condition	mean	min	max
4 h after light	6.21242	5.24762	7.17722
8 h after light	5.57366	4.43023	6.71709
12 h after light	3.9686649999999997	3.85172	4.08561
4 h after dark	4.583403333333333	3.82962	5.71138
8 h after dark	4.107406666666666	3.74537	4.36914
12 h after dark	4.223156666666667	3.2431	4.92319