condition	mean	min	max
4 h after light	5.66639	5.59647	5.78976
8 h after light	5.917576666666666	5.8	6.00521
12 h after light	5.90113	5.64061	6.159730000000001
4 h after dark	5.652993333333333	5.56345	5.72711
8 h after dark	5.639396666666666	5.54528	5.74334
12 h after dark	5.53559	5.207999999999999	5.72968