condition	mean	min	max
4 h after light	2.7817350000000003	2.32012	3.24335
8 h after light	4.0007649999999995	3.68304	4.31849
12 h after light	5.304325	4.38902	6.21963
4 h after dark	4.241325	3.19861	5.28404
8 h after dark	2.758035	2.08133	3.43474
12 h after dark	3.3225499999999997	3.06824	3.57686