condition	mean	min	max
4 h after light	13.147688500000001	12.43557	13.859807
8 h after light	12.4276455	11.533517	13.321774
12 h after light	13.7280505	12.43557	15.020531
4 h after dark	10.0381225	9.998339	10.077906
8 h after dark	11.515397	10.595224	12.43557
12 h after dark	15.341971	15.341971	15.341971