Her wt is absolutely normal. Regarding Head circumference, its coming at 3rd percentile on the standard NCHS growth curve, which is on the lower side, However, more important is what are the values in preceding months, to know if its gaining or not. Also, for proper assessment she needs to be examined by a pediatrician.
Next Steps
To consult the local pediatrician for full assessment.
To provide previous growth records, if available.
To follow the growth trends in future regularly.