Strike temp was 175 because it was 41 degrees outside. Most times I need 170 to get right.
Based on boiling 6.70 gallonsliters at 1.074 for 70 minutes, this will decrease your wort by 1.17 gallonsliters, bringing your after boil OG to 1.087. You wanted an OG of 1.118. It looks like it will be under.