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The rainy season in early summer over East Asia was divided into four stages by conconnection with Stages I-IV.

This paper deals with rainfall distribution.The maps showing rainfall distribution in each ten days in May, June, and July are presented in relation to Stages I-IV in the rainy season, classified in Part I of this study (Yoshino 1965). It is pointed out that the rainfall zone from China to Southwest Japan is prevailing through all Stages.The appearance of the rainfall maximum over East Asia is shown on a map, which reveals an apparent northward shifting of the season in genenral.The characteristics of this rainfall are discussed in comparison with the behaviour of the frontal zone. It is important to note that the relation between the northward shifting of the frontal zone and the appearance of the rainfall maximum or the position of the rainfall zone is different in China (on 120 E), Southwest Japan (on 130 E), and Eastern Japan (140 E). The rainfall distribution in Stage III, a typical period during the rainy season, is discussed in detail.

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