condition mean min max 4 h after light 20.25825 19.5025 21.014 8 h after light 14.1668 13.8682 14.4654 12 h after light 33.5726 31.4569 35.6883 4 h after dark 43.1166 41.3114 44.8653 8 h after dark 38.734566666666666 36.4045 40.4598 12 h after dark 30.6806 28.4884 33.4552