Lightweight

At her 4 month appointment earlier this week, Harper weighed in at 13 lbs 6.5 oz and measured 24 3/4 inches long.
She falls at roughly the 55th percentile for her height and 32nd percentile for weight.

~dramatic pause~

Yeah, that's pretty small in our family.  I've never had a child fall below the 85th percentile for anything:  height, weight, head size.
Looks like we've found our point guard! :)