condition	mean	min	max
4 h after light	1.88073	1.18152	2.57994
8 h after light	2.507085	2.35825	2.65592
12 h after light	2.034485	1.89829	2.17068
4 h after dark	4.458465	3.42441	5.49252
8 h after dark	3.651255	3.09651	4.206
12 h after dark	3.53248	3.50014	3.56482