Below are an aproximate standard numbers base on :

5 iron 38" to shaft cut, D1-2 sw (3-9 ), D2-3 PW, D5 sw (35.25") and D6 lw (35."), 51gr grip, standard lie and loft, w/ DGS300 taper tip. No extreme set up!

3 244gr
4 250.5gr
5 257gr
6 263.5gr
7 270gr
8 276.5gr
9 283gr
P 292.5gr
S 304.5gr
L 308gr

You can calculate from here what is the different and what you are trying to achive. Again, This numbers should be pretty close if all measurement are on the spot.

Good Luck!

Joe