condition	mean	min	max
4 h after light	1.8297750000000002	1.49921	2.16034
8 h after light	3.0012100000000004	2.82412	3.1783
12 h after light	3.57858	3.18344	3.97372
4 h after dark	3.42673	3.12806	3.7254
8 h after dark	2.71535	2.45857	2.97213
12 h after dark	2.398795	2.39783	2.39976