Sept 20 1.020 Sept 22 1.014 Sept 26 1.010 - racked to secondary
Based on boiling 10.40 gallonsliters at 1.035 for 60 minutes, this will decrease your wort by 1.00 gallonsliters, bringing your after boil OG to 1.038. You wanted an OG of 1.058. It looks like it will be under.