The confirmation came the same day a comprehensive new study was released suggesting that present-day global temperatures are the warmest they have been in at least 12,000 years, and possibly far longer. The study used a variety of geological clues and statistical analysis methods to reconstruct ancient temperature estimates.

In a press conference Tuesday, the head of science at Russia’s Hydrometeorological Centre confirmed that the town of Verkhoyansk did indeed reach 100.4° F on June 20th. The official confirmation was requested by the World Meteorological Organization.

Writing on Twitter, the Russian state weather authority said: “In Verkhoyansk from June…