1st running 2.5 G - 17 = 1.070 Pre-Boil 7 G - 11.5 = 1.046 Post-Boil 13 = 1.053 5.5 G into fermenter @ 66 - Pinch rehydrated yeast 3/8 Temp 62-70 as house temp fluctuates 3/9 Temp 65 - Gravity 7.5 = 1.015 3/11 Temp 62 - Gravity 7 = 1.012 3/16 Kegged >5G - Gravity 7
Based on boiling 7.50 gallonsliters at 1.046 for 75 minutes, this will decrease your wort by 1.25 gallonsliters, bringing your after boil OG to 1.054. You wanted an OG of 1.053. It looks like it will be over.