Mis labeled pistons?

Just finished disassembling my 440. Tops of pistons are all stamped .030 I pulled the measurements below. Are the pistons mis labeled?

Cylinder Piston
#1 4.336” 4.326”
#2 4.329” N/a still installed
#3 4.336” 4.322”
#4 4.333” 4.321”
#5 4.335” 4.321”
#6 4.339” 4.324”
#7 4.335” 4.324”
#8 4.335” 4.322”