condition	mean	min	max
4 h after light	3.8888149999999997	3.53332	4.24431
8 h after light	1.76673	1.63924	1.89422
12 h after light	2.361685	1.98283	2.74054
4 h after dark	8.241825	8.02602	8.45763
8 h after dark	7.990095	7.32701	8.65318
12 h after dark	5.1248249999999995	5.00335	5.2463