This further builds on a 2.7 per cent increase at the previous auction and saw the product inch closer the US$4000/MT mark seen earlier this year.
Skim milk powder - Fonterra's second biggest reference product - calmed somewhat, following a 6.6 per cent spike in the previous event, to record a 1.4 per cent lift to an average US$3626/MT.
Cheddar, which hiked a remarkable 14.1 per cent in the last auction, also recorded a more steady climb this time - up 2.2 per cent to an average US$5162/MT.
Butter experienced another healthy lift - increasing 3.5 per cent to an average US$5534/MT.
Meanwhile lactose rose 1.6 per cent to an average US$1299/MT, but with very little product traded; and anhydrous milk fat added another 1.3 per cent to its balance with an average US$6472/MT.
Butter milk powder and sweet whey powder were not offered at this event.
On May 26, Fonterra announced an opening forecast Farmgate Milk Price range for the 2021/22 season of NZD $7.25 - $8.75 per kgMS, with a midpoint of $8 per kgMS.
Last month, the co-op increased and narrowed this to NZD $7.90 - $8.90 per kgMS, with a midpoint of $8.40 per kgMS.