Latest stats:

Connor:  4'2" and 59.5#
Craig: 3'0" and 29#
Cara: 30 1/2 inches and 22#

Craig is in the 20th percentile for height and under 10% for weight.
Cara is in the 90th percentile for weight and over 100% for height and head size.

They are 27 months apart and only 7# between them.  Cara's growth is faster/bigger than Connor at the same age.  Connor never went over 100%.