I've been logging all my session results for a long time but never really attempted to track EV generated so I can compare it to actual long-term results. Now I'm tracking the length of each session and *anticipated* EV per hour (taken from CVCX). Question is, EV/hr varies a lot with conditions encountered in the field (rounds per hour, heat, and penetration mostly). If I find better or worse conditions than anticipated, should i attempt to account for the differing EV in my tracking spreadsheet or just log the EV I estimated up front?