With a run-up to around February I will not be surprised if the hash rate is close to 1.5-1.7 EH/s, yes Exahash.
Ufo
well we had a 215 block day it is impressive and there is more time left. for more blocks.
but we are not going to go from 700ph to 1700ph in the next 60 days or so.
before newest gear came out in sept. we were at 430ph so we have yet to match that 430 ph with the new gear.
I have to say
https://blockchain.info/blocks387770 (Main Chain) 2015-12-10 22:30:10
387566 (Main Chain) 2015-12-10 00:14:24
215 blocks with 90 minutes left = amazing