March 5, 2018. Difficulty rose by +9.42% to 3.29T from 3.01T.
Change
+9.42%
New difficulty
3.29T
Period length
12.8 days
Network hashrate then (7-day)
23.6 EH/s
Bitcoin price then
$11,517
Hashprice then
$811/PH/day
The 2,016 blocks before it took 12.8 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 9.42%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.