condition	mean	min	max
4 h after light	1.89803	1.52658	2.26948
8 h after light	2.17002	1.98276	2.35728
12 h after light	1.586225	1.50977	1.66268
4 h after dark	2.52645	2.14244	3.16329
8 h after dark	2.5560133333333335	2.11859	2.90148
12 h after dark	2.20654	1.8869	2.36648