6.51 to 6.75 %
The top one at present will be interesting to see if it rises more (tssk one round off now its moving

)
Bitcoin Difficulty: 60,813,224,039
Estimated Next Difficulty: 64,275,151,463 (+5.69%)
Adjust time: After 1457 Blocks, About 9.7 days
by the looks of it .. its bitfury!.. they are currently with 20 % of the blocks for the day. Makes sense since they have there 16nm under there belts. ugh. looks like my guess was a bit conservative
well if this keeps up maybe it wasnt variance after all.. May have to revive the 100 peta thread