condition	mean	min	max
4 h after light	2.09327	1.7034	2.48314
8 h after light	1.8464299999999998	1.41753	2.27533
12 h after light	2.239345	2.20212	2.27657
4 h after dark	2.2323966666666664	1.58592	2.61054
8 h after dark	3.4535799999999997	2.76557	4.50944
12 h after dark	2.65399	2.12796	3.09692