condition	mean	min	max
4 h after light	6.079215	5.97357	6.18486
8 h after light	3.564455	3.48979	3.63912
12 h after light	2.281465	1.87291	2.69002
4 h after dark	3.119813333333333	2.89849	3.53617
8 h after dark	5.539696666666667	4.50724	6.68139
12 h after dark	8.48713	7.94075	9.28096