condition	mean	min	max
4 h after light	2.18535	2.01745	2.35325
8 h after light	1.968895	1.9066	2.03119
12 h after light	2.29691	2.00065	2.59317
4 h after dark	3.585125	3.21435	3.9559
8 h after dark	2.1351899999999997	2.0219	2.24848
12 h after dark	2.880565	2.86288	2.89825