condition	mean	min	max
4 h after light	8.146645	7.38246	8.91083
8 h after light	6.539835	6.42145	6.65822
12 h after light	9.95559	9.55028	10.3609
4 h after dark	10.69783	9.61886	11.7768
8 h after dark	14.34315	14.0315	14.6548
12 h after dark	10.9155	10.1035	11.7275