condition	mean	min	max
4 h after light	6.9579	6.0876	8.30906
8 h after light	3.84754	1.79677	5.57602
12 h after light	6.11149	3.27811	9.59243
4 h after dark	5.294746666666667	3.53131	6.2858
8 h after dark	9.253723333333333	8.09725	10.0137
12 h after dark	9.7893	9.65278	9.98098