This winter began with uncompromising below-freezing temperatures. The average daily temperature had been below-freezing since November 25. Nightly lows gradually dropped to −7.5 and daytime highs to −4.6. A 3cm snow cover formed on December 3.
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Meanwhile, abnormally dry November has been replaced by wet December. According to the long-term forecast, 20% more precipitation will fall during the month. The amount is projected at about 60mm. About a third of this amount will fall in the first ten days of December.
In addition to moisture, Atlantic cyclones will bring warm air. The first winter thaw began on Tuesday. Precipitation will fall in the form of rain, mixed rain and snow, and wet snow.
December is expected to see about half of the thawing days.