mashed in first rest at 154 for 40 mins. Temp dropped to 151. Heated mash to 160 for second rest at 159 for 20 mins. Dry hop 10/16
Based on boiling 6.70 gallonsliters at 1.059 for 30 minutes, this will decrease your wort by 0.50 gallonsliters, bringing your after boil OG to 1.063. You wanted an OG of 1.064. It looks like it will be under.