Abstract
The spatio-temporal variability of air temperature and humidity, atmospheric precipitation in the Volga Federal District in 1966-2018 is considered. As a result of statistical processing of data from 20 weather stations, a clear warming trend in recent decades and a weak increase in annual precipitation are revealed, except for the south-east of the region. The annual variation of water vapor pressure and relative humidity is considered, statistics of the distribution of "dry" and "wet" days by stations in different months are carried out. Correlations between individual circulation modes (AO, NAO, SCAND, EAWR) and air temperature are revealed. It is shown that positive relationships are closer in winter with the AO and NAO indices than in summer. A sufficiently high negative correlation is established with the SCAND index in winter (r = -0,7), and with the EAWR index in summer (the correlation coefficient reaches a value of -0,6).
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