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Based on the data of long-term instrumental observations of surface atmospheric pressure, the average long-term indicators (norms) and linear trends for the 1950-2021 period were calculated. Maps of the distribution of atmospheric pressure anomalies for each month and seasons were constructed. Linear trends of atmospheric pressure anomalies were calculated for the whole territory of Russia as well as for individual physical and geographical regions, such as the European part of Russia, Western Siberia and the Far East. For the European region, the Far East and the territory of Russia as a whole, a positive linear trend for surface atmospheric pressure was established. For Western Siberia this trend was found to be negative. Significant deviations of real atmospheric pressure from the calculated norm for 1950- 2019 were established for the entire territory of Russia in 1968, 1978, 1996, 2001, 2006, 2014, 2016 and 2020.
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