condition	mean	min	max
0 h after light	9.87497	9.51114	10.2388
4 h after light	5.27876	4.77215	5.78537
8 h after light	5.73798	5.30601	6.16995
4 h after dark	10.034175	7.86185	12.2065
8 h after dark	9.80948	8.52556	11.0934
12 h after dark	8.61338	7.00166	10.2251