0.243974 0.249406