condition	mean	min	max
0 h after light	3.528175	3.36892	3.68743
4 h after light	3.221295	3.13704	3.30555
8 h after light	2.541695	2.09858	2.98481
4 h after dark	4.20479	3.87542	4.53416
8 h after dark	4.04296	3.68664	4.39928
12 h after dark	3.356875	3.23979	3.47396