Hi Pinkunicorn,
Thanks for that answer. That makes complete sense for anyone adding FP's after they have posted their log, but I would need to clarify what you mean by "after". If you mean that they go back some days/weeks later then I agree, but if you mean that they log their find, and then go back say within the hour and add a FP then should that make such a difference?
For the FP's I'm talking about, they are given at the time of posting as I can see them show up immediately on my Geocaching.com 'Hides' page. I am monitoring it closely at the moment as I'm eager to attain another Gemstone at 150 FP's, and I'm currently (as of right now) on 149 having been awarded another one yesterday. I'm hoping that my PGC stats will mirror that at my next refresh, but often it won't show any new FP's until 48 to 72 hours later.