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Monthly review December 2021

The month of December was compared to the reference period 1961-1990 at the weather station
Dresden-Klotzsche is 1.4 degrees too warm. With a monthly average of 2.4 °C, he belonged
thus among the more average December months since 1961. It has been in the ranking since
21st place in 1961.

45 hours of sunshine were recorded, a value roughly in line with the long-term figure
average (compared to the official reference period 1961-1990).
The sum of all individual measurements of precipitation reached ours in December
Measuring point in Coswig 42.9 mm (a minus of 7.4 mm). This corresponded to the monthly total
85% of normal for that month. We registered thus with regard to the total
the amount of precipitation that has fallen means that December is too dry. The annual balance fell thanks
the wet summer months of July and August was slightly positive at 106%. In order to
the months of April, September and October, which were clearly too dry, were summed up

weather characteristics:
The characterization of the weather in the 3 decades of December can roughly be divided into
be done in the following way:
In the first decade, a long-wave trough that regenerated itself again and again prevailed
Central Europe with cool air the weather in Saxony. Then on the 10th
form a thin layer of snow (Dresden-Klotzsche 3 cm).

The 2nd decade was mainly characterized by an over southern Central Europe
lying high pressure area, with mild air masses predominating.

In the 3rd decade, there was a brief slump during the Christmas holidays
dry cold air. When it cleared up at night, the temperatures could therefore go far
sink (Fig.1). An exceptionally mild one followed in the final days of 2021
Episode due to the influx of subtropical air originating at the Canary Islands
would have. On 12/31 the highest temperatures in Garsebach were 16.1 °C (Fig. 1) and in
Dresden at 15.1 °C. It wasn't that mild throughout December and November. The night
to 31.12. was so mild in Garsebach with a low of 12.2 °C that they too
easily passed for a cool summer night. This is also significant because
shortly before that, on the night of Boxing Day, it was very low at – 15.5 °C
minimum temperatures were measured.


Fig.1: Temperature curve in December 2021 at the DWD station in Garsebach near Meissen

Author: Wilfried Küchler

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