condition	mean	min	max
4 h after light	6.178275	5.30492	7.05163
8 h after light	6.606434999999999	6.16132	7.05155
12 h after light	8.279495	7.98515	8.57384
4 h after dark	11.710435	9.94767	13.4732
8 h after dark	8.26524	7.80111	8.72937
12 h after dark	8.363365	7.35508	9.37165