condition	mean	min	max
0 h after light	3.16996	2.72827	3.61165
4 h after light	2.82777	2.58134	3.0742
8 h after light	13.68965	13.5924	13.7869
4 h after dark	4.1713249999999995	4.01927	4.32338
8 h after dark	2.12133	1.82333	2.41933
12 h after dark	3.18359	2.47488	3.8923