condition	mean	min	max
4 h after light	3.180845	2.24519	4.1165
8 h after light	1.44219	1.272	1.61238
12 h after light	2.004945	1.82487	2.18502
4 h after dark	2.8921900000000003	2.20053	3.58385
8 h after dark	2.81797	2.67023	2.96571
12 h after dark	3.89647	3.69911	4.09383