So what are your thoughts chrono results

Sorry I do not have a printer but this is the just of things
Air Temp 60*
240bar fill jsb kings 25.39gr
33 regulated shots
Hi 909.3
Lo 894.2
Av 900.6
ES 15.1
SD 3.9

I had to use an online calculator for the SD of all shots and it is close to the individual shot strings that my crony calculated.

shots 19-27 were the best group:
Hi 907.7
Lo 900.3
Av 903.5
ES 7.43
Sd 2.64