condition	mean	min	max
4 h after light	2.183125	1.97257	2.39368
8 h after light	3.7135	3.71263	3.71437
12 h after light	4.604025	4.02931	5.17874
4 h after dark	7.9695599999999995	6.35985	9.57927
8 h after dark	3.8882649999999996	3.65162	4.12491
12 h after dark	2.82057	2.6775	2.96364