We average ~ 9.9 million square km of Eurasian SCE added each October since 1966. You can go case by case and see how each October's weekly data started (week 40) & finished (week 44) below. 2021 was zzz... pic.twitter.com/BLdRv2pz94

— Anthony Masiello (@antmasiello) November 3, 2021