condition	mean	min	max
4 h after light	3.962085	3.48896	4.43521
8 h after light	2.649965	2.52509	2.77484
12 h after light	6.365	5.29692	7.43308
4 h after dark	10.26925	10.0563	10.4822
8 h after dark	9.83091	9.06332	10.5985
12 h after dark	7.115195	7.02435	7.20604