On the morning of February 23 in the Sheremetyevo area, the air temperature dropped to -20.8ºC. It was even colder in Domodedovo, -24.3ºC.
In the Moscow region, the warmest was in Kashira, -16.9ºC. In the rest of the territory the temperature everywhere remained below minus twenty degrees, and 111 miles east of Moscow in Cherusti, -30.5ºC was recorded.
Thanks to Martin Siebert for this link