jm eÖ÷äkÆÄÀ6z¦á@¤ %Z¦`õK#*°YLDifficulty adjustment should even that out. This was referring to a time when there was temporarily an unusually low hashrate.
https://whatsonchain.com/tx/dc52b1e25bd40763aa3bdf19f7853e23d48356645fe966b851855d4447350a0a