Sikhote Alin separates Primorye into western and eastern districts, substantially differing in climate. In the western districts, the climate is more continental, with cold winter and hot summer. In the eastern districts, the winter is warmer, and summer foggy. Primorye is considerably extended (for over 900 km) from the northwest to the southeast and this causes the difference in amount of evaporation and other climatic factors. The sum total of average temperatures for the period of active vegetation of most farming crops, the period with mean daily temperatures exceeding 10oC, is applied most frequently to characterize PrimoryeТs heat resources.
     In Primorye, the average duration of the period between dates of stable air temperature (+10oC) varies from 114 to 159 days, and the sum totals of temperatures during that period from 1800o in the northern, coastal and mountain areas to 2650o within the bounds of Hanka valley, i.e. exactly the same as in the south of Ukraine and in Kuban region. The abundance of moisture in summer, and the high sum totals of active temperatures, are conducive to ripening in Primorye not only of cultures generally common to Russia, but also of rice, soybeans, grapes and other heat-loving crops.
     PrimoryeТs climate is favorable for developing various branches of the economy, resorts, sanatoriums, tourism and sports. Unfavorable aspects involve abundant torrential rains, when 30 percent of annual precipitation may fall out, and also dry winds in the Hanka lowland.

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