The Block's shows that the daily mining revenue per TH/s has climbed up to $0.27 (the same level when  was $45K mid-May) in early July.  difficulty recorded its largest ever drop by nearly 28% on July 3.
Source: @TheBlock__ https://t.co/Z1clJGKaXG
 https://t.co/yCPdFwuTY4