condition	mean	min	max
0 h after light	10.315185	9.70927	10.9211
4 h after light	7.72447	7.72351	7.72543
8 h after light	7.838385	6.74503	8.93174
4 h after dark	10.8858	10.0773	11.6943
8 h after dark	12.0487	11.24	12.8574
12 h after dark	10.11505	9.5976	10.6325