condition	mean	min	max
4 h after light	1.875295	1.39266	2.35793
8 h after light	1.4133	1.36456	1.46204
12 h after light	0.831562	0.663185	0.999939
4 h after dark	2.58466	1.57623	3.59309
8 h after dark	2.108345	1.92945	2.28724
12 h after dark	1.71072	1.48522	1.93622