condition	mean	min	max
4 h after light	9.740435	7.94837	11.5325
8 h after light	6.62196	6.32458	6.91934
12 h after light	9.60106	8.34572	10.8564
4 h after dark	8.60063	7.73922	9.46204
8 h after dark	9.893805	9.48021	10.3074
12 h after dark	11.4555	11.1983	11.7127